# SOSPrepaid Utilities vs HaiPower

The clearest difference is update cadence: HaiPower at monthly against SOSPrepaid Utilities's every 19 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.

SOSPrepaid Utilities ships an update every 19 months, HaiPower monthly. The most recent releases landed on September 21, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | SOSPrepaid Utilities | HaiPower |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Monthly** |
| Size | 1 MB | 65 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Ontec Systems (PTY) Ltd](https://appshunter.io/developer/1452866011) | [Shenzhen Aohai Digital Energy Co., Ltd.](https://appshunter.io/developer/1830652359) |

## What reviewers say

### SOSPrepaid Utilities

[App page](https://appshunter.io/ios/app/sosprepaid-utilities/id6448355432)

**Features:** macOS Compatibility

**In-app purchases:** none


### HaiPower

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SOSPrepaid Utilities free?

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

### Is HaiPower free?

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

### Do SOSPrepaid Utilities or HaiPower have ads?

Neither SOSPrepaid Utilities nor HaiPower shows ads.

### Which is updated more often, SOSPrepaid Utilities or HaiPower?

SOSPrepaid Utilities ships an update every 19 months, and HaiPower monthly. Most recently, SOSPrepaid Utilities was updated on September 21, 2026 and HaiPower on September 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.*