# AlignerLog vs Traybook

The clearest difference is in-app purchases: AlignerLog at none against Traybook's 1. AlignerLog also leads on update cadence (every 4 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Traybook sells 1 one-off in-app purchase. AlignerLog asks for nothing beyond the download.

AlignerLog ships an update every 4 days, Traybook every 2 weeks. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | AlignerLog | Traybook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Size | 38 MB | 6 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MIKI CHINEN](https://appshunter.io/developer/6783383280) | [RAINBOW TREE LLC](https://appshunter.io/developer/1619997282) |

## What reviewers say

### AlignerLog

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

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

**In-app purchases:** none


### Traybook

[App page](https://appshunter.io/ios/app/traybook-aligner-tracker/id6796242817)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kyosei Kiroku Pro | $5.99 | one-time |


## Frequently asked questions

### Is AlignerLog free?

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

### Is Traybook free?

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

### Do AlignerLog or Traybook have ads?

Neither AlignerLog nor Traybook shows ads.

### Which is updated more often, AlignerLog or Traybook?

AlignerLog ships an update every 4 days, and Traybook every 2 weeks. Most recently, AlignerLog was updated on October 5, 2026 and Traybook on October 8, 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.*