# SOSSEN vs ZenPro

The clearest difference is iOS requirement: SOSSEN at 8.0 against ZenPro's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

SOSSEN ships an update every 3 weeks, ZenPro monthly. Both last shipped on October 30, 2026.

## The numbers

| Metric | SOSSEN | ZenPro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 39 MB | 82 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Xiamen Sossen Energy Co., Ltd.](https://appshunter.io/developer/1732974101) | [Zendure USA INC](https://appshunter.io/developer/1592645040) |

## What reviewers say

### SOSSEN

[App page](https://appshunter.io/ios/app/sossen/id6449204768)

**In-app purchases:** none


### ZenPro

[App page](https://appshunter.io/ios/app/zenpro/id6751992049)

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

**In-app purchases:** none


## Frequently asked questions

### Is SOSSEN free?

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

### Is ZenPro free?

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

### Do SOSSEN or ZenPro have ads?

Neither SOSSEN nor ZenPro shows ads.

### Which is updated more often, SOSSEN or ZenPro?

SOSSEN ships an update every 3 weeks, and ZenPro monthly. Most recently, SOSSEN was updated on October 30, 2026 and ZenPro on October 30, 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.*