# Pry JSON Viewer vs Aligner Tracker

The clearest difference is device support: Pry JSON Viewer at 3 against Aligner Tracker's 1. On price, ads, in-app purchases 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.

## The numbers

| Metric | Pry JSON Viewer | Aligner Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 6 weeks |
| Size | 49 MB | 3 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Skelpo GmbH](https://appshunter.io/developer/375140818) | [Feiyu Chang](https://appshunter.io/developer/1492595678) |

## What reviewers say

### Pry JSON Viewer

[App page](https://appshunter.io/ios/app/pry-json-viewer/id6759329040)

**Features:** Vision Pro support

**In-app purchases:** none


### Aligner Tracker

[App page](https://appshunter.io/ios/app/aligner-tracker-ac/id6776087674)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pry JSON Viewer free?

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

### Is Aligner Tracker free?

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

### Do Pry JSON Viewer or Aligner Tracker have ads?

Neither Pry JSON Viewer nor Aligner Tracker shows ads.

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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.*