Warmup Inbox vs Warmy
We give Warmup Inbox and Warmy the same GPA: 2.4 out of 4.0. Warmup Inbox grades higher on value for money. Warmy grades higher on features. They get the same grade on the free plan, ease of use and platforms.
Price, platforms and features side by side. The table says where each price was read and when.
Warmup Inbox
Email warm-up through a network of real inboxes, priced per inbox
Warmy
Email warm-up with seed testing, verification and DMARC monitoring
How we grade them
| 2.4GPAWarmup InboxFair | 2.4GPAWarmyFair | |
|---|---|---|
| Value for money | BBasic is $15 an inbox a month billed yearly ($19 monthly), and the price per inbox falls as you add more. That's the cheapest among its listed warm-up rivals: MailReach is $20 a mailbox, Warmy starts at $49 and InboxAlly at $149. | CFrom $49 a month, priced by warm-up volume rather than per inbox, with no yearly discount listed. Among its listed warm-up rivals that's above Warmup Inbox ($15) and MailReach ($20) for one inbox but well under InboxAlly ($149), and list checks and DMARC monitoring come with it. |
| Free plan and trial | CNo free plan, but a 7-day trial of any plan with no card. Fine for a look around; after that you pay for each inbox. | CNo free plan, but a 7-day trial of any package with no card, and every feature is open during it. |
| Features | CIt does warm-up fully: more than 30,000 real inboxes replying to 25% to 50% of your emails by plan, spam and tab monitoring, IP warm-up and simple outreach sequences. No list cleaning or DMARC, though, and language and SES or SendGrid warm-up need Pro. | BIt covers all three jobs on every plan: warm-up with business or consumer inboxes, a rotating US seed list, list checks and DMARC monitoring, plus placement tests, Postmaster data and an AI co-pilot that suggests fixes. |
| Ease of use | CNo App Store rating on record. You connect each mailbox and leave it running before you send, and the settings you'll want, your own templates and topics, sit on Pro. | CNo App Store rating on record. There's a lot to take in, from warm-up volume to DNS records and seed tests. The AI co-pilot reads your data and suggests what to fix, which helps. |
| Platforms and integrations | BWeb with an API on every plan, working with Gmail, Google Workspace, Outlook, Microsoft 365, Amazon SES, SendGrid and Zoho Mail. No phone or desktop app. | BWeb and a Chrome extension, with Klaviyo, Shopify, Mailchimp, HubSpot, SendGrid, Amazon SES and Google Postmaster Tools, a documented API, and Zapier, n8n and Make. No phone or desktop app. |
| Best for | cheap warm-up for new cold email inboxes | warm-up, list checks and DMARC in one plan |
The GPA is the average of the five grades: an A is 4 points, an F is none. The full reasons are on each tool's page: Warmup Inbox and Warmy. How we grade
Price against what you get
Warmup Inbox starts at $15 a month and scores 2.3 out of 4 on features, ease of use and platforms. Warmy starts at $49 a month and scores 2.7.
Warmy scores higher, and starts $34 a month higher: the question is whether the extra is worth that to you. Of the other email verification and deliverability tools on the chart, none scores higher than Warmup Inbox for less, and none scores higher than Warmy for less.
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
Where they differ
- Warmup Inbox starts at $15 per inbox / month, billed annually ($19 monthly). Warmy starts at $49 per month and up.
- Only Warmy lists a browser extension.
- Warmup Inbox also covers email campaigns.
- Warmy also covers email verification and dMARC.
At a glance
| Warmup Inbox | Warmy | |
|---|---|---|
| Pricing | Free trial | Free trial |
| Starts at | $15 per inbox / month, billed annually ($19 monthly) | $49 per month and up |
| Free plan | None | None |
| Free trial | 7-day free trial of any plan, no credit card required | 7-day free trial of any package, no credit card required |
| Web | ||
| Browser extension | ||
| Made by | CyberPanda s. r. o. | Warmy.io |
| Price read from | warmupinbox.com | warmy.io |
| Checked | Oct 18, 2026 | Oct 18, 2026 |
Who each one suits
Warmup Inbox
- Cold emailers setting up new mailboxes and domains
- Agencies warming many client inboxes from one dashboard
- Senders on SendGrid or Amazon SES who need to warm a domain or IP
Warmy
- Senders who want warm-up, verification and DMARC on one bill
- Ecommerce brands sending from Klaviyo, Shopify or Mailchimp
- Teams that want a named deliverability expert on the account
Worth knowing
Warmup Inbox
- Pricing is per inbox, so costs grow with each mailbox; volume discounts start from the second inbox.
- Language warm-up, email-platform warm-up and custom templates need Pro or above.
- It does not verify lists or manage DMARC; DMARC help is limited to a free record generator.
Warmy
- The pricing page gives only a starting price of $49 a month; the real cost depends on warm-up volume.
- Plans are priced by warm-up volume, not per inbox, and team members share the plan's mailbox quota.
- The vendor lists no annual discount or plan tiers on the page; larger needs go through a demo.
Key features
Warmup Inbox
- Warm-up network
- Your mailbox exchanges AI-written emails with more than 30,000 real inboxes, which reply to up to 25% to 50% of them depending on the plan.
- Spam and category monitoring
- Dashboards show whether warm-up emails land in spam or in a category tab, plus an email reputation check.
- Language and ESP warm-up
- On Pro and Max, warm up in other languages and through sending platforms such as SendGrid and Amazon SES, with custom templates and topics.
- IP warm-up
- Warms a dedicated sending IP before volume is raised.
- Outreach sequences
- Basic cold email sequences are included, so a warmed inbox can send campaigns from the same account.
- API and free tools
- A developer API on every plan, plus free placement tests, blacklist checks and DMARC and SPF record generators.
Warmy
- Warm-up network
- Domains and IPs warm up with real business or consumer mailboxes, sending during working hours in the recipient's time zone.
- US seed list
- More than 500,000 US seed mailboxes, rotated monthly, open and reply to your sends and move them out of spam.
- Verification and DMARC tracker
- List verification and SPF, DKIM and DMARC monitoring are included on every plan, with the exact record to change.
- Adeline AI co-pilot
- Reads your tests, DNS and warm-up data and suggests what to fix; a template optimizer scores emails and rewrites parts that trigger spam filters.
- Reputation and Postmaster data
- Tracks domain and IP reputation with blacklist alerts, and pulls Google Postmaster data in beside warm-up results.
- API and automation
- A documented API covers every feature, with n8n, Zapier and Make for automation and a Chrome extension for checking templates.
Plans
Warmup Inbox
Basic$15
per inbox / month, billed annually ($19 monthly)
75 warm-up messages a day, reply rate up to 25%, spam and category monitoring, outreach sequences and the API. The per-inbox price falls as inboxes are added.
Pro$49
per inbox / month, billed annually ($59 monthly)
250 warm-up messages a day, replies up to 45%, your own templates and topics, language and email-platform warm-up, and scheduling.
Max$79
per inbox / month, billed annually ($99 monthly)
1,000 warm-up messages a day, replies up to 50%, a technical setup check, premium support and unlimited API use.
51+ inboxesCustom
Quoted pricing with multi-client workspaces, consolidated billing, specialized reports and dedicated onboarding.
Warmy
B2B sender$49
per month and up
Warm-up inside a network of Google Workspace and Microsoft 365 business mailboxes; the price follows the warm-up volume you need.
B2C sender$49
per month and up
Warm-up inside consumer mailboxes at Gmail, Yahoo and Outlook; the price follows the warm-up volume you need.
Custom planCustom
A plan designed with Warmy's team around your volume and providers, with a dedicated success manager.
Ways to pay less
Warmup Inbox
- Annual discount
Save 20% with annual billing
Annual plans are billed once for 12 months: Basic is $15 per inbox a month billed annually against $19 billed monthly.
Warmy
No public discounts listed.
