# Orthero Aligner vs AllergAI

The clearest difference is device support: Orthero Aligner at 3 against AllergAI's 1. Orthero Aligner also leads on iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases 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 | Orthero Aligner | AllergAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 44 MB | 9 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Orthero](https://appshunter.io/developer/1847871801) | [ADD Enterprises LLC](https://appshunter.io/developer/6780715697) |

## What reviewers say

### Orthero Aligner

[App page](https://appshunter.io/ios/app/orthero-aligner/id6754326157)

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

**In-app purchases:** none


### AllergAI

[App page](https://appshunter.io/ios/app/allergai/id6780715695)

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

**In-app purchases:** none


## Frequently asked questions

### Is Orthero Aligner free?

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

### Is AllergAI free?

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

### Do Orthero Aligner or AllergAI have ads?

Neither Orthero Aligner nor AllergAI 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.*