# Batteries vs DuaLink

The clearest difference is update cadence: DuaLink at every 3 weeks against Batteries's every 5 months. Batteries's advantage is iOS requirement (12.0 vs 17.0). 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.

Batteries ships an update every 5 months, DuaLink every 3 weeks. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Batteries | DuaLink |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Size | 26 MB | 18 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [深圳市集智电子有限公司](https://appshunter.io/developer/1655111205) | [玺坤 李](https://appshunter.io/developer/1628794829) |

## What reviewers say

### Batteries

[App page](https://appshunter.io/ios/app/batteries/id6448932800)

**Features:** macOS Compatibility

**In-app purchases:** none


### DuaLink

[App page](https://appshunter.io/ios/app/dualink/id6780105243)

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

**In-app purchases:** none


## Frequently asked questions

### Is Batteries free?

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

### Is DuaLink free?

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

### Do Batteries or DuaLink have ads?

Neither Batteries nor DuaLink shows ads.

### Which is updated more often, Batteries or DuaLink?

Batteries ships an update every 5 months, and DuaLink every 3 weeks. Most recently, Batteries was updated on October 25, 2026 and DuaLink on October 29, 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.*