The SleekFlow Insider’s Guide
Everything we know about SleekFlow in one document: what it costs, its grades, getting a refund, getting help and what else to look at. Read it here, or keep a copy.
SleekFlow
The Insider’s Guide
Shared inbox and AI agents for WhatsApp, social chats, SMS and email
Every plan, grade, refund rule and rival among SMS and chat marketing tools, read from SleekFlow’s own pages.
Made by SleekFlow Technologies Limited · checked Oct 18, 2026 · toolgpa.com
Contents
- 01WelcomeWhat it is, who it suits, its grades and the ten things to know first
- 02What it costsEvery plan, the free plan, ways to pay less and how prices have moved
- 03What it doesIts main features, where it runs, what it works with and who makes it
- 04Where it standsIts grades against its category, and whether to keep it or make your own
- 05The alternativesThe tools it is most often weighed against, side by side
- 06Quick answersThe questions people ask about it, each answered in a line or two
- 07About ToolGPAWho made this guide, what else is on the site, and how to cite it
ToolGPA put this guide together from SleekFlow’s own pages, its app-store listings and our grades. Every fact in it is on SleekFlow’s page too, where it is kept up to date. Checked Oct 18, 2026.
Part 01 · Overview
Welcome
What it is, who it suits, its grades and the ten things to know first
2.2
GPA, above 2 of the 14 other SMS and chat marketing tools we grade
SleekFlow is a messaging platform that brings WhatsApp, Instagram, Messenger, TikTok, SMS, Telegram, Viber, email and VoIP calls into one shared inbox tied to contact records. It adds AI agents that answer from your knowledge base, broadcast campaigns and a no-code flow builder. Most plans are priced by monthly active contacts, the customers you actually message in a month.
To get you started, here are 9 things to know about SleekFlow, taken from its own pages and our grades.
Each channel needs connecting, then there are flows and AI agents to build, and an active-contact count to watch.
- 1
Best for one inbox for WhatsApp, social, SMS and email
SleekFlow puts WhatsApp, Instagram, Messenger, TikTok, SMS, Telegram, Viber, email and calls in one shared inbox, with AI agents, broadcasts and a flow builder.
- 2
Paid plans start at $49 a month
As its pricing page puts it: $49 per month for up to 3 seats, billed annually ($69 billed monthly).
- 3
You can try it first
7-day free trial of Pro with 500 monthly active contacts, no credit card required
- 4
It runs on 3 platforms
Web, iOS and Android.
- 5
One inbox for chats, email and calls
WhatsApp, Instagram, Messenger, TikTok, SMS, Telegram, Viber, Gmail and Outlook email and VoIP calls in one inbox, on the web and in the mobile app.
- 6
AI agents
From Pro, AI agents answer from your knowledge base and hand over to a person. On Premium they can act in other systems, such as updating orders or bookings.
- 7
Broadcast campaigns
Bulk messages to segments from Pro, sent from the web or the app. Message fees are charged separately by template, country and volume.
- 8
A 2.2 GPA, above 2 of 14
That is against the other SMS and chat marketing tools we grade, on value, the free plan, features, ease of use and platforms.
- 9
Keep it
To replace SleekFlow you would be making the WhatsApp Business API, which Meta opens only through approved partners. That is not a weekend's work, with an AI app builder or without one.
SleekFlow at a glance
- Pricing
- Free trial, from $49 per month for up to 3 seats, billed annually ($69 billed monthly)
- Free plan
- No
- Free trial
- 7-day free trial of Pro with 500 monthly active contacts, no credit card required
- Runs on
- Web, iOS, Android
- Made by
- SleekFlow Technologies Limited, since 2019
- Category
- SMS & Chat Marketing
- Our grade
- 2.2 GPA, fair
The report card
Best for one inbox for WhatsApp, social, SMS and email
SleekFlow puts WhatsApp, Instagram, Messenger, TikTok, SMS, Telegram, Viber, email and calls in one shared inbox, with AI agents, broadcasts and a flow builder. Few tools here cover as many channels. The catch is the price: broadcasts start on Pro at $109 a month billed yearly for 500 active contacts, and the bill grows with every 100 more.
| Subject | Grade | Comment |
|---|---|---|
| Value for money | D | Broadcasts start on Pro at $109 a month billed yearly for 500 active contacts, and each extra 100 is $20, so messaging 1,000 customers a month comes to $209. That's near the dear end even against its WhatsApp rivals, and the $15 WhatsApp number fee and message charges come on top. |
| Free plan and trial | C | No free plan, but a 7-day free trial of Pro with 500 monthly active contacts and no credit card. Short, but enough to plug in a channel and look around. |
| Features | B | The whole job across more channels than anything else here: WhatsApp, Instagram, Messenger, TikTok, SMS, Telegram, Viber, email and calls, plus AI agents, broadcasts, a flow builder and contact records with lifecycle stages. |
| Ease of use | C | No App Store rating on record. Each channel needs connecting, then there are flows and AI agents to build, and an active-contact count to watch. |
| Platforms and integrations | B | Web, iPhone and Android, with Shopify, Zapier, Make and API access from Pro, and Stripe payment links. HubSpot and Zoho start on Premium and Salesforce on Enterprise, and there's no desktop app, which an A needs. |
An A is worth 4 points, a B 3, a C 2, a D 1 and an F nothing. The GPA is the average of the five.
Who SleekFlow is for
- Great if your customers are split across WhatsApp, Instagram, SMS and email
- Handy when you want AI agents to answer the easy questions before a person steps in
- Good for retail and service businesses in Asia and Latin America that sell over WhatsApp
Who it is not for
- Pricey if your list is big, as every 100 active contacts past the plan costs $20
- Not for you if you want broadcasts on the cheapest plan, as they start on Pro
- Skip it if you need HubSpot on a budget, as it starts on Premium at $279 a month
Good to know
Good for
- Retail and service businesses in Asia and Latin America that sell over WhatsApp
- Teams answering WhatsApp, Instagram and email from one inbox
- Companies that want AI agents to qualify leads before a person steps in
Worth knowing
- WhatsApp numbers cost $15 a month to host and SMS or VoIP numbers $1, and messages and calls are billed per SleekFlow's rate card on top of the plan.
- Past the plan's allowance, 100 more active contacts are added at $20 each time; extra seats cost $15 on Essential, $25 on Pro and Premium and $29 on Enterprise.
- HubSpot, Zoho, webhooks and role-based access start at Premium; Salesforce is Enterprise only.
- Human chat support in office hours starts at Premium; other plans get AI chat support and email.
Part 02 · Pricing
What it costs
Every plan, the free plan, ways to pay less and how prices have moved
$49
A month to start
SleekFlow is a paid product with a free trial, starting at $49 per month for up to 3 seats, billed annually ($69 billed monthly).
Short, but enough to plug in a channel and look around.
Essential
$49
per month for up to 3 seats, billed annually ($69 billed monthly)
Shared inbox with 5 channels, unlimited active contacts, AI co-pilot and simple automations. Rolling out by country and booked through a demo.
Pro
$109
per month for up to 500 contacts, billed annually ($139 monthly)
10 users, AI agents, broadcasts, the flow builder, Shopify, Zapier and Make, and API access. Counts monthly active contacts; each extra 100 costs $20.
Premium
$279
per month for up to 1,000 contacts, billed annually ($349 monthly)
10 users. Adds HubSpot and Zoho, webhooks, role-based access, multiple workspaces, deeper analytics and 60-day onboarding. Extra contacts $20 per 100.
Enterprise
Custom
Custom contacts and seats, Salesforce, PII masking, chat export, SLAs and a customer success manager.
Trying it first
7-day free trial of Pro with 500 monthly active contacts, no credit card required
Read from sleekflow.io on Oct 18, 2026.
Ways to pay less
Annual discount
Save up to 20% with yearly billing
SleekFlow's pricing page says yearly billing saves up to 20%: Essential is $588 a year against $828 billed monthly, Pro $1,308 against $1,668.
Stated on sleekflow.io
Part 03 · Features
What it does
Its main features, where it runs, what it works with and who makes it
3
Places it runs: Web, iOS and Android
Shared inbox and AI agents for WhatsApp, social chats, SMS and email. Here is what it does, as its own site describes it, and what it covers: public API, shared inbox, marketing automation, AI support agent, whatsApp messaging.
Web, iPhone and Android, with Shopify, Zapier, Make and API access from Pro, and Stripe payment links.
- One inbox for chats, email and calls
- WhatsApp, Instagram, Messenger, TikTok, SMS, Telegram, Viber, Gmail and Outlook email and VoIP calls in one inbox, on the web and in the mobile app.
- AI agents
- From Pro, AI agents answer from your knowledge base and hand over to a person. On Premium they can act in other systems, such as updating orders or bookings.
- Broadcast campaigns
- Bulk messages to segments from Pro, sent from the web or the app. Message fees are charged separately by template, country and volume.
- Flow Builder
- No-code automations from Pro, with a cap on active flows that rises by plan; Premium adds HTTP request and webhook steps.
- Contacts and lifecycle stages
- Each conversation links to a contact record with lifecycle stage, owner and purchase history, shown on a kanban board, with custom objects on every plan.
- Sales tools
- WhatsApp catalog, Stripe payment links and Shopify, with Facebook Lead Ads and TikTok Instant Forms for capturing leads from ads.
Where it runs
- Web
- iOS
- Android
What it works with
- Shopify
- HubSpot
- Salesforce
- Zoho CRM
- Google Sheets
- Zapier
- Make
- Stripe
SleekFlow is made by SleekFlow Technologies Limited, and has been around since 2019.
Part 04 · Standing
Where it stands
Its grades against its category, and whether to keep it or make your own
2/14
Other SMS and chat marketing tools it is graded above
SleekFlow's GPA of 2.2 is higher than 2 of the 14 other SMS and chat marketing tools we grade, and level with 6.
It stands best on features (B, above 9 of 14) and worst on value for money (D, above 0).
Its paid plans start at $49 a month, against a middle price of $26.59 for the category: 10 of the 13 others that charge start lower.
On features, ease of use and platforms it scores 2.7 out of 4. Nothing scores higher for less, though at least one tool matches that score at a lower price.
Each grade against the category
Every bar is all 15 SMS and chat marketing tools we grade, cut by the letter each got. SleekFlow’s own letter is outlined.
- DValue for moneyAbove 0 of 14
- CFree plan and trialAbove 1 of 14
- BFeaturesAbove 9 of 14
- CEase of useAbove 0 of 14
- BPlatforms and integrationsAbove 1 of 14
Price against what you get
Each dot is one of 14 SMS and chat marketing tools. Further left costs less; higher up scores better on features, ease of use and platforms. SleekFlow is the marked dot.
What paid plans start at, a month (each step along is roughly double) →
Keep it, or make your own?
Whether this is something you could build for yourself with an AI app builder, and what you would give up.
Keep it
To replace SleekFlow you would be making the WhatsApp Business API, which Meta opens only through approved partners. That is not a weekend's work, with an AI app builder or without one.
That makes this kind of software worth paying for, not this one in particular: 6 of the 14 other SMS and chat marketing tools grade higher. It costs $588 a year.
What you could not
- The WhatsApp Business API, which Meta opens only through approved partners.
- One mailbox that several people work at once.
- An AI model answering your customers from your own help articles.
- Email sent in volume that still reaches the inbox.
- A real app for iOS and Android. Something home-made would be a web page.
- It plugs into other products, Shopify, HubSpot and Salesforce among them, and has an API.
- The depth: we grade its features B, which means it covers the whole job.
What this rests on. SleekFlow’s listing: what it does, where it runs, what it plugs into and what it costs. It is a judgement about the kind of software this is. We have not built a replacement for it, and making your own means looking after it too. How we decide, and every tool’s verdict.
Part 05 · Alternatives
The alternatives
The tools it is most often weighed against, side by side
respond.io, Wati, Gallabox, AiSensy and Trengo
The 5 tools SleekFlow is most often weighed against, with where each one differs from it.
- 2.6GPA
respond.io
Free trial · from $79/mo
Team inbox for WhatsApp, social chats, email and calls with AI agents.
- SleekFlow also covers marketing automation and whatsApp messaging.
- respond.io also covers workflow automation and live chat.
- 2.4GPA
Wati
Free trial · from $59/mo
WhatsApp Business API inbox with broadcasts, chatbots and ad flows.
- SleekFlow also covers AI support agent.
- Wati also covers chatbots.
- 2.2GPA
Gallabox
Free trial · from $112/mo
WhatsApp, Instagram and web chat with AI agents for lead follow-up.
- Gallabox also covers chatbots.
- 2.4GPA
AiSensy
Free plan · from $40.50/mo
WhatsApp API for broadcasts, retargeting and click-to-WhatsApp ads.
- AiSensy has a free plan. SleekFlow does not, though it has a free trial.
- SleekFlow also covers AI support agent.
- AiSensy also covers chatbots.
- 2.2GPA
Trengo
Free trial · from €299/mo
Shared inbox for WhatsApp, email and chat with AI agents, in euros.
- Only SleekFlow lists iOS and Android apps.
- SleekFlow also covers marketing automation and whatsApp messaging.
- Trengo also covers live chat and help center.
Part 06 · Questions
Quick answers
The questions people ask about it, each answered in a line or two
14
Questions, each answered in a line or two
The short version of everything above, for when you only need the answer. Each one is told in full in its part of the guide.
Is SleekFlow free?
No, SleekFlow is a paid product, but you can try it first. 7-day free trial of Pro with 500 monthly active contacts, no credit card required.
How much does SleekFlow cost?
SleekFlow lists 4 plans. Essential: $49 per month for up to 3 seats, billed annually ($69 billed monthly).
What platforms does SleekFlow work on?
SleekFlow is available on Web, iOS and Android.
Does SleekFlow offer any discounts?
SleekFlow publicly lists the following: Save up to 20% with yearly billing.
Does SleekFlow have a Windows app?
No Windows app was listed when its pages were read on Oct 18, 2026. SleekFlow is listed for Web, iOS and Android.
Does SleekFlow have a macOS app?
No macOS app was listed when its pages were read on Oct 18, 2026. SleekFlow is listed for Web, iOS and Android.
Is SleekFlow open source?
SleekFlow is not described as open source on its own site, as read on Oct 18, 2026.
Does SleekFlow have an API?
Yes. SleekFlow offers a public API, according to its own site.
What does SleekFlow integrate with?
SleekFlow's listing names Shopify, HubSpot, Salesforce, Zoho CRM, Google Sheets, Zapier, Make and Stripe.
Who makes SleekFlow?
SleekFlow is made by SleekFlow Technologies Limited. It dates from 2019.
What are the alternatives to SleekFlow?
The closest alternatives to SleekFlow in our directory are respond.io, Wati, Gallabox, AiSensy and Trengo.
How does SleekFlow compare with other SMS and chat marketing tools?
SleekFlow's GPA of 2.2 is higher than 2 of the 14 other SMS and chat marketing tools we grade, and level with 6.
Is SleekFlow good value for money?
ToolGPA grades SleekFlow D for value for money. Its paid plans start at $49 a month, against a middle price of $26.59 for the category: 10 of the 13 others that charge start lower.
Could I make my own version of SleekFlow?
To replace SleekFlow you would be making the WhatsApp Business API, which Meta opens only through approved partners.
Where this guide comes from
The prices, plans, platforms and features were read from SleekFlow’s own pages on Oct 18, 2026, and the grades were given on Oct 18, 2026. Graded from this listing, whose facts were read from SleekFlow's own pages on 18 October 2026. Not based on using the product, and shorter than our full reviews.
Every tool we list gets five grades, A to F, each with its reason, and a GPA that averages them. How each is decided is at toolgpa.com/grades. This guide is ToolGPA’s own work; it is not made, paid for or approved by SleekFlow Technologies Limited. Prices change, so check sleekflow.io before you buy.
Part 07 · About
About ToolGPA
Who made this guide, what else is on the site, and how to cite it
2,281
Tools graded, in 73 categories
ToolGPA grades software the way a school report grades a pupil: five subjects, a letter for each with the reason written beside it, and a GPA that averages them. Prices, plans and platforms are read from each maker’s own pages and dated, so you always know how fresh a figure is.
ToolGPA is free to read. It may earn a commission from affiliate links and it works with sponsors, but anything paid for is labelled and no one can pay for a grade. Every tool on the site has a guide like this one, free to download and pass on. It all lives at toolgpa.com.
2,281
tools graded
73
categories
426
price changes on record
579
apps priced in 12 countries
What else is on toolgpa.com
- SleekFlow, kept up to dateEverything in this guide, with prices and grades as they are todaytoolgpa.com/tools/sleekflow
- How grades are givenThe rules behind every letter and every GPAtoolgpa.com/grades
- Value chartsWhat each tool costs against what it scores, for every categorytoolgpa.com/charts
- CompareAny two tools side by side, plan by plantoolgpa.com/compare
- Price changesEvery price rise and cut on record, each with its sourcetoolgpa.com/price-changes
- Prices by countryWhat apps cost on the App Store in 12 countriestoolgpa.com/prices-by-country
- Pay lessEvery public discount: yearly billing, students, nonprofitstoolgpa.com/save
- Keep or makeWhich tools are worth paying for, and which you could build yourselftoolgpa.com/keep-or-make
Scan for the live page
Prices and grades as they are today
Quoting this guide?
Please name ToolGPA and link to the live page, so readers can check the figures for themselves:
ToolGPA, "SleekFlow: The Insider's Guide", checked Oct 18, 2026. https://toolgpa.com/tools/sleekflow
Know someone choosing between SMS and chat marketing tools?
Send them this guide: toolgpa.com/tools/sleekflow/guide
ToolGPA elsewhere: youtube.com/@toolgpa
See our other guides
The best-graded SMS and chat marketing tools after SleekFlow, each with an Insider's Guide of its own.
- SMS & Chat Marketing Insider's GuideEvery one of the 15 SMS and chat marketing tools we grade, compared
- Chatfuel Insider's GuideAI chatbots for WhatsApp, Instagram and Facebook with a usage wallet2.6 GPA
- Interakt Insider's GuideWhatsApp and Instagram marketing, inbox and chatbots for Indian brands2.6 GPA
- AiSensy Insider's GuideWhatsApp API for broadcasts, retargeting and click-to-WhatsApp ads2.4 GPA
Choosing software? Every tool graded, every price dated.
Compare tools at toolgpa.com ›Everything in this guide is ToolGPA’s own summary of what SleekFlow’s pages, its app-store listings and public reviews said on the dates shown. Grades are our judgement under the rules at toolgpa.com/grades. ToolGPA uses affiliate links and may earn a commission from them, and it works with sponsors; anything paid for is labelled, and no one can pay for a grade. SleekFlow is a trademark of its owner, and this guide is not made, paid for or approved by SleekFlow Technologies Limited. Prices and plans change: check sleekflow.io before you buy.