# Json2Toon vs OBD2 Ninja

The clearest difference is price: Json2Toon at Free against OBD2 Ninja's $0.99. Json2Toon also leads on device support (4 vs 1). OBD2 Ninja's advantage is update cadence (every 3 days vs every 9 months). On ads, in-app purchases and iOS requirement there is nothing between them.

Json2Toon is free to download; OBD2 Ninja costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Json2Toon ships an update every 9 months, OBD2 Ninja every 3 days. The most recent releases landed on October 28, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Json2Toon | OBD2 Ninja |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 days** |
| Size | 32 MB | 3 MB |
| Requires iOS | 18.6 | **18.0** |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [amir hayek](https://appshunter.io/developer/845110506) | [Cory Green](https://appshunter.io/developer/1656262598) |

## What reviewers say

### Json2Toon

[App page](https://appshunter.io/ios/app/json2toon/id6755552709)

**In-app purchases:** none


### OBD2 Ninja

[App page](https://appshunter.io/ios/app/obd2-ninja-car-code-reader/id6794873767)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Json2Toon free?

Json2Toon is free to download, with no in-app purchases.

### Is OBD2 Ninja free?

OBD2 Ninja costs $0.99, with no in-app purchases.

### Do Json2Toon or OBD2 Ninja have ads?

Neither Json2Toon nor OBD2 Ninja shows ads.

### Which is updated more often, Json2Toon or OBD2 Ninja?

Json2Toon ships an update every 9 months, and OBD2 Ninja every 3 days. Most recently, Json2Toon was updated on October 28, 2026 and OBD2 Ninja on October 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*