# BlackFox vs Traylo

The clearest difference is in-app purchases: BlackFox at none against Traylo's 1. BlackFox also leads on iOS requirement (13.4 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

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

BlackFox ships an update every 3 weeks, Traylo fortnightly. The most recent releases landed on September 9, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | BlackFox | Traylo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/traylo-aligner-tracker/id6771505845/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 28 MB | 10 MB |
| Requires iOS | **13.4** | 18.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Fitbase](https://appshunter.io/developer/1530906929) | [Arseniy Zlobin](https://appshunter.io/developer/1018725119) |

## What reviewers say

### BlackFox

[App page](https://appshunter.io/ios/app/blackfox/id1607957334)

**Features:** macOS Compatibility

**In-app purchases:** none


### Traylo

[App page](https://appshunter.io/ios/app/traylo-aligner-tracker/id6771505845)

Track your clear aligner wear time and progress with this companion app. It helps you remember when to change aligners, provides detailed statistics, and allows you to store visual records of your bite changes. Designed for ease of use, it supports your treatment plan consistency.

**Highlights:** Track daily aligner wear time, Progress photos and bite change records, Reminders for aligner changes, Detailed wear statistics, Home Screen and Lock Screen widgets, Apple Watch integration

**Features:** Family Sharing, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Traylo Full Version | $5.99 | one-time |


## Frequently asked questions

### Is BlackFox free?

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

### Is Traylo free?

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

### Do BlackFox or Traylo have ads?

Neither BlackFox nor Traylo shows ads.

### Which is updated more often, BlackFox or Traylo?

BlackFox ships an update every 3 weeks, and Traylo fortnightly. Most recently, BlackFox was updated on September 9, 2026 and Traylo on September 24, 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.*