- You want spam testing, inbox placement, client previews and an AI heatmap in one plan. MailReach offers no rendering previews or heatmaps.
- You'd rather pay for tests than for mailboxes. MailReach warmup is listed at $25/mailbox/mo (1 to 5 mailboxes) as of mid-2026, with no free trial for warmup, while Unspam charges $0.18 a spam test from a $5 monthly minimum.
- You want a usable free tier: 5 spam tests, 3 inbox placements, 3 device previews, 5 screenshots and 5 heatmaps a month, AI assistant included, no card. MailReach's free tool allows 3 spam tests per 24 hours.
- You want results in about 30 seconds, with a 14-day no-questions-asked refund on paid plans.
A MailReach alternative that adds previews, heatmaps and a free tier
MailReach is a mailbox warmup platform with credit-based spam testing. Unspam skips warmup and focuses on pre-send testing: spam score, inbox placement, client previews and AI heatmaps in one plan, starting free.
Compared from public pricing and product pages, June 2026.
Which one fits you?
- You need automated inbox warmup. That is MailReach's core product, and Unspam does not warm up inboxes at all.
- You need self-serve API access. MailReach has public APIs for both warmup and spam testing; Unspam's API is gated behind the Custom plan.
- You want Slack and webhook notifications on scheduled spam tests across a large cold-email mailbox fleet.
Why teams move from MailReach to Unspam.
Rendering on top of the placement test
MailReach's spam test covers seed-list placement, content analysis and auth checks, but no client-rendering previews and no heatmaps. Unspam includes device previews and an AI eye-tracking heatmap in every plan, including the free one.
Pay per test instead of per mailbox
MailReach charges per mailbox (listed at $25/mailbox/mo at entry as of mid-2026), and reviewers call it expensive for small teams. Unspam charges per test instead, from a $5 monthly minimum at $0.18 a spam test, with a 14-day refund.
A free tier without a card
MailReach has no free plan or trial for warmup; its free tool allows 3 spam tests per 24 hours. Unspam's free plan gives 5 spam tests, 3 inbox placements, 3 device previews, 5 screenshots and 5 heatmaps every month, with no credit card required.
Unspam vs MailReach, feature by feature.
Based on public product pages and documentation. Spotted something outdated? Tell us in the chat and we'll fix it.
Feature
Unspam
MailReach
Free plan or trial
Free plan, no card
Free spam test only
First paid plan
$5/mo minimum, usage-priced
$25/mailbox/mo
Spam score testing
Yes
Yes
Inbox placement tests
Yes
Yes
Client previews & screenshots
Yes50+ clients, light & dark
—No
AI attention heatmap
Yes
—No
Blacklist monitoring
Partialon-demand checker
Partialwithin tests
SPF / DKIM / DMARC checks
Yes
Yes
AI fix recommendations
Yes
Yes
Scheduled automatic tests
Yesplacement + spam score
Yes
Scheduled spam score tests
Yesdaily, weekly, or monthly
Yes
Sender accounts
YesUnlimited
PartialPer mailbox
API access
YesCustom plan
Yes
MCP server
YesCustom plan
—No
Email verification
Yes
Partialbundled verifier
Automated inbox warmup
—No
Yes
DMARC report monitoring
YesCustom plan, first domain free
—No
Deliverability consulting
Yesseparate service
—No
Comparison based on publicly available information as of June 2026. Features and pricing change frequently, so please verify current details on each provider's website.
What each one costs.
MailReach is priced per warmed mailbox with volume discounts. Spam Tester credits are priced in euros and were re-checked August 2026; the per-mailbox warmup tiers below still carry the June 2026 reading. Exact volume breakpoints may shift.
- Free $0
5 spam tests, 3 inbox placements, 3 device previews, 5 screenshots, 5 heatmaps per month. AI assistant included.
- Custom $5/mo
Pay per test: spam tests $0.18, inbox placements $0.50, device previews $0.75, screenshots $0.20, heatmaps $0.30. Volume discounts to 30%, 15% off annual, $5 monthly minimum. API, MCP and three years of history included. DMARC monitoring is $6 per domain per month, first domain free.
- All-In-One warmup, 1-5 mailboxes $25/mailbox/mo ($20 billed annually)
Automated warmup, AI warming algorithm, Co-pilot assistant, reputation dashboard, blacklist/SPF/DKIM/DMARC health checks, min 20 spam test credits
- All-In-One warmup, 6-20 mailboxes $19.50/mailbox/mo ($15.60 annually)
Same features, volume discount tier
- All-In-One warmup, 21-50 mailboxes $18/mailbox/mo ($14.40 annually)
Same features, volume discount tier
- All-In-One warmup, 51+ mailboxes $16/mailbox/mo ($12.80 annually)
Same features, volume discount tier
- Spam Tester (standalone) €39 / 50 credits (pay as you go)
1 credit = 1 inbox placement test with a deliverability report. Sold pay as you go from 20 credits; 50 credits cost €39, about €0.78 a test, scaling to 10,000+ credits.
Pay as you go starts at 20 credits; the calculator prices 50 at €39.
MailReach pricing and feature information was collected from publicly available sources in June 2026 and may have changed since; it is provided for general comparison only and is not guaranteed to reflect current offers. Confirm current pricing on the vendor's website. MailReach is a trademark of its respective owner. Unspam is not affiliated with or endorsed by MailReach.
Unspam vs MailReach, answered.
Is Unspam a full replacement for MailReach?
Not if you rely on warmup. MailReach's core product is automated mailbox warmup, and Unspam does not warm up inboxes. If you mainly use MailReach for spam testing and inbox placement, Unspam covers that and adds client previews and an AI heatmap.
How do the prices compare?
MailReach warmup is listed at $25/mailbox/mo for 1 to 5 mailboxes as of mid-2026, with its standalone Spam Tester from $9.60/mo for 25 test credits. Unspam starts free, and its paid pricing is per test from a $5 monthly minimum at $0.18 a spam test. See pricing. Unspam's paid plan carries a 14-day no-questions-asked refund. Credit-based pricing needs one extra question, whether unused credits expire, and the answers diverge sharply between the credit-based vendors in this market.
What is the biggest functional difference?
Warmup versus testing. MailReach actively warms mailboxes through an engagement network and sells spam tests as credits; Unspam is a testing platform (spam score, inbox placement, previews, heatmaps and blacklist checks), with results in about 30 seconds. MailReach does not read DMARC aggregate reports; Unspam monitors them on the Custom plan.
How do the free tiers compare?
MailReach has no free plan for warmup; its free deliverability tool allows 3 spam tests per 24 hours. Unspam's free plan includes 5 spam tests, 3 inbox placements, 3 device previews, 5 screenshots and 5 heatmaps per month, with the AI assistant included and no credit card required.