# Ametrine Newcastle vs AlignerPro

The clearest difference is in-app purchases: Ametrine Newcastle at none against AlignerPro's 1. Ametrine Newcastle also leads on iOS requirement (13.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. AlignerPro sells 1 one-off in-app purchase. Ametrine Newcastle asks for nothing beyond the download.

Ametrine Newcastle ships an update every 10 days, AlignerPro every 6 days. The most recent releases landed on October 13, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Ametrine Newcastle | AlignerPro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/alignerpro-aligner-tracker/id6809034720/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 6 days** |
| Monetization | — | Freemium |
| Size | 73 MB | 15 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Ametrine Aesthetics Ltd](https://appshunter.io/developer/1831976188) | [Brandon Curtis](https://appshunter.io/developer/6809034722) |

## What reviewers say

### Ametrine Newcastle

[App page](https://appshunter.io/ios/app/ametrine-newcastle/id6749766288)

**In-app purchases:** none


### AlignerPro

[App page](https://appshunter.io/ios/app/alignerpro-aligner-tracker/id6809034720)

This app helps users track their clear aligner and retainer wear time, progress, and appointments. It offers features like wear-time tracking, tray management, progress photos, and reminders to stay organized throughout orthodontic treatment.

**Highlights:** Wear-time and break tracking, Tray and retainer tracking, Progress photo capture, Calendar and appointment logging, Customizable reminders, Home Screen widgets and Live Activities

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AlignerPro Premium | $5.99 | one-time |


## Frequently asked questions

### Is Ametrine Newcastle free?

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

### Is AlignerPro free?

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

### Do Ametrine Newcastle or AlignerPro have ads?

Neither Ametrine Newcastle nor AlignerPro shows ads.

### Which is updated more often, Ametrine Newcastle or AlignerPro?

Ametrine Newcastle ships an update every 10 days, and AlignerPro every 6 days. Most recently, Ametrine Newcastle was updated on October 13, 2026 and AlignerPro on November 6, 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.*