# Aligner Tracker vs AlignerLog

The clearest difference is in-app purchases: AlignerLog at none against Aligner Tracker's 6. AlignerLog also leads on iOS requirement (16.4 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Aligner Tracker sells 6 in-app purchases, starting at $4.99 per month. AlignerLog asks for nothing beyond the download.

Aligner Tracker ships an update every 5 days, AlignerLog weekly. The most recent releases landed on October 31, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Aligner Tracker | AlignerLog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Freemium | — |
| Size | 59 MB | 38 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NOMADIX APPS LLC](https://appshunter.io/developer/1798696474) | [MIKI CHINEN](https://appshunter.io/developer/6783383280) |

## What reviewers say

### Aligner Tracker

[App page](https://appshunter.io/ios/app/aligner-tracker-trayhabit/id6760241722)

This app helps you track clear aligner wear time and reminds you to switch trays on schedule. It offers one-tap timing, progress visualization, and gentle nudges to ensure treatment adherence. Designed for privacy, your data stays on your device.

**Highlights:** One-tap aligner wear timer, Daily wear time goal tracking, Automatic overnight session splitting, Switch day reminders, Gentle nudges for extended tray removal, Progress calendar and statistics, Streak building and achievements

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TrayHabit Pro Monthly | $4.99 | per month |
| TrayHabit Pro Family Monthly | $6.49 | per month |
| TrayHabit Pro Yearly | $35.99 | per year |
| TrayHabit Pro Family Yearly | $46.99 | per year |
| Lifetime | $99.90 | one-time |
| Family Lifetime | $129.99 | one-time |


### AlignerLog

[App page](https://appshunter.io/ios/app/alignerlog/id6786747605)

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

**In-app purchases:** none


## Frequently asked questions

### Is Aligner Tracker free?

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

### Is AlignerLog free?

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

### Do Aligner Tracker or AlignerLog have ads?

Neither Aligner Tracker nor AlignerLog shows ads.

### Which is updated more often, Aligner Tracker or AlignerLog?

Aligner Tracker ships an update every 5 days, and AlignerLog weekly. Most recently, Aligner Tracker was updated on October 31, 2026 and AlignerLog on October 22, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*