# Evolvalign vs TrayZen

The clearest difference is rating: TrayZen at 2.5 against Evolvalign's 1.0. TrayZen also leads on update cadence (weekly vs every 4 weeks). Evolvalign's advantage is iOS requirement (16.1 vs 18.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

TrayZen holds the better App Store score, 2.5 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Evolvalign ships an update every 4 weeks, TrayZen weekly. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Evolvalign | TrayZen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/evolvalign/id6739777004/reviews) | **[2.5 (2 ratings)](https://appshunter.io/ios/app/trayzen-aligner-wear-timer/id6774695429/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Weekly** |
| Monetization | Free | Free |
| Size | 72 MB | 23 MB |
| Requires iOS | **16.1** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 4+ |
| Developer | [RISHANG JAIN](https://appshunter.io/developer/1786985967) | [Jakub Ruzicka](https://appshunter.io/developer/6774695791) |

## What reviewers say

### Evolvalign

[App page](https://appshunter.io/ios/app/evolvalign/id6739777004)

This app helps you track your daily aligner wear time, reminds you to change aligners, and allows you to capture and share progress photos with your doctor. Stay connected with your provider and monitor your treatment timeline for a smoother journey to your ideal smile.

**Highlights:** Daily aligner wear tracking, Personalized aligner change reminders, Capture and share progress photos, Secure doctor communication, Treatment timeline monitoring, Aligner wear insights

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

**In-app purchases:** none


### TrayZen

[App page](https://appshunter.io/ios/app/trayzen-aligner-wear-timer/id6774695429)

This app helps you track your clear aligner or retainer wear time. It features a visual progress ring, smart reminders, and an editable history to ensure you meet your daily goals. It also reminds you when it's time to change your aligners.

**Highlights:** One-tap timer with daily progress ring, Smart, pace-based reminders, Editable wear history, Aligner change schedule tracker, Offline functionality, No account required

**In-app purchases:** none


## Frequently asked questions

### Is Evolvalign free?

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

### Is TrayZen free?

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

### Which has better reviews, Evolvalign or TrayZen?

TrayZen is rated higher. Evolvalign averages 1.0 out of 5 from 1 ratings, while TrayZen averages 2.5 from 2 ratings.

### Do Evolvalign or TrayZen have ads?

Neither Evolvalign nor TrayZen shows ads.

### Which is updated more often, Evolvalign or TrayZen?

Evolvalign ships an update every 4 weeks, and TrayZen weekly. Most recently, Evolvalign was updated on October 13, 2026 and TrayZen on October 6, 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.*