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Best Api Keys Apps

250+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated August 2026

The best api keys apps on iPhone average 4.5★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.

Compare top Api Keys Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Cumbersome: AI LLM API ClientCumbersome: AI LLM API ClientFree4.9★ (66)NoNoSep 2026
2Keys TesterKeys TesterFree—NoNoAug 2026
3Tester - Code, API, TerminalTester - Code, API, TerminalFree4.7★ (565)NoYesSep 2026
4LLM API RequestLLM API RequestFree—NoYesJun 2026
5KeyNest - AI API Key ManagerKeyNest - AI API Key ManagerFree—NoYesAug 2026
6KeyAuth LLCKeyAuth LLCFree4.0★ (4)NoNoJun 2026
7HTTPBot: API & HTTP ClientHTTPBot: API & HTTP ClientFree4.5★ (1.3K)NoYesSep 2026
8REST API ClientREST API ClientFree4.3★ (6)YesYesSep 2026

Top Picks for Api Keys

Cumbersome: AI LLM API Client#1

Cumbersome: AI LLM API Client by Folding Sky Co

API to ChatGPT, OpenAI, Ollama
Editor's Choice
📊 Productivity
4.9(66 ratings)
Free
Cumbersome: AI LLM API Client screenshot 1
Cumbersome: AI LLM API Client screenshot 2
Cumbersome: AI LLM API Client screenshot 3
Cumbersome: AI LLM API Client screenshot 4
Cumbersome: AI LLM API Client screenshot 5
Cumbersome: AI LLM API Client screenshot 6

Connect directly to AI provider APIs for greater control over model selection and parameters. Compare different AI models, pay per use, and customize responses with advanced features. Supports multiple providers and custom endpoints.

Tester - Code, API, Terminal#3

Tester - Code, API, Terminal by FJEDI

Developer AI Agent, Any Task
Worth Considering
🛠️ Developer Tools
4.7😊(565 ratings)
FreeIn-App Purchases
Tester - Code, API, Terminal screenshot 1
Tester - Code, API, Terminal screenshot 2
Tester - Code, API, Terminal screenshot 3
Tester - Code, API, Terminal screenshot 4
Tester - Code, API, Terminal screenshot 5
Tester - Code, API, Terminal screenshot 6

Test various APIs directly from your mobile device. Supports REST, GraphQL, WebSockets, and more, with advanced editors and request customization. Share requests easily and manage cookies and history.

What We Love

  • 👍 User-friendly and modern UI
  • 🚀 Comprehensive and intuitive
  • 🔓 No in-app purchases
  • 🛠️ All-in-one dev tool

Room to Improve

  • 🐛 Crashes and data loss after updates
  • 🔍 Lack of cloud backup/sync
  • 🔧 Difficult to manage requests/collections

More Api Keys apps to explore

FAQ about Api Keys

What are the best api keys apps for iPhone?
Cumbersome: AI LLM API Client tops our api keys apps ranking as of August 2026, with a 4.9-star average from 66 App Store ratings, and it's free to download.
Yes — 19 of the top api keys apps we rank are free to download, including Cumbersome: AI LLM API Client and Keys Tester.
Cumbersome: AI LLM API Client has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 250+ api keys apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Yes, Cumbersome requires you to bring your own API keys from providers like OpenAI, Anthropic, Google AI Studio, or use an OpenAI-compatible endpoint. You pay the providers directly for API access.
Cumbersome offers direct API access, allowing you to choose specific models and pay per use, unlike subscription apps that may route requests to cheaper models and hide technical controls.

Related searches

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