iPhone launch · Official sources first

Launch an iPhone app people can understand

An iPhone App Store launch and ASO guide covering the app record, metadata, screenshots, previews, testing, privacy, review, release, and post-launch learning.

In brief

A strong iPhone launch joins a release-ready product to a truthful store promise. Build the app record and privacy details early, design a legible screenshot argument around real product value, test the signed build on supported devices, then measure activation and retention alongside product-page conversion.

On this page
  1. Build the foundation
  2. Write the listing
  3. Make the visual argument
  4. Validate the release
  5. Submit and release
  6. Learn after launch

Build the launch foundation before writing copy

Create the App Store Connect record early enough to discover account, agreement, identifier, privacy, age-rating, pricing, tax, territory, and role problems before release day. The listing can only promise what the signed build reliably delivers.

Audience

Name the first customer

Write down the person, situation, and job the first release serves. “Everyone” cannot guide a launch page.

Promise

Choose one outcome

The name, subtitle, first screenshot, and onboarding should reinforce one honest reason to install.

Proof

Collect real product states

Prepare believable data, permissions, edge cases, purchase access, and support paths before capture day.

Privacy answers should represent the released app and its SDKs. Accessibility labels should be based on completing common tasks on the device, not on the presence of isolated accessible controls.

Write an App Store listing with distinct jobs

Apple App Store

App name

30characters

Localized and editable only when the app version status permits it.

Official source ↗

Apple App Store

Subtitle

30characters

A concise summary shown beneath the app name.

Official source ↗

Apple App Store

Promotional text

170characters

Conversion copy that can be updated independently of a new version.

Official source ↗

Apple App Store

Keywords

100UTF-8 bytes

Comma-separated terms; Unicode characters can consume more than one byte.

Official source ↗

Apple App Store

Description

4000characters

Visible product-page copy. The first sentence should explain the product before the text is expanded.

Official source ↗

Apple App Store

What’s New

4000characters

Customer-facing release notes for the version being submitted.

Official source ↗

Use the app name for a distinctive identity and essential context, the subtitle for a clear use or outcome, and the private keyword field for relevant search language not already carried efficiently elsewhere. Promotional text is conversion copy that can change without a new app version; Apple does not describe it as a search-ranking field.

The description should open with the app, audience, and concrete outcome, then explain the real workflow and inspectable features. Avoid keyword repetition, implementation vocabulary, unverifiable superlatives, and promises the first session cannot keep.

Draft and count the iPhone metadata

Make the screenshot sequence a one-second argument

Apple allows 1–10 screenshots per supported display size and localization. Under the current screenshot specification, an iPhone app needs at least one screenshot for the required “iPhone with Dynamic Island (medium display)” set. If the app supports iPad, the required iPad set also applies.

  1. 01
    Frame 1 — the outcome

    Name the primary value in language a qualified customer can recognize immediately.

  2. 02
    Frame 2 — the mechanism

    Show the core product interaction with enough real UI to make the claim credible.

  3. 03
    Frame 3 — the differentiator

    Prove the behavior or quality that makes this product meaningfully different.

  4. 04
    Frames 4–6 — the objections

    Answer the questions that block install: setup, depth, privacy, compatibility, ownership, or continuity.

  5. 05
    Final frame — the right next step

    Close with trust or breadth, not a generic download command.

App previews are optional, with up to three per supported device size and language. Use video when motion, gesture, sequence, or transformation materially improves understanding. Design it to work from the first frame and without sound.

Validate the product-page promise in the release build

  1. 01
    Test compatible devices

    Exercise the signed release build on real supported devices and current operating systems where practical.

  2. 02
    Test first-run reality

    Fresh install, permissions denied, poor network, empty states, sign-in, purchase, restore, and offline behavior should all be coherent.

  3. 03
    Audit every claim

    Match names, screenshots, captions, subscription terms, privacy statements, and feature availability to the shipped build.

  4. 04
    Use TestFlight deliberately

    Give testers jobs and questions; do not treat a large invite list as evidence of coverage.

  5. 05
    Prepare review access

    Supply a working account, exact steps, hardware dependencies, gated features, and purchase context in review notes.

Submit and release without an avoidable surprise

Attach the build, complete required version information, add the version to review, then submit it. Reconfirm agreements, pricing, tax category, territories, export compliance, content rights, age rating, privacy, and release method. Apple notes that approved releases can take up to 24 hours to appear.

Read the launch as a connected journey

Track impressions and product-page conversion by source, territory, device, and version—but read them beside onboarding completion, activation, purchase quality, retention, reviews, refunds, support, and crashes. A higher install rate is not a win when the listing recruits the wrong expectation.

Once the baseline is stable, use Product Page Optimization for a bounded test of the default product page and custom product pages for genuinely different audience promises. Treat App Store tags as Apple’s taxonomy—not as copy you can force—and ask for ratings only after an earned moment in the product.