# App大学 (旧Flutter大学) vs Unix Timer

The clearest difference is in-app purchases: Unix Timer at none against App大学 (旧Flutter大学)'s 5. Unix Timer also leads on update cadence (every 3 days vs every 9 days). App大学 (旧Flutter大学)'s advantage is iOS requirement (14.0 vs 18.5). On price, ads and device support 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. Unix Timer asks for nothing beyond the download.

App大学 (旧Flutter大学) ships an update every 9 days, Unix Timer every 3 days. The most recent releases landed on September 11, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | App大学 (旧Flutter大学) | Unix Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/unix-timer/id6748864910/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 3 days** |
| Monetization | Freemium | **Free** |
| Size | 123 MB | 1 MB |
| Requires iOS | **14.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [KBOY, LLC.](https://appshunter.io/developer/1121544040) | [Andrew Moloney](https://appshunter.io/developer/1263277493) |

## 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 |


### Unix Timer

[App page](https://appshunter.io/ios/app/unix-timer/id6748864910)

Instantly access the current Unix timestamp with a live, full-screen clock. Customize the display with animated themes and colors. This native iOS app is designed for developers needing a fast and accurate timestamp tool.

**Highlights:** Instant timestamp copy, Full-screen live clock, Animated themes and colors, Swipe to change theme, iPhone and iPad support

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

**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 Unix Timer free?

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

### Do App大学 (旧Flutter大学) or Unix Timer have ads?

Neither App大学 (旧Flutter大学) nor Unix Timer shows ads.

### Which is updated more often, App大学 (旧Flutter大学) or Unix Timer?

App大学 (旧Flutter大学) ships an update every 9 days, and Unix Timer every 3 days. Most recently, App大学 (旧Flutter大学) was updated on September 11, 2026 and Unix Timer on September 20, 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.*