AltStore is described as 'Alternative app store for non-jailbroken iOS devices. AltStore PAL the new version of AltStore, Apple-approved and exclusive to the EU. You can download it if you're a user from that region' and is a App Store in the online services category. There are more than 10 alternatives to AltStore for a variety of platforms, including iPhone, iPad, Web-based, Mac and Windows apps. The best AltStore alternative is Apple App Store, which is free. Other great apps like AltStore are Cydia, TweakBox, SideStore and Applite.
Marketplace offering 1.8 million apps in 175 storefronts, with secure payment options, expert-curated collections, daily content updates, strong privacy standards, and strict content moderation. Supports 195 payment methods in 45 currencies and instant downloads.
Cydia is a Debian APT package manager that lets you download tweaks and apps that haven't been approved by Apple for your jailbroken iPhone, iPad and iPod Touch, via repositories.
On December 13, 2018 Saurik has announced that the Cydia Store is shut down because of a bug with Paypal and lack of funds. He recommends to remove the saved Paypal info from the Cydia account and assures the users that he intends to maintain the ability to download existing packages. https://www.reddit.com/r/jailbreak/comments/a5wfq9/news_andrew_wiik_recommend_that_everyone_removes/ebpur5a/?context=1
Cydia isn’t a way to resign revoked applications. The purpose of it is completely different.
TweakBox App is a method to get in paid purchases from the App Store for free, to test before buying.
An alternative app store for seamless sideloading: no jailbreak needed, and no computer after the initial install, only a WiFi connection.
Applite is for installing Homebrew Casks on a Mac, while AltStore is for sideloading to iOS devices.
Tutubox is a third-party app store for iOS that is available for free download. If you are finding a way to install tweaked apps, jailbreak tools, modded apps and games, and other third-party apps that are not available on iTunes, Tutubox iOS is the best solution for you.
iOSGods is a third party appstore that distributes tweaked versions of games you would find on the regular appstore.
Comprehensive open-source sideloading application supporting macOS, Linux, and Windows with a clean UI, advanced tweak injection, SideStore compatibility, custom entitlements, device utilities, pairing file management, certificate export, and iOS app signing.
Safe and trustworthy app store for iOS. Access favorite apps, games, emulators, tweaks, and more.
Listing of iOS tweaked apps and games. They offer tools to get started, links you should visit, and hundreds of popular apps ready for download or direct install.
Cydia Impactor is a GUI tool for working with mobile devices. It has features already, but is still very much a work-in-progress. It is developed by saurik.
United States
AltStore is a alternative app store, while the App Store is... well, an app store that isn't alternative.