SleekFlow
Shared inbox and AI agents for WhatsApp, social chats, SMS and email
SleekFlow report card
Fair · out of 4.0 · graded Oct 18, 2026
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.
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 SleekFlow 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
Why SleekFlow gets a 2.2
Five grades, each with its reason. The GPA is their average: an A is 4 points, an F is none.
- DValue for moneyBroadcasts 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.
- CFree plan and trialNo 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.
- BFeaturesThe 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.
- CEase of useNo 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.
- BPlatforms and integrationsWeb, 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.
What these grades rest on. 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. How we review and grade.
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<a href="https://toolgpa.com/tools/sleekflow#review"><img src="https://toolgpa.com/badge/sleekflow.svg" alt="SleekFlow: 2.2 GPA on ToolGPA" width="196" height="56"></a>Where SleekFlow stands among 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.
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, level with 2
- CFree plan and trialAbove 1 of 14, level with 13
- BFeaturesAbove 9 of 14, level with 5
- CEase of useAbove 0 of 14, level with 12
- BPlatforms and integrationsAbove 1 of 14, level with 13
Price against what you get
Each dot is one of 14 SMS and chat marketing tools. Further left costs less, and higher up scores better on features, ease of use and platforms. Point at a dot to see which tool it is.
Features, ease of use and platforms, averaged
What paid plans start at, a month (each step along is roughly double) →
- The best score at each price
- Has a free plan
- No free plan
Keep SleekFlow, or make your own?
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.
What is SleekFlow?
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.
SleekFlow is a paid product with a free trial, starting at $49 per month for up to 3 seats, billed annually ($69 billed monthly). See every plan
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.
Key features
- 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.
SleekFlow pricing
- Starts at
- $49 per month for up to 3 seats, billed annually ($69 billed monthly)
- Free plan
- None
- Free trial
- 7-day free trial of Pro with 500 monthly active contacts, no credit card required
| Plan | Price | What you get |
|---|---|---|
| Essential | $49per 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 | $109per 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 | $279per 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. |
Read from sleekflow.io on Oct 18, 2026. Prices change, so confirm with SleekFlow before you buy.
Ways to pay less
- Annual discountSave 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
Works with
SleekFlow alternatives
- SleekFlow vs respond.io
Free trial · from $79/mo
- SleekFlow vs Wati
Free trial · from $59/mo
- SleekFlow vs Gallabox
Free trial · from $112/mo
- SleekFlow vs AiSensy
Free plan · from $40.50/mo
- SleekFlow vs Trengo
Free trial · from €299/mo
Common questions
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). Pro: $109 per month for up to 500 contacts, billed annually ($139 monthly). Premium: $279 per month for up to 1,000 contacts, billed annually ($349 monthly). Enterprise: custom pricing. Prices were read from sleekflow.io on Oct 18, 2026.
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. A listing names up to eight integrations, so it may connect to more.
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. Each one has a side-by-side comparison with SleekFlow.
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. It stands best on features (B, above 9 of 14) and worst on value for money (D, above 0).
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. 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.
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. 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 make: 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. This is a judgement from its listing. We have not built one.
Sources for this page
The prices, plans, platforms and features above were read from these pages on Oct 18, 2026.