# Aligner Tracker vs EventHero Entry Scanner

The clearest difference is in-app purchases: EventHero Entry Scanner at none against Aligner Tracker's 9. EventHero Entry Scanner also leads on update cadence (every 9 days vs every 5 weeks). Aligner Tracker's advantage is iOS requirement (16.4 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Aligner Tracker sells 9 in-app purchases, starting at $1.99 per 7 days. EventHero Entry Scanner asks for nothing beyond the download.

Aligner Tracker ships an update every 5 weeks, EventHero Entry Scanner every 9 days. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Aligner Tracker | EventHero Entry Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (28 ratings)](https://appshunter.io/ios/app/aligner-tracker-traytrack/id6753336549/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Monetization | Freemium | — |
| Size | 103 MB | 5 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [RSApps Nordics](https://appshunter.io/developer/1745539685) | [EVENHERO LTD](https://appshunter.io/developer/6780015861) |

## What reviewers say

### Aligner Tracker

[App page](https://appshunter.io/ios/app/aligner-tracker-traytrack/id6753336549)

This app helps you track your clear aligner wear time with an intuitive timer and provides reminders for switching to the next tray. It visually displays your progress towards achieving a straighter smile, simplifying your orthodontic journey.

**Highlights:** Intuitive wear time tracking, Smart push notification reminders, Calendar view for tray schedule, Apple Watch app integration, Siri Shortcuts support, Lock screen and Home screen widgets, Live Activity support

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus | $1.99 | per 7 days |
| Plus | $4.99 | per month |
| Plus | $19.99 | per year |
| Plus | $24.99 | per year |
| Plus | $29.99 | per year |
| Plus | $34.99 | per year |
| Plus | $34.99 | per year |
| TrayTrack Plus | $29.99 | one-time |
| TrayTrack Plus | $59.99 | one-time |


### EventHero Entry Scanner

[App page](https://appshunter.io/ios/app/eventhero-entry-scanner/id6780015859)

**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 EventHero Entry Scanner free?

EventHero Entry Scanner is free to download, with no in-app purchases.

### Do Aligner Tracker or EventHero Entry Scanner have ads?

Neither Aligner Tracker nor EventHero Entry Scanner shows ads.

### Which is updated more often, Aligner Tracker or EventHero Entry Scanner?

Aligner Tracker ships an update every 5 weeks, and EventHero Entry Scanner every 9 days. Most recently, Aligner Tracker was updated on October 17, 2026 and EventHero Entry Scanner 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.*