# AppSphere vs Carku

The clearest difference is update cadence: Carku at weekly against AppSphere's every 3 weeks. 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.

AppSphere ships an update every 3 weeks, Carku weekly. The most recent releases landed on September 8, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | AppSphere | Carku |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 100 MB | 37 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Bairuisi Technology Co., Ltd.](https://appshunter.io/developer/1563684189) | [Shenzhen Carku Technology Co., Ltd.](https://appshunter.io/developer/1584274042) |

## What reviewers say

### AppSphere

[App page](https://appshunter.io/ios/app/appsphere/id1598490122)

**Features:** Apple Wallet

**In-app purchases:** none


### Carku

[App page](https://appshunter.io/ios/app/carku-battery/id6464281693)

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

**In-app purchases:** none


## Frequently asked questions

### Is AppSphere free?

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

### Is Carku free?

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

### Do AppSphere or Carku have ads?

Neither AppSphere nor Carku shows ads.

### Which is updated more often, AppSphere or Carku?

AppSphere ships an update every 3 weeks, and Carku weekly. Most recently, AppSphere was updated on September 8, 2026 and Carku on September 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.*