Best That Open Platform Apps & Games

45+ iOS apps & games curated and reviewed

4.0 avg rating
20 free apps & games
Updated May 2026

If you already know Claude by Anthropic, this is the deeper bench. 45+ that open platform apps and games for iPhone, all reviewed and ranked by user rating, recency, and download trend as of May 2026.

Compare top That Open Platform Apps & Games (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Claude by AnthropicClaude by AnthropicFree4.7★ (283K)NoYesOct 2026
2That Open PeopleThat Open PeopleFree5.0★ (1)NoNoAug 2026
3Open SourceOpen SourceFree3.7★ (3)NoNoMay 2026
4Playdead's INSIDEPlaydead's INSIDEFree4.4★ (31K)NoYesOct 2026
5Tradly Platform - PrototypeTradly Platform - PrototypeFree5.0★ (1)NoNoMay 2026
6ChatGPTChatGPTFree4.8★ (11M)YesYesOct 2026
7OpenClient for OpenCodeOpenClient for OpenCodeFree4.0★ (6)NoYesOct 2026
8Happier - Remote Claude, CodexHappier - Remote Claude, CodexFree4.4★ (10)NoNoOct 2026

Top Picks for That Open Platform

Claude by Anthropic#1

Claude by Anthropic by Anthropic PBC

AI assistant for life and work
Editor's Choice
📊 Productivity
4.7😊(283K ratings)
FreeIn-App Purchases
#2in Productivity
Claude by Anthropic screenshot 1
Claude by Anthropic screenshot 2
Claude by Anthropic screenshot 3
Claude by Anthropic screenshot 4
Claude by Anthropic screenshot 5
Claude by Anthropic screenshot 6

This AI assistant helps you write, research, code, and solve complex problems. It can analyze documents, code, and images, and even respond to voice commands. Expand your capabilities and tackle new projects with this intelligent thinking partner.

What We Love

  • 🚀 Powerful and versatile AI assistant
  • 👍 Intuitive and easy to use interface
  • 💡 Innovative features like 'Projects'
  • 🤖 Intelligent and thoughtful responses
  • 📚 Comprehensive knowledge base
  • 🔍 Helpful for a wide range of tasks

Room to Improve

  • 🔒 Concerns about privacy and data usage
  • 🚫 Limitations on free usage and throttling
  • 🐛 Occasional bugs and crashes
  • 🙅‍♀️ Overly restrictive content policies
  • 🤖 Lack of true conversational abilities
3.7(3 ratings)
Free
Open Source screenshot 1

This open-source application serves as a platform for developers to showcase and test innovative technologies. It allows for self-promotion of new features and provides a space to contribute and view demo projects.

More That Open Platform apps to explore

FAQ about That Open Platform

What are the best that open platform apps & games for iPhone?
Claude by Anthropic tops our that open platform apps & games ranking as of May 2026, with a 4.7-star average from 283K App Store ratings, and it's free to download.
Yes — 20 of the top that open platform apps & games we rank are free to download, including Claude by Anthropic and That Open People.
Claude by Anthropic has no ads and offers in-app purchases, according to its App Store listing as of May 2026.
We track 45+ that open platform apps & games on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.