# Aligner Track vs SmileRetainr

The clearest difference is rating: SmileRetainr at 5.0 against Aligner Track's 4.5. SmileRetainr also leads on review sentiment (100% vs 91%). Aligner Track's advantage is in-app purchases (none vs 4) and ratings volume (300 vs 2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SmileRetainr sells 4 in-app purchases, starting at $0.99 per month. Aligner Track asks for nothing beyond the download.

SmileRetainr holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Aligner Track has 300 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 91% of Aligner Track's written reviews are positive against 100% of SmileRetainr's.

Aligner Track ships an update every 3 weeks, SmileRetainr every 2 weeks. The most recent releases landed on September 21, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Aligner Track | SmileRetainr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (300 ratings)](https://appshunter.io/ios/app/aligner-track/id6742465666/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/smileretainr-retainer-tracker/id6743392986/reviews)** |
| Number of ratings | **300** | 2 |
| Positive reviews | 91.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | **Free** | Freemium |
| Size | 265 MB | 2 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [ALIGNER TRACKER (PRIVATE) LIMITED](https://appshunter.io/developer/1715346902) | [楚毅 苏](https://appshunter.io/developer/1799476348) |

## What reviewers say

### Aligner Track

[App page](https://appshunter.io/ios/app/aligner-track/id6742465666)

Monitor your clear aligner treatment journey with this app. It provides a visual overview of your progress, tracks aligner wear, and offers reminders for changes. Communicate with your provider and store progress photos.

**Highlights:** 3D treatment visualization, Direct in-app chat with provider, Aligner wear time tracking, Calendar for aligner changes, Photo gallery for progress, Wear time reminders

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

**In-app purchases:** none

**What reviewers like**

- 👍 Patient and helpful staff
- 👍 Smooth and successful impression process
- 👍 Clear and informative guidance
- 👍 Friendly and professional service


### SmileRetainr

[App page](https://appshunter.io/ios/app/smileretainr-retainer-tracker/id6743392986)

This app helps retainer wearers track their usage and set daily goals. It provides smart reminders to ensure consistent wear and protect orthodontic results. Maintain your smile with this easy-to-use tracking tool.

**Highlights:** Track retainer wear time, Set daily wear goals, Smart wear reminders, View wear history, Safeguard orthodontic results

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SmileRetainr Pro Monthly | $0.99 | per month |
| SmileRetainr Pro Annual | $6.99 | per year |
| SmileRetainr Pro Lifetime | $2.99 | one-time |
| SmileRetainr Pro Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Aligner Track free?

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

### Is SmileRetainr free?

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

### Which has better reviews, Aligner Track or SmileRetainr?

SmileRetainr is rated higher. Aligner Track averages 4.5 out of 5 from 300 ratings, while SmileRetainr averages 5.0 from 2 ratings.

### Do Aligner Track or SmileRetainr have ads?

Neither Aligner Track nor SmileRetainr shows ads.

### Which is updated more often, Aligner Track or SmileRetainr?

Aligner Track ships an update every 3 weeks, and SmileRetainr every 2 weeks. Most recently, Aligner Track was updated on September 21, 2026 and SmileRetainr on September 9, 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.*