Postdrop
Postdrop: A focused web workspace for designing and reviewing email templates. Ranked #14 of 27 in Email Testing Software by our editors (7.1/10); pricing: Free plan; best for designers creating and reviewing email templates.
At a glance
- Editor score7.1 / 10
- PricingFree plan
- Best forDesigners creating and reviewing email templates
- Free planYes
- Paid from$29/mo
- Facts checked20 Sep 2026

Where it wins
- Desktop, mobile, and dark-mode previews
- Live renders for Gmail, Outlook, iOS, and Android
- HTML/CSS editing with export, sharing, and inbox testing
Where it doesn't
- No verified spam-testing feature
- No listed accessibility or link-check features
- API and integrations are limited to Enterprise
Our verdict on Postdrop
Postdrop is a web-based HTML email editor and testing workspace for developers, marketers, and teams. It combines an HTML/CSS editor with syntax highlighting, autocomplete, and autosave; desktop, mobile, and dark-mode previews; live email-client renders; inbox test emails; shareable HTML and live-preview links; CSS inlining; and clean HTML export. It is suited to teams that need to create, review, and share email templates from a browser, particularly when client-specific rendering is part of the workflow.
The freemium pricing structure starts with a Free plan offering 3 templates, 10 exports per month, 10 test emails per day, dark-mode preview, and 2 AI templates per month. Solo costs $29 per month with annual billing and raises the limits to 30 templates, unlimited exports, 100 test emails per day, 10GB of images, and 40 live client previews per month. Pro costs $79 per month with annual billing and includes 200 templates, unlimited exports, 500 test emails per day, 100GB of images, 150 live client previews per month, and priority support. Enterprise adds unlimited templates, exports, and test emails per day, plus API and integrations, custom live-preview limits, and priority support. The pricing page states that yearly billing provides two months free.
Postdrop’s strongest fit is template production and rendering review rather than broad email quality assurance. Its integrations include Mailchimp, Klaviyo, HubSpot, SendGrid, Customer.io, and OneSignal, while AI-assisted composition, brand settings, and team sharing support collaborative workflows. The product does not include verified spam, accessibility, or link-check features, so teams needing those checks should add another tool or choose an alternative with that coverage. Choose Postdrop for browser-based editing, client previews, inbox testing, and export; look elsewhere if API access is required below Enterprise or if compliance-oriented email validation is central.
Your product? Our editors can test Postdrop in depth and publish a review, labelled as paid · from $149/mo →
Postdrop pricing
All 4 Postdrop plans and prices →
Postdrop fact sheet
| Free plan | Yes |
|---|---|
| Paid from | $29/mo |
| Email clients | Not verified |
| Device coverage | Both |
| Spam checks | Not verified |
| Accessibility checks | Not verified |
| Link checks | Not verified |
| Inbox testing | Yes |
| API access | Yes |
| Deployment | Cloud |
| Platforms | Web |
| Support | |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 6 integrations: Mailchimp, Klaviyo, HubSpot, SendGrid, Customer.io, OneSignal |
| Pricing | Free plan (source) |
| Website | postdrop.io |
| Facts checked | 20 Sep 2026 |
Postdrop integrations
Postdrop lists 6 integrations on its own site.
- Mailchimp
- Klaviyo
- HubSpot
- SendGrid
- Customer.io
- OneSignal
Alternatives to Postdrop
- LitmusBroad pre-send email QA with previews, testing, monitoring, integrations, and APIs.9.3
- Twilio Email TestingA flexible email-testing option with a free trial, rendering checks, spam tests, and API access.8.8
- GlockAppsA broad deliverability toolkit for inbox placement, reputation, authentication, and alerts.8.5
See all Postdrop alternatives →
Also Ranked In
Postdrop is ranked in 2 of our directories.
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Featured on iTechGuides
Postdrop is listed in our Email Testing Software directory. Add the badge to your site — it links back to this page.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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