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Preflight
See what will break before your audience does
About Preflight
Preflight is an all-in-one email quality assurance (QA) platform designed for developers and marketing teams to ensure emails are error-free, accessible, and deliverable. It brings together real client previews, accessibility findings, and delivery checks into a single, calm workflow, replacing the need to jump between separate tools. With Preflight, teams can start from a draft they already have—whether from an ESP, an HTML upload, or a browser capture—and review every check in one place. The platform provides inbox-accurate rendering previews across real email apps and devices, including light and dark mode, as well as forced dark mode in Chrome. It performs automated accessibility checks like colour contrast and alt text validation, and delivery audits covering SPF, DKIM, DMARC, IP reputation, and spam score. Preflight also offers a browser extension for capturing early previews during the build process, supporting local HTML files and popular builders like Beefree, Brevo, Customer.io, Klaviyo, and Resend. Pricing is simple: one plan at $35 per month includes 650 screenshot credits, one user, and full access to all features, with optional add-ons for additional users and screenshot bundles. A 14-day free trial is available.
Challenges It Solves
- Email rendering issues across different clients and devices cause broken layouts and poor user experience.
- Inaccessible emails alienate subscribers with visual impairments and risk compliance issues.
- Authentication and spam-related issues lead to emails landing in spam or not being delivered.
- Manual QA across multiple tools is time-consuming and error-prone, with issues often getting lost in handoffs.
Screenshots
Watch Demo
Use Cases
Pre-Send QA
Run a comprehensive QA pass on emails before broadcasting to catch rendering, accessibility, and delivery issues.
Early Preview Capture
Use the browser extension to capture screenshots of emails while still in the build stage, supporting local HTML and popular builders.
Accessibility Compliance
Ensure emails are accessible by checking colour contrast, alt text, and language to accommodate all subscribers.
Delivery Risk Reduction
Audit authentication (SPF, DKIM, DMARC), IP reputation, spam score, and delivery speed to improve inbox placement.
Pricing
- 650 monthly screenshot credits
- Real email app screenshots
- Forced dark mode Chrome screenshots
- Accessibility checks
- Email delivery insights
- QA email journeys
- API access
- Browser extension access
- Share links
Key Features
See your email as it renders in real clients and devices, including light and dark mode.
Automatically check colour contrast, alt text, and language to make emails readable for all.
Catch authentication, reputation, spam, and performance risks before you send.
Distill hundreds of audit signals into an actionable summary for faster review.
Capture early previews directly from your browser for local HTML files and supported email builders.
What Reviewers Say
What works well
- Provides real client and device screenshots for accurate rendering previews.
- Includes accessibility checks (e.g., colour contrast, alt text) and delivery audits in one platform.
- Browser extension allows early testing during the build process.
Common concerns
- Pricing is not per-seat, so adding users requires an extra monthly fee per user.
Reviews
No reviews yet for Preflight
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Enterprise Readiness
Identity & Access
Data Security
SLA & Availability
Compliance & Portability
Integrations
Beefree
Capture screenshots of emails built in Beefree preview mode.
Brevo
Test email previews within Brevo's template editor.
Customer.io
Screen test previews of campaign and journey emails.
Klaviyo
Capture HTML previews directly within Klaviyo.
Resend
Preview templates within Resend's interface.
Postmark
Used by Preflight for transactional email delivery (subprocessor).
Governance & Compliance
EU AI Act
No data available
Data Processing Agreement
No data available
Right to Erasure
✓ Supported
Change Notifications
No data available
NIST AI RMF
No data available
AiDOOS Managed Deployment
Deploy Preflight in 72 hours
AiDOOS handles setup, CRM integration, SSO config, and user provisioning. Your team goes live — not your IT department.
Prerequisites
- Active Preflight account with admin access
- Valid API key
- Access to email templates or HTML content
- Email service provider account for integration
Configuration Options
- Configure screenshot settings and devices
- Set up accessibility and delivery checks
- Define user roles and sharing options
- Integrate with supported email platforms via browser extension
How Preflight Compares
| Product | AI & Analytics | Ease of Use | Enterprise Features | Pricing | Integrations | Mobile Experience | Quick Setup | Customer Support | Rating | Price/mo |
|---|---|---|---|---|---|---|---|---|---|---|
|
P
Preflight This product
|
Good | Excellent | Fair | Good | Good | Poor | Excellent | Good | — | $35/user |
|
LI
Litmus
|
Good | Excellent | Excellent | Fair | Excellent | Good | Good | Excellent | — | $99/user |
|
EA
Email on Acid
|
Good | Excellent | Excellent | Fair | Excellent | Good | Excellent | Excellent | — | $79/user |
|
MT
Mailtrap
|
Fair | Excellent | Good | Excellent | Excellent | Poor | Excellent | Good | — | $9.99/user |
A Virtual Delivery Center for Preflight
Pre-vetted experts and AI agents in the loop, assembled as a delivery pod. Pay in Delivery Units — universal pricing across roles, seniority, and tech stacks. No hiring, no contracting, no procurement cycle.
- Plans from $2,000 — Starter Pack, 10 Delivery Units, 90 days
- Refundable on unused Delivery Units, anytime — no questions asked
- Re-delivery guarantee on acceptance miss
- Pre-flight delivery sizing — you see the plan before you commit
How a Virtual Delivery Center delivers Preflight
Outcome-based delivery via AiDOOS’s VDC model. Why VDC vs traditional consulting? →
Outcome-Based
Pay for results, not hours
Milestone-Driven
Clear deliverables at each phase
Expert Network
Access to certified specialists