# 快哥换电 vs 小哈同学

The clearest difference is update cadence: 快哥换电 at every 2 weeks against 小哈同学's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

快哥换电 ships an update every 2 weeks, 小哈同学 every 3 months. The most recent releases landed on September 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 快哥换电 | 小哈同学 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Size | 60 MB | 57 MB |
| Requires iOS | **12.0** | 12.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Jiangsu Kuaige New Energy Technology Co., Ltd.](https://appshunter.io/developer/1619757782) | [悦 高](https://appshunter.io/developer/1569584447) |

## What reviewers say

### 快哥换电

[App page](https://appshunter.io/ios/app/id6478735850)

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

**In-app purchases:** none


### 小哈同学

[App page](https://appshunter.io/ios/app/id6745002114)

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

**In-app purchases:** none


## Frequently asked questions

### Is 快哥换电 free?

快哥换电 is free to download, with no in-app purchases.

### Is 小哈同学 free?

小哈同学 is free to download, with no in-app purchases.

### Do 快哥换电 or 小哈同学 have ads?

Neither 快哥换电 nor 小哈同学 shows ads.

### Which is updated more often, 快哥换电 or 小哈同学?

快哥换电 ships an update every 2 weeks, and 小哈同学 every 3 months. Most recently, 快哥换电 was updated on September 24, 2026 and 小哈同学 on October 8, 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.*