# App大学 (旧Flutter大学) vs Binary Hex Number Converter

The clearest difference is device support: App大学 (旧Flutter大学) at 3 against Binary Hex Number Converter's 1. App大学 (旧Flutter大学) also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and in-app purchases 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 and Binary Hex Number Converter sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

App大学 (旧Flutter大学) ships an update every 2 weeks, Binary Hex Number Converter fortnightly. The most recent releases landed on September 30, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | App大学 (旧Flutter大学) | Binary Hex Number Converter |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Freemium | — |
| Size | 124 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KBOY, LLC.](https://appshunter.io/developer/1121544040) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## 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 |


### Binary Hex Number Converter

[App page](https://appshunter.io/ios/app/binary-hex-number-converter/id6772262684)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Yearly | $14.99 | per year |
| Lifetime Pro | $29.99 | one-time |


## 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 Binary Hex Number Converter free?

Binary Hex Number Converter is free to download, with in-app purchases available.

### Do App大学 (旧Flutter大学) or Binary Hex Number Converter have ads?

Neither App大学 (旧Flutter大学) nor Binary Hex Number Converter shows ads.

### Which is updated more often, App大学 (旧Flutter大学) or Binary Hex Number Converter?

App大学 (旧Flutter大学) ships an update every 2 weeks, and Binary Hex Number Converter fortnightly. Most recently, App大学 (旧Flutter大学) was updated on September 30, 2026 and Binary Hex Number Converter on October 9, 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.*