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Fastshot builds your iPhone app on its own Mac build machines. There are two ways to get it:
  • TestFlight: Fastshot uploads the build to App Store Connect, Apple’s site for your App Store apps. From there you test it in TestFlight, Apple’s app for trying an app before release, and submit it to the App Store.
  • Sideload (unsigned IPA): you download the iPhone app file (the IPA) and install it yourself with a sideload tool. No Apple Developer account needed.

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Prerequisites

  • A Starter, Beginner or Pro plan
  • For TestFlight and the App Store: an Apple Developer Program membership ($99/year)

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Build for TestFlight

  1. Click Publish in the project header. On a phone, open the menu and tap Publish. The iOS tab opens.
  2. App Configuration — enter a Bundle Identifier: your app’s unique ID, in reverse-domain format (e.g. com.yourcompany.appname). Check the App Name, leave Distribution Mode on TestFlight, and click Save Config.
  3. Apple Credentials — connect your Apple Developer account in one of two ways:
    • Apple ID Login: sign in with your Apple ID and password, then enter the 6-digit code sent to your devices. If you belong to several teams, pick one. Fastshot then creates the App Store Connect API key for you.
    • API Key (.p8): enter the Key ID, Team ID and Issuer ID of an App Store Connect API key, and choose its .p8 file.
  4. Provisioning — click Set Up Provisioning. Apple needs a bundle ID, a distribution certificate, a provisioning profile and an App Store Connect app before it accepts a build. Fastshot creates them in your Apple account, so you don’t have to.
  5. iOS Builds — leave App Store selected and click Queue Build.
The build uploads itself to App Store Connect. When it’s done, the build card has a TestFlight button that opens your app’s TestFlight page in App Store Connect.

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Publishing to the App Store

  1. Open App Store Connect at appstoreconnect.apple.com and go to My Apps
  2. Find your build — the one Fastshot uploaded
  3. Complete the app listing:
    • App name and subtitle
    • Description and keywords
    • Screenshots for each device size (iPhone, iPad if applicable)
    • App icon (1024x1024)
    • Privacy policy URL
    • Age rating
    • App category
  4. Submit for App Review
You can also ask the AI to help with your App Store listing.
Apple’s review process typically takes 1-2 days. Make sure your app follows the App Store Review Guidelines.

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Sideload an unsigned IPA

  1. Under App Configuration, set Distribution Mode to Sideload (unsigned IPA). Your app needs a bundle identifier and an app name. Click Save Config.
  2. Under iOS Builds, click Queue Build.
  3. When the build is done, click Install on device, then Download unsigned IPA.
  4. Open the IPA in a sideload tool such as SideStore, AltStore or Sideloadly. The tool signs the app and installs it on your iPhone.
If you sign with a free Apple ID, renew the app’s signature every 7 days.

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App Store requirements

  • Your app must have a clear purpose and function as described
  • All features shown in screenshots must work
  • A privacy policy is required
  • Apps that collect user data must explain what data is collected and why
  • No placeholder content or lorem ipsum text

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Troubleshooting

  • Build fails — the build card shows the reason. Ask the AI to read the build’s logs and fix the problem.
  • “Apple session expired” — click Re-authenticate under Apple Credentials and sign in again.
  • “Apple certificate limit (3) reached” — click Manage Certificates, revoke a certificate you don’t use, then set up provisioning again.
  • “This Apple ID isn’t in the Apple Developer Program” — join at developer.apple.com/programs, then sign in again.
  • Rejected by App Review — read the rejection reason carefully; common causes include crashes, broken features, or guideline violations
  • Missing metadata — App Store Connect highlights required fields that are incomplete