# TrayTime vs 22 Hours

The clearest difference is in-app purchases: 22 Hours at none against TrayTime's 1. TrayTime's advantage is rating (4.1 vs 3.7) and ratings volume (40 vs 3). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. TrayTime sells 1 one-off in-app purchase. 22 Hours asks for nothing beyond the download.

TrayTime holds the better App Store score, 4.1 against 3.7. That said, the two scores are not equally well evidenced: TrayTime has 40 ratings behind it against 3, so its average is the more settled of the two.

TrayTime ships an update every 5 weeks, 22 Hours monthly. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | TrayTime | 22 Hours |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (40 ratings)](https://appshunter.io/ios/app/traytime/id1250940516/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/22-hours-aligner-tracker/id6764899476/reviews) |
| Number of ratings | **40** | 3 |
| Positive reviews | 70.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 35 MB | 19 MB |
| Requires iOS | **10.3** | 17.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Pocketglow LLC](https://appshunter.io/developer/1497555859) | [Gazewing LLC](https://appshunter.io/developer/1895955102) |

## What reviewers say

### TrayTime

[App page](https://appshunter.io/ios/app/traytime/id1250940516)

This app helps Invisalign users track their aligner wear time with a simple interface. It allows easy starting, stopping, and editing of timer events, with visual history to monitor progress towards daily goals. An Apple Watch app and complication offer convenient on-the-go tracking.

**Highlights:** Single-tap timer start/stop, View 'Time On' and 'Time Off', Edit past timer events, Visual history of usage trends, Configurable daily goal, Apple Watch app and complication, Track current tray number

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TrayTime Full Version | $1.99 | one-time |


### 22 Hours

[App page](https://appshunter.io/ios/app/22-hours-aligner-tracker/id6764899476)

This app helps users track their clear aligner wear time accurately. It provides simple one-tap logging for aligner insertion and removal, offering insights into daily progress, streaks, and treatment history. The app also includes helpful reminders and progress photo capabilities.

**Highlights:** One-tap aligner wear logging, Daily out-time budget visualization, Streak tracking for goal achievement, Detailed stats and treatment history, Customizable reminders for aligner changes, Progress photo capture and management, Siri integration for hands-free logging

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TrayTime free?

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

### Is 22 Hours free?

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

### Which has better reviews, TrayTime or 22 Hours?

TrayTime is rated higher. TrayTime averages 4.1 out of 5 from 40 ratings, while 22 Hours averages 3.7 from 3 ratings.

### Do TrayTime or 22 Hours have ads?

Neither TrayTime nor 22 Hours shows ads.

### Which is updated more often, TrayTime or 22 Hours?

TrayTime ships an update every 5 weeks, and 22 Hours monthly. Most recently, TrayTime was updated on October 13, 2026 and 22 Hours on October 12, 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.*