# AlignerTracker vs Retainly

The clearest difference is iOS requirement: Retainly at 16.4 against AlignerTracker's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. AlignerTracker sells 2 in-app purchases, starting at $1.99 per month and Retainly sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | AlignerTracker | Retainly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/retainly-retainer-tracker/id6773165727/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 30 MB | 64 MB |
| Requires iOS | 18.6 | **16.4** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [TN-House](https://appshunter.io/developer/1886995196) | [Glenn Francis](https://appshunter.io/developer/1875693789) |

## What reviewers say

### AlignerTracker

[App page](https://appshunter.io/ios/app/alignertracker-all-in-one/id6766072961)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan (Monthly) | $1.99 | per month |
| Premium Plan (Yearly) | $19.99 | per year |


### Retainly

[App page](https://appshunter.io/ios/app/retainly-retainer-tracker/id6773165727)

This app helps you track your retainer wear time automatically, providing smart reminders and building consistent habits. Monitor your progress with weekly and monthly logs to stay accountable to your orthodontist's instructions.

**Highlights:** Automatic wear time tracking, Smart personalized reminders, Daily wear streak building, Weekly and monthly progress logs, Private and no account required

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $9.99 | one-time |


## Frequently asked questions

### Is AlignerTracker free?

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

### Is Retainly free?

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

### Do AlignerTracker or Retainly have ads?

Neither AlignerTracker nor Retainly shows ads.

### Which is updated more often, AlignerTracker or Retainly?

AlignerTracker ships an update weekly, and Retainly weekly. Most recently, AlignerTracker was updated on October 28, 2026 and Retainly on October 31, 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.*