Best Json Apps

250+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated November 2026

The best json apps on iPhone average 4.1★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated November 2026.

Compare top Json Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1JaysonJaysonFree4.5★ (451)NoYesNov 2026
2Json Genie: JSON Editor/ViewerJson Genie: JSON Editor/ViewerFree4.7★ (7)YesYesNov 2026
3Json Viewer SimpleJson Viewer SimpleFree5.0★ (1)YesNoJun 2026
4Koder Code EditorKoder Code EditorFree4.6★ (12K)NoNoNov 2026
5JSON Viewer ‎JSON Viewer ‎Free1.0★ (2)NoNoOct 2026
6JSON Editor Viewer XML PDFJSON Editor Viewer XML PDFFree1.0★ (2)NoNoNov 2026
7Smart JSON & XML EditorSmart JSON & XML EditorFree5.0★ (1)NoNoOct 2026
8JSON UtilitiesJSON UtilitiesFree—NoNoOct 2026

Top Picks for Json

Jayson#1

Jayson by Simon B. Støvring

JSON editor with Shortcuts
4.5😊(451 ratings)
FreeIn-App Purchases
Jayson screenshot 1
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Jayson screenshot 6

This app allows you to view and edit JSON files directly on your device. It offers features like tabbed browsing, split-screen comparisons, and integration with Siri Shortcuts and the Share Sheet for easy JSON parsing and management.

What We Love

  • 👍 Elegant and intuitive JSON editing interface
  • 🎯 Perfect for FNF mod development and updates
  • 📱 Excellent iOS implementation with native feel
  • 🔧 Powerful JSON manipulation capabilities
  • ⚡ Great Shortcuts and URL scheme integration
  • 📂 Effective file navigation and viewing
  • ✨ Beautiful UI design and visual presentation
  • 🆓 Free core functionality available
  • 🎨 Tab support for multiple files
  • 💪 Lifesaver for developers and power users

Room to Improve

  • 🐛 Frequent crashes and instability issues
  • 🔋 High battery consumption and device heating
  • ❌ Missing search functionality
  • 📵 Safari browser support issues
  • 🔒 Limited free features, paywall for advanced options
  • ⚙️ Confusing UI navigation on iPhone
  • 🤔 Steep learning curve for some users
  • 📊 Poor performance with large files
  • 😞 Inadequate customer support and response times
Json Genie: JSON Editor/Viewer#2

Json Genie: JSON Editor/Viewer by Tommy Uytterhaegen

Open, read & edit JSON easily
Strong Contender
🛠️ Developer Tools
4.7(7 ratings)
FreeAdsIn-App Purchases
Json Genie: JSON Editor/Viewer screenshot 1
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Json Genie: JSON Editor/Viewer screenshot 6

This app provides a fast and private way to view, edit, compare, and merge JSON files directly on your device. It offers a clear tree structure for browsing, powerful search capabilities, and formatting options without needing an account or cloud upload.

More Json apps to explore

FAQ about Json

What are the best json apps for iPhone?
Jayson tops our json apps ranking as of November 2026, with a 4.5-star average from 451 App Store ratings, and it's free to download.
Yes — 20 of the top json apps we rank are free to download, including Jayson and Json Genie: JSON Editor/Viewer.
Jayson has no ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 250+ json apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.

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