# App大学 (旧Flutter大学) vs HAP Studio

The clearest difference is review sentiment: HAP Studio at 100% against App大学 (旧Flutter大学)'s 33%. HAP Studio also leads on in-app purchases (none vs 5). App大学 (旧Flutter大学)'s advantage is iOS requirement (15.0 vs 26.0). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. App大学 (旧Flutter大学) sells 5 in-app purchases, starting at $19.99 per month. HAP Studio asks for nothing beyond the download.

App大学 (旧Flutter大学) ships an update every 2 weeks, HAP Studio weekly. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | App大学 (旧Flutter大学) | HAP Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hap-studio/id6777100398/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 124 MB | 22 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KBOY, LLC.](https://appshunter.io/developer/1121544040) | [YUI ATARASHI](https://appshunter.io/developer/1896682176) |

## What reviewers say

### App大学 (旧Flutter大学)

[App page](https://appshunter.io/ios/app/app-flutter/id1532391360)

This app offers a specialized learning community for mobile app development. It provides various learning plans and community features to help users master app creation.

**Highlights:** Mobile app development focus, Learning community, Specialized learning plans, Community features

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| コミュニティプラン | $19.99 | per month |
| 課題学習プラン | $39.99 | per month |
| AI修行プラン | $69.99 | per month |
| ライト修行プラン | $79.99 | per month |
| Flutter修行プラン | $99.99 | per month |


### 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


## Frequently asked questions

### Is App大学 (旧Flutter大学) free?

App大学 (旧Flutter大学) is free to download, with in-app purchases available.

### Is HAP Studio free?

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

### Do App大学 (旧Flutter大学) or HAP Studio have ads?

Neither App大学 (旧Flutter大学) nor HAP Studio shows ads.

### Which is updated more often, App大学 (旧Flutter大学) or HAP Studio?

App大学 (旧Flutter大学) ships an update every 2 weeks, and HAP Studio weekly. Most recently, App大学 (旧Flutter大学) was updated on October 16, 2026 and HAP Studio on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*