# 稳了! vs iFellowU

The clearest difference is in-app purchases: iFellowU at none against 稳了!'s 1. 稳了!'s advantage is update cadence (daily vs every 5 days) and iOS requirement (13.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. 稳了! sells 1 in-app purchase, starting at $2.99 per month. iFellowU asks for nothing beyond the download.

稳了! ships an update daily, iFellowU every 5 days. The most recent releases landed on October 19, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 稳了! | iFellowU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 days |
| Size | 30 MB | 220 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [探渊科技](https://appshunter.io/developer/1814267710) | [Hefei Jiuyu Wonton Technology Co., Ltd](https://appshunter.io/developer/1868267719) |

## What reviewers say

### 稳了!

[App page](https://appshunter.io/ios/app/ai/id6754680276)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度订阅 | $2.99 | per month |


### iFellowU

[App page](https://appshunter.io/ios/app/ifellowu-study-smarter/id6757684258)

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

**In-app purchases:** none


## Frequently asked questions

### Is 稳了! free?

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

### Is iFellowU free?

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

### Do 稳了! or iFellowU have ads?

Neither 稳了! nor iFellowU shows ads.

### Which is updated more often, 稳了! or iFellowU?

稳了! ships an update daily, and iFellowU every 5 days. Most recently, 稳了! was updated on October 19, 2026 and iFellowU on October 25, 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.*