# Aligner Tracker App vs SmileRetainr

The clearest difference is rating: SmileRetainr at 5.0 against Aligner Tracker App's 3.8. SmileRetainr also leads on review sentiment (100% vs 68%). Aligner Tracker App's advantage is in-app purchases (none vs 4) and ratings volume (181 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 Tracker App asks for nothing beyond the download.

SmileRetainr holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Aligner Tracker App has 181 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 68% of Aligner Tracker App's written reviews are positive against 100% of SmileRetainr's.

Aligner Tracker App ships an update every 3 weeks, SmileRetainr every 2 weeks. The most recent releases landed on September 26, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Aligner Tracker App | SmileRetainr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (181 ratings)](https://appshunter.io/ios/app/aligner-tracker-app/id6443588017/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/smileretainr-retainer-tracker/id6743392986/reviews)** |
| Number of ratings | **181** | 2 |
| Positive reviews | 68.1% 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 | 167 MB | 2 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [ALIGNER TRACKER (PRIVATE) LIMITED](https://appshunter.io/developer/1715346902) | [楚毅 苏](https://appshunter.io/developer/1799476348) |

## What reviewers say

### Aligner Tracker App

[App page](https://appshunter.io/ios/app/aligner-tracker-app/id6443588017)

Monitor your clear aligner treatment progress with a 3D model viewer and a progress tracker. Upload photos, track wear time, and receive reminders for aligner changes. Communicate with your provider and view your treatment timeline.

**Highlights:** 3D teeth model viewer (before/after), Treatment progress tracking, Photo gallery for aligner stages, Calendar for aligner changes, Wear time reminders, In-app communication

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Great aligners at affordable cost
- 👍 Convenient and helpful app
- 👍 Excellent customer service and support
- 👍 Easy and smooth impression process

**What reviewers complain about**

- 🐛 App is extremely slow and laggy
- 🐛 App is not user-friendly and has poor design
- 🐛 Delayed and poor communication
- 🐛 Aligners did not fix teeth as promised
- 🐛 Difficult to get refunds or resolve issues

**Reported bugs**

- App login and password reset issues
- Inability to track progress and upload photos
- Misalignment between app and actual treatment

**Requested features**

- Improve app performance and stability
- Enhance user interface and experience
- Provide better communication and transparency
- Streamline the refund and issue resolution process


### 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 Tracker App free?

Aligner Tracker App 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 Tracker App or SmileRetainr?

SmileRetainr is rated higher. Aligner Tracker App averages 3.8 out of 5 from 181 ratings, while SmileRetainr averages 5.0 from 2 ratings.

### Do Aligner Tracker App or SmileRetainr have ads?

Neither Aligner Tracker App nor SmileRetainr shows ads.

### Which is updated more often, Aligner Tracker App or SmileRetainr?

Aligner Tracker App ships an update every 3 weeks, and SmileRetainr every 2 weeks. Most recently, Aligner Tracker App was updated on September 26, 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.*