# OrthoFlow vs Tray Harder

The clearest difference is rating: Tray Harder at 5.0 against OrthoFlow's 1.0. Tray Harder also leads on update cadence (every 3 weeks vs every 3 months). OrthoFlow's advantage is in-app purchases (none vs 1) and iOS requirement (15.1 vs 17.0). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. Tray Harder sells 1 one-off in-app purchase. OrthoFlow asks for nothing beyond the download.

Tray Harder holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

OrthoFlow ships an update every 3 months, Tray Harder every 3 weeks. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | OrthoFlow | Tray Harder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/orthoflow-aligner-tracker/id6758885625/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tray-harder-aligner-tracker/id6782674184/reviews)** |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 75 MB | 27 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [Devinbi](https://appshunter.io/developer/1840846742) | [Bari Halag](https://appshunter.io/developer/6782674186) |

## What reviewers say

### OrthoFlow

[App page](https://appshunter.io/ios/app/orthoflow-aligner-tracker/id6758885625)

This digital assistant helps users maintain consistency and discipline in their clear aligner treatments. It is designed to keep your treatment progress on track.

**Highlights:** Clear aligner treatment tracking, Digital assistant for discipline, Consistency monitoring, Treatment progress logging

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

**In-app purchases:** none


### Tray Harder

[App page](https://appshunter.io/ios/app/tray-harder-aligner-tracker/id6782674184)

Track your clear aligner wear time and stay on schedule with this privacy-focused app. It helps you meet daily wear goals, monitor tray changes, and capture your smile's transformation with progress photos. Gentle reminders and appointment logging ensure you stay on track with your orthodontic treatment.

**Highlights:** Track aligner wear time, Monitor tray change schedule, Progress photo capture, Gentle, customizable reminders, Appointment logging, Privacy-focused, no cloud storage

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tray Harder Pro | $4.99 | one-time |


## Frequently asked questions

### Is OrthoFlow free?

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

### Is Tray Harder free?

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

### Which has better reviews, OrthoFlow or Tray Harder?

Tray Harder is rated higher. OrthoFlow averages 1.0 out of 5 from 1 ratings, while Tray Harder averages 5.0 from 1 ratings.

### Do OrthoFlow or Tray Harder have ads?

Neither OrthoFlow nor Tray Harder shows ads.

### Which is updated more often, OrthoFlow or Tray Harder?

OrthoFlow ships an update every 3 months, and Tray Harder every 3 weeks. Most recently, OrthoFlow was updated on October 28, 2026 and Tray Harder on October 25, 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.*