Comparison

JSON Tools vs Sutāto

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

JSON Tools

A comprehensive toolkit for developers to visualize, validate, convert, and generate code from JSON data. It offers features like interactive tree views, schema generation, and code export for multiple programming languages.

Highlights
  • Interactive Tree View and JSONPath querying
  • Convert JSON to XML, CSV, YAML, and more
  • Generate type-safe model classes for multiple languages
  • Auto-generate JSON Schema for validation
  • Dedicated JSON syntax keyboard overlay
  • Background processing for large datasets
Features
Read full description

The ultimate JSON toolkit for developers. Visualize, validate, convert, and generate code - all in one powerful, beautifully designed iOS app. JSON Tools is the professional-grade JSON utility built for developers who demand speed, precision, and versatility. Whether you're debugging API responses, prototyping data schemas, or generating type-safe model classes, JSON Tools handles it all natively on iPhone and iPad. Visualize & Explore Dive into your JSON with an interactive Tree View and JSONPath-powered querying. Use the Table View to inspect arrays like a spreadsheet. Rainbow column highlighting makes CSV/TSV output instantly readable. Format & Transform Prettify nested structures with smart indentation or strip whitespace with the Minify engine. Convert JSON to XML, CSV, TSV, TOML, YAML, HTML, Markdown, Base64, and more instantly. Generate Production-Ready Stub Code Export type-safe model classes for Dart, Swift, Kotlin, Java, Python, TypeScript, and C# with intelligent property singularization and pluralization. Stop writing boilerplate JSON Tools writes it for you. Validate with Confidence Auto-generate JSON Schema from any object, then validate payloads against it in real time. Catch errors before they reach production. Built for iOS A dedicated JSON syntax keyboard overlay, native Document Picker integration, and background processing keep the experience fast and fluid even on massive datasets.

About

Sutāto

Play classic NES and Gameboy games on your iPhone and iPad with this high-speed emulator. Enjoy an authentic experience with customizable filters, auto-save, and controller support. Discover game history with the integrated wiki.

Highlights
  • NES & Gameboy emulation
  • High speed and precision
  • Customizable video/audio filters
  • Auto-save functionality
  • Controller support
  • In-game wiki
Features
Read full description

Sutāto is the only emulator crafted specifically for playing NES and Gameboy games on your iPhone and iPad. With unparalleled speed and precision, Sutāto faithfully replicates nearly every aspect of the original hardware, delivering an authentic gaming experience like no other. FEATURES: Seamless usability: With an intuitive interface, Sutāto makes it effortless to navigate and start playing your favorite Gameboy and NES titles. Customization options: Tailor your experience with a variety of video and audio filters. Save at any moment: Resume your game from where you left off with auto-save functionality. Relive your classics: Enjoy your beloved NES and Gameboy favorites on your iOS device, whether you're on the go or relaxing at home. Controller Support: Connect your preferred controller for play with your favorite NES titles. Wiki in Game: Discover the History Behind Your Favorite Games. No ads: Sutāto is ad-free, ensuring uninterrupted gaming sessions without any limitations. Note: Sutāto and its developer(s) are not affiliated with, endorsed by, or connected to the companies that created the gaming console.

Screenshots

JSON Tools4 screens
Sutāto4 screens

Verdict

The call

The clearest difference is price: JSON Tools at $0.99 against Sutāto's $1.99. On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

JSON Tools costs $0.99 and Sutāto $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

JSON Tools ships an update every 10 days, Sutāto every 3 weeks. Both last shipped on September 19, 2026.

Scorecard1 real difference · 10 level
JSON Tools versus Sutāto: the parameters behind the verdict, then further details
ParameterJSON ToolsSutāto
Price$0.99 — better$1.99
Rating—4.0 (7 ratings) — better
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings—7 — better
Update frequencyEvery 10 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank#116 — better#169
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size30 MB27 MB
Age rating4+4+
DeveloperMohammed AadhilValentin Dreyfus

Customer experience

JSON Tools

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Sutāto

All ratings7 ratings
Positive71.4%
Neutral0.0%
Negative28.6%
Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

JSON Tools

No in-app purchases

None

Sutāto

No in-app purchases

Questions

Is JSON Tools free?
JSON Tools costs $0.99, with no in-app purchases.
Is Sutāto free?
Sutāto costs $1.99, with no in-app purchases.
Do JSON Tools or Sutāto have ads?
Neither JSON Tools nor Sutāto shows ads.
Which is updated more often, JSON Tools or Sutāto?
JSON Tools ships an update every 10 days, and Sutāto every 3 weeks. Most recently, JSON Tools was updated on September 19, 2026 and Sutāto on September 19, 2026.
Which is more popular, JSON Tools or Sutāto?
JSON Tools currently peaks at #116 in the App Store charts, and Sutāto at #169. Chart position reflects recent download velocity rather than total install base.

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