EmailQA is an Email on Acid alternative that costs $20 per month flat, compared to Email on Acid's move to Mailgun Inspect at around $99 per month plus usage-based overages starting June 2026. It focuses on real-device rendering previews and pin-based reviewer feedback without requiring reviewer accounts, but does not do spam testing or accessibility checks.
Email testing, rendering and pre-deployment platform
Best for: Enterprise email teams needing pre-deployment QA across 70+ clients with accessibility and spam testing
Email preview & feedback tool
Best for: Teams focused on stakeholder feedback, approvals, and real-device rendering at a fraction of the cost
| Feature | Email on Acid | EmailQA |
|---|---|---|
| Starting price | ~$99/month (Mailgun Inspect) | Free (14-day Pro trial) |
| Free plan | Inspect free tier (capped previews) | Yes (3 projects/month) |
| Free trial length | 7 days | 14 days |
| Email preview | Yes | Yes |
| Multi-device preview | Yes | Yes |
| Real device rendering | Yes | Yes |
| Light + Dark Mode | Yes | Yes |
| Visual feedback | Basic comments | Pin & box comments |
| Guest reviewer access | Limited / paid seat | Unlimited, no account |
| ESP integrations | Some, via Premium | 9 ESPs on Pro |
| Email client rendering | 70+ clients | Gmail, Outlook, Apple Mail & more |
| Accessibility check | Yes | No |
| Spam testing | Yes | No |
| Approval workflow | Add-on / Premium | Included in trial, then $20/mo |
| Slack integration | Premium only | Yes |
| Version comparison | Limited | Visual slider |
| Rendering API | Included (Basic) | Included ($99/mo Business) |
We would rather you pick the right tool than the cheap one. Stay with Email on Acid if:
Email on Acid is a pre-deployment QA platform focused on rendering tests, accessibility checks, and spam scoring across 70+ clients. EmailQA covers real device rendering on the email clients that matter most (Gmail, Outlook, Apple Mail and more) in both Light Mode and Dark Mode, and adds the things Email on Acid charges extra for or lacks entirely: pin-based visual comments, guest-reviewer links with no account required, version comparison, and built-in approval workflows. See our full device list at emailqa.live/features/real-device-rendering.
Yes, significantly. EmailQA gives you all Pro features free for 14 days, then $20/month flat. Email on Acid is moving to Mailgun Inspect, which starts at around $99/month for the Basic plan plus usage-based overages. Switching to EmailQA saves a small team roughly $950/year versus a $99/month plan, with no per-preview overage charges.
Yes. EmailQA renders on real devices across the email clients that cover 95%+ of real subscriber inboxes: Gmail (Web, Android, iOS), Outlook (Windows, Mac, Web, iOS, Android), and Apple Mail (Mac and iOS), with Light Mode and Dark Mode side-by-side. Email on Acid offers more niche clients (AOL, Outlook 2013, Lotus Notes) but most teams don't need them. If rendering plus feedback are your core needs, EmailQA covers both for a fraction of the cost.
For most teams, yes. EmailQA replaces Email on Acid's rendering, preview, multi-device testing, ESP imports, and approval workflow, and adds visual comments and guest review on top. The two things EmailQA does not replace are automated accessibility checking and spam-score testing; if those are critical for your compliance or deliverability process, some teams keep Email on Acid for those audits and use EmailQA for everything else.
Email on Acid itself has no permanent free plan. It offers a 7-day trial, then paid plans. It is migrating to Mailgun Inspect in 2026, which adds a usage-capped free tier and a ~$99/month Basic plan. EmailQA, by contrast, has a 14-day Pro trial with no credit card required, plus a permanently free plan with 3 projects per month after the trial ends.
Litmus has broader client coverage (90+ vs 70+) and stronger analytics; Email on Acid has tighter accessibility and pre-deployment QA. Both now start at around $99/month and climb past $500/month at the top end, and neither offers pin-based collaborative review. For teams whose primary need is collaborative feedback and approval, not enterprise QA, EmailQA at $20/month replaces the rendering layer of either tool at a fraction of the cost.
Yes. The EmailQA Business plan ($99/month) includes a REST API with 1,000 render previews per month, the same entry price and preview allowance as Email on Acid's successor, Mailgun Inspect. The difference is what surrounds it: API-triggered renders appear in the same review UI your team uses, so a pipeline can render every build and reviewers approve with pin comments, no extra tool. The API docs are public at emailqa.live/docs/api.
Email on Acid is the better choice if: WCAG accessibility compliance is a hard requirement (regulated industries, government, healthcare); You need spam scoring and deliverability testing as a built-in step before every send; Your audience meaningfully includes Lotus Notes, AOL, or other legacy clients; Your QA process is built on automated prechecks and checklists rather than human review. For teams that mainly need rendering previews and stakeholder review, EmailQA covers that for $20/month flat.