# SynthDet Viewer vs AppLovin Exchange Test App

The clearest difference is ads: SynthDet Viewer at none against AppLovin Exchange Test App's shown. SynthDet Viewer also leads on update cadence (every 2 days vs every 2 months) and review sentiment (25% vs 0%). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SynthDet Viewer ships an update every 2 days, AppLovin Exchange Test App every 2 months. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SynthDet Viewer | AppLovin Exchange Test App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **25.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 2 months |
| Monetization | **Free** | Ad-supported |
| Size | 31 MB | 14 MB |
| Requires iOS | 13.4 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Unity Technologies ApS](https://appshunter.io/developer/305967445) | [AppLovin Corp](https://appshunter.io/developer/463970272) |

## What reviewers say

### SynthDet Viewer

[App page](https://appshunter.io/ios/app/synthdet-viewer/id1528361585)

Visualize object detection model results in augmented reality. This tool allows for real-world data analysis and COCO exporting for the SynthDet project.

**Highlights:** Augmented reality visualization, Object detection results display, COCO exporting, Real-world data analysis, SynthDet project integration

**In-app purchases:** none


### 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 SynthDet Viewer free?

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

### Is AppLovin Exchange Test App free?

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

### Do SynthDet Viewer or AppLovin Exchange Test App have ads?

AppLovin Exchange Test App shows ads; SynthDet Viewer does not.

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

SynthDet Viewer ships an update every 2 days, and AppLovin Exchange Test App every 2 months. Most recently, SynthDet Viewer was updated on October 25, 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.*