# HaiPower vs DuLink

The clearest difference is update cadence: DuLink at fortnightly against HaiPower's monthly. 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.

HaiPower ships an update monthly, DuLink fortnightly. The most recent releases landed on September 8, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | HaiPower | DuLink |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Size | 65 MB | 61 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Aohai Digital Energy Co., Ltd.](https://appshunter.io/developer/1830652359) | [Dunext Technology Suzhou Co., Ltd.](https://appshunter.io/developer/1891965117) |

## What reviewers say

### HaiPower

[App page](https://appshunter.io/ios/app/haipower/id6477244992)

**Features:** macOS Compatibility

**In-app purchases:** none


### DuLink

[App page](https://appshunter.io/ios/app/dulink/id6739234591)

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

**In-app purchases:** none


## Frequently asked questions

### Is HaiPower free?

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

### Is DuLink free?

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

### Do HaiPower or DuLink have ads?

Neither HaiPower nor DuLink shows ads.

### Which is updated more often, HaiPower or DuLink?

HaiPower ships an update monthly, and DuLink fortnightly. Most recently, HaiPower was updated on September 8, 2026 and DuLink on September 10, 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.*