Free Pre-Launch QA Checklist — 54 Things to Test Before You Ship Your App

Functional Testing

10 checks

01 All user flows work end-to-end (signup → onboarding → core feature → logout)

02 Form validation triggers correctly for invalid inputs (empty fields, wrong formats)

03 Error messages are clear, specific, and helpful — not just "Something went wrong"

04 Password rules are enforced and shown to users before they submit

05 Email confirmation / verification flow works correctly

06 Account deletion or deactivation removes all user data as expected

07 All buttons and links go to the correct destination

08 Filters, sorting, and search return accurate results

09 Pagination works correctly — first, last, and edge pages

10 File uploads work — correct formats accepted, oversized files rejected with clear message

Payment & Checkout

8 checks

01 Successful payment flow completes and sends confirmation email

02 Failed payment shows a clear error — does NOT silently fail

03 Declined card shows the correct message (insufficient funds vs card blocked)

04 Double-clicking the payment button does NOT create duplicate charges

05 Webhook from Stripe/payment gateway is received and processed correctly

06 Free trial signup does not charge immediately

07 Subscription cancellation stops future billing and confirms to user

08 Refund process works and updates user account status

Mobile & Cross-Browser

8 checks

01 Site loads and functions correctly on iPhone Safari (iOS 15+)

02 Site loads and functions correctly on Android Chrome

03 All buttons are large enough to tap (minimum 44x44px touch target)

04 No horizontal scrolling on mobile — layout stays within screen width

05 Modals and popups are usable on small screens

06 Keyboard does not cover form fields on mobile when typing

07 Tested on Chrome, Firefox, Safari, and Edge desktop browsers

08 Images load correctly on all browsers — no broken image icons

API & Integrations

6 checks

01 All API endpoints return correct data for valid requests

02 Invalid API requests return proper error codes (400, 401, 404, 500)

03 API authentication works — invalid tokens are rejected

04 Third-party integrations tested in staging environment (not just dev)

05 Webhook delivery is confirmed for all subscribed events

06 Rate limiting is in place and returns correct error when exceeded

Performance

5 checks

01 Homepage loads in under 3 seconds on a standard connection

02 Core pages load in under 5 seconds on a mobile connection (3G)

03 Images are compressed and do not slow page load

04 No console errors appear in browser developer tools

05 Site does not crash or slow when multiple users are logged in simultaneously

Security Basics

5 checks

01 Users cannot access other users' data by changing IDs in the URL

02 SQL injection attempts return errors — not database content

03 Sensitive data (passwords, tokens) is never visible in browser URL

04 Session expires after inactivity and requires re-login

05 HTTPS is enforced on all pages — no mixed content warnings

UX & Content

7 checks

01 No broken links anywhere on the site (use a link checker tool)

02 No spelling or grammar errors on all public-facing pages

03 All images have alt text for accessibility and SEO

04 Loading states are shown for all actions that take more than 1 second

05 Empty states are handled — lists with no data show a helpful message

06 Success states are confirmed to users after every important action

07 Favicon appears correctly in browser tab

Onboarding Flow

5 checks

01 New user can complete signup without any confusion or dead ends

02 Welcome email arrives within 2 minutes of signup

03 First-time user sees a clear next step — not a blank dashboard

04 Onboarding steps can be skipped and resumed later

05 Existing email re-registration shows a helpful message (not a generic error)

How many did you check?

If you have fewer than 40 ticked — your product has gaps worth fixing before users find them.

Get a Professional QA Audit — From $150 →

Pre-Launch QA Checklist: 54 Things to Test Before You Ship

Functional Testing

Payment & Checkout

Mobile & Cross-Browser

API & Integrations

Performance

Security Basics

UX & Content

Onboarding Flow

We'll run the full audit and send you a structured bug report in 2–3 days.