# Aligner Track vs Fit4Blast

The clearest difference is update cadence: Aligner Track at every 3 weeks against Fit4Blast's every 7 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Aligner Track ships an update every 3 weeks, Fit4Blast every 7 months. The most recent releases landed on October 15, 2026 and September 2, 2026 respectively.

## The numbers

| Metric | Aligner Track | Fit4Blast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (298 ratings)](https://appshunter.io/ios/app/aligner-track/id6742465666/reviews)** | — |
| Number of ratings | **298** | — |
| Positive reviews | 91.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 7 months |
| Monetization | Free | — |
| Size | 280 MB | 55 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [ALIGNER TRACKER (PRIVATE) LIMITED](https://appshunter.io/developer/1715346902) | [Momence, Inc.](https://appshunter.io/developer/1577856011) |

## 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


### Fit4Blast

[App page](https://appshunter.io/ios/app/fit4blast/id6757719730)

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

**In-app purchases:** none


## Frequently asked questions

### Is Aligner Track free?

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

### Is Fit4Blast free?

Fit4Blast is free to download, with no in-app purchases.

### Do Aligner Track or Fit4Blast have ads?

Neither Aligner Track nor Fit4Blast shows ads.

### Which is updated more often, Aligner Track or Fit4Blast?

Aligner Track ships an update every 3 weeks, and Fit4Blast every 7 months. Most recently, Aligner Track was updated on October 15, 2026 and Fit4Blast on September 2, 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.*