Json2Toon vs umcode
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Json2Toon
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Json2Toon converts JSON to TOON and back ā seamlessly. What is TOON? Token-Oriented Object Notation (TOON) is a compact, human-readable data format designed for LLM input. It combines YAML's clean structure with CSV-style tabular arrays to minimize tokens while maintaining clarity. In benchmarks, TOON achieves 40% fewer tokens and higher LLM accuracy than JSON. Why use Json2Toon? If you work with AI tools, APIs, or large datasets, you know tokens cost money and context windows have limits. TOON lets you pack more data into fewer tokens ā saving costs and improving results. Features ⢠Bidirectional conversion ā JSON to TOON and TOON to JSON ⢠Mixed content support ā paste text with embedded JSON/TOON blocks and convert only the structured data ⢠Syntax highlighting ā multiple color themes for readability ⢠Token counter ā see exactly how many tokens your data uses ⢠Keyboard shortcuts ā fast workflow with ā[ ā] ā§āV ā§āC ⢠Shortcuts integration ā build automation workflows on iOS and macOS ⢠Spotlight & Services ā convert data without leaving your current app (macOS) 100% Private All conversions happen locally on your device. No network requests, no data collection, no account required. Works completely offline.
umcode
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umcode turns coding into something kids can see, touch, and control. Drag colorful blocks to program real robots ā no typing required. Snap your code together, hit run, and watch your robot move, sense, and respond in real time. WHAT YOU CAN BUILD ⢠Program UCMAKE uKit & uBot robotics kits with easy drag-and-drop blocks ⢠Control motors, RGB lights, LED matrix, ultrasonic sensors and more ⢠Connect instantly over Bluetooth to your ESP32-powered robot POWERED BY AI ⢠AI Vision ā detect and react to the world through the camera ⢠Pose recognition ā control robots with body movements ⢠Gesture & hand recognition ā trigger actions with a wave or a sign ⢠Train your own custom pose and gesture classifiers TWO WAYS TO CODE ⢠Live Mode ā run blocks instantly and see results as you build ⢠Compile Mode ā flash full programs so your robot runs on its own MADE FOR LEARNING ⢠Step-by-step build tutorials and example projects ⢠Friendly visual interface designed for young makers ⢠Real-time variable monitoring to see how code works ⢠Multilingual support Whether in the classroom or at home, umcode makes STEM, robotics, and AI hands-on, creative, and fun. Snap together some blocks and bring your robot to life!
Screenshots
Verdict
The clearest difference is update cadence: umcode at fortnightly against Json2Toon's every 9 months. umcode also leads on iOS requirement (15.6 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Json2Toon ships an update every 9 months, umcode fortnightly. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.
| Parameter | Json2Toon | umcode |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 months | Fortnightly ā better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, Mac, Vision Pro ā better | iPhone, iPad, iPod |
| Requires iOS | 18.6 | 15.6 ā better |
| Further details ā not scored | ||
| Size | 32 MB | 241 MB |
| Age rating | 4+ | 4+ |
| Developer | amir hayek | ę·±å³åøę ę ę±ē½ē»ē§ęęéå ¬åø |
In-app purchases
Json2Toon
No in-app purchases
umcode
No in-app purchases









