# Jayson vs AppLovin Exchange Test App

The clearest difference is review sentiment: Jayson at 81% against AppLovin Exchange Test App's 0%. Jayson also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). AppLovin Exchange Test App's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 26.0). On price and device support there is nothing between them.

Both are free to download. Jayson sells 1 one-off in-app purchase. AppLovin Exchange Test App asks for nothing beyond the download.

Jayson ships an update every 3 weeks, AppLovin Exchange Test App every 2 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Jayson | AppLovin Exchange Test App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (445 ratings)](https://appshunter.io/ios/app/jayson/id1447750768/reviews)** | — |
| Number of ratings | **445** | — |
| Positive reviews | **80.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Best chart rank | **#84** | — |
| Size | 41 MB | 14 MB |
| Requires iOS | 26.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Simon B. Støvring](https://appshunter.io/developer/423532907) | [AppLovin Corp](https://appshunter.io/developer/463970272) |

## What reviewers say

### Jayson

[App page](https://appshunter.io/ios/app/jayson/id1447750768)

**Currently charting:** #84 Top Grossing · Developer Tools, #89 Top Free · Developer Tools (US App Store)

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.

**Highlights:** Browse JSON files, Table or syntax highlighted text view, Tabbed interface, Multiple splits for comparison, Siri Shortcuts integration, Share Sheet Actions, URL schemes

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Everything | $4.99 | one-time |

**What reviewers like**

- 👍 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

**What reviewers complain about**

- 🐛 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

**Reported bugs**

- App crashes when opening large JSON files (89MB+)
- Crashes on regular use despite functionality
- Device freezing for extended periods
- Safari compatibility broken in recent updates
- Navigation back through JSON structure is unreliable

**Requested features**

- Search/find functionality within files
- JSON editing and modification capabilities
- XML format support
- Split-view for comparing different arrays
- Export functionality for edited JSON


### AppLovin Exchange Test App

[App page](https://appshunter.io/ios/app/applovin-exchange-test-app/id1590263203)

This application allows AppLovin Exchange DSP partners to test ad rendering. It supports testing with current setups or custom oRTB responses, ensuring seamless integration.

**Highlights:** Ad rendering testing, AppLovin Exchange DSP integration, SDK testing, Custom oRTB response support, Global reach expansion

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Jayson free?

Jayson is free to download, with in-app purchases available.

### Is AppLovin Exchange Test App free?

AppLovin Exchange Test App is free to download, with no in-app purchases.

### Do Jayson or AppLovin Exchange Test App have ads?

AppLovin Exchange Test App shows ads; Jayson does not.

### Which is updated more often, Jayson or AppLovin Exchange Test App?

Jayson ships an update every 3 weeks, and AppLovin Exchange Test App every 2 months. Most recently, Jayson was updated on October 29, 2026 and AppLovin Exchange Test App on October 30, 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.*