Scarlet iOS vs AppValley: Features and Reliability

ByScarlet iOS Team Updated on

AppValley and Scarlet iOS are both on-device sideloading tools that install IPA files without requiring a computer. They target the same audience and use similar certificate-based installation approaches, making direct comparison straightforward and relevant. This guide examines both tools across every meaningful dimension to help you decide which deserves space on your iPhone in 2026.

Background on Both Tools

Scarlet iOS

Scarlet iOS is an on-device app installer. It offers a built-in app library, support for third-party repos, and an app discovery interface. According to its official site, it is built by a single developer.

AppValley

AppValley has been operating since around 2018 and has an established user base. It built its reputation on a large app library and straightforward installation process. The service has gone through periods of high popularity and periods of instability, particularly around certificate revocation events. When we checked on October 31, 2026, its old address appvalley.vip redirected to a different store called TopStore, so be careful with any site that uses the AppValley name.

App Library Comparison

The scope and quality of available apps is typically the most important factor for most users:

  • Scarlet iOS: Curated library across categories including tweaked apps, games, emulators, and utilities.
  • AppValley: Larger raw number of apps, but significant inconsistency in quality. Some apps in AppValley’s library are outdated versions that have not been updated in months or years. Others are well-maintained. Requires more user judgment to navigate safely.

For raw variety, AppValley has the edge. Neither tool publishes how it checks the apps it lists.

Certificate Reliability

This is where the most significant practical difference lies:

  • Scarlet iOS: Uses certificates that Apple can revoke. After a revocation, apps work again once Scarlet is signed with a new certificate and you reinstall them; how long that takes varies.
  • AppValley: Also uses certificates that Apple can revoke, so it is affected by the same kind of outages.

Both tools share the same basic weakness: neither can prevent revocations, so keep a backup option if you rely on a specific app.

iOS Compatibility

  • Scarlet iOS: Scarlet is confirmed on iOS 14 through iOS 26; iOS 27 support is reported by third parties but not officially confirmed.
  • AppValley: Generally supports current iOS versions but has sometimes lagged on compatibility with new major releases, particularly in the first weeks after Apple releases a new iOS version.

Installation Process

Both tools use a similar installation mechanism: visit a website in Safari, install the app, and trust the developer certificate in Settings. Neither requires a computer, and both sign with a shared certificate instead of your Apple ID.

Interface and User Experience

  • Scarlet iOS: Interface with category browsing, search and featured apps.
  • AppValley: Functional but more utilitarian interface. Less contextual information per app. Adequate for finding what you want but less enjoyable to browse.

Safety and Vetting

Both tools carry inherent risks as third-party app sources, but there are differences in approach:

  • Scarlet iOS: Lists apps from its own library and from repos you add. It does not publish a review process for those apps, so check an app before you install it.
  • AppValley: Less rigorous vetting due to larger library volume. Higher chance of encountering outdated or problematic app versions. Check community reviews before installing anything from AppValley.

Pricing Structure

  • Scarlet iOS: Free to use
  • AppValley: Free tier available with limitations. Paid “VIP” tier offers better certificate stability and additional apps. The paid tier pricing varies.

Scarlet is free, and AppValley’s free tier covers the basics, so the paid tier matters only if you need what it adds.

Which Should You Choose?

For most users in 2026, Scarlet iOS is the better choice. It is free and its library covers the main categories. Both tools can be hit by certificate revocations. AppValley remains a viable option if you are specifically looking for an app that is in AppValley’s extended library but not in Scarlet’s, or if you want to compare sources for a specific app.

There is no reason you cannot have both installed: sideloading tools coexist without conflict. But if you are picking one to rely on as your primary tool, Scarlet iOS is the stronger option. Read the full ranking of third-party app stores for iPhone to see how all the major options compare.

Making Your Final Decision

Both Scarlet iOS and AppValley will install apps on your iPhone, but the experience quality differs meaningfully. Scarlet iOS’s app library and zero cost make it the stronger choice for users starting fresh or looking to switch from an underperforming tool. AppValley remains a functional secondary option. If you already have AppValley installed, there is no urgent reason to remove it. Simply add Scarlet iOS alongside it and use whichever has the app you need at any given time. Both tools coexist without issues on the same device.

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