# HAP Studio vs Trackshund

The clearest difference is monetization model: Trackshund at free against HAP Studio's free with in-app purchases. Trackshund also leads on update cadence (every 2 days vs weekly) and ratings volume (3 vs 1). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for HAP Studio against 5.0 for Trackshund. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

HAP Studio ships an update weekly, Trackshund every 2 days. The most recent releases landed on September 21, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | HAP Studio | Trackshund |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/hap-studio/id6777100398/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/trackshund/id6797996172/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 22 MB | 13 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [YUI ATARASHI](https://appshunter.io/developer/1896682176) | [Noah Nethery](https://appshunter.io/developer/1560869923) |

## What reviewers say

### HAP Studio

[App page](https://appshunter.io/ios/app/hap-studio/id6777100398)

Design and learn about haptics with an intuitive visual editor or AI. Generate custom haptic feedback for apps and export in various formats. Access a library of pre-made haptics and educational content.

**Highlights:** Visual haptic editor, AI-generated haptics, Lottie JSON import, Real-time preview, Swift, AHAP, JSON export, Haptic library, Educational content

**In-app purchases:** none


### Trackshund

[App page](https://appshunter.io/ios/app/trackshund/id6797996172)

This app provides an elegant, native iOS client for monitoring MLflow experiments. It transforms training runs, metrics, and models into an intuitive experience, offering real-time updates, offline access, and intelligent insights.

**Highlights:** Real-time run monitoring, Native metric visualization, Side-by-side run comparison, AI-generated run summaries, Customizable alerts, Model registry management, Offline data access

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

**In-app purchases:** none


## Frequently asked questions

### Is HAP Studio free?

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

### Is Trackshund free?

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

### Which has better reviews, HAP Studio or Trackshund?

HAP Studio and Trackshund are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do HAP Studio or Trackshund have ads?

Neither HAP Studio nor Trackshund shows ads.

### Which is updated more often, HAP Studio or Trackshund?

HAP Studio ships an update weekly, and Trackshund every 2 days. Most recently, HAP Studio was updated on September 21, 2026 and Trackshund 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.*