# HERF Battery vs ZenPro

The clearest difference is update cadence: HERF Battery at every 2 days against ZenPro's monthly. HERF Battery also leads on iOS requirement (11.0 vs 13.0). 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.

HERF Battery ships an update every 2 days, ZenPro monthly. The most recent releases landed on September 9, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | HERF Battery | ZenPro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Monthly |
| Size | 94 MB | 80 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [JUAN WANG](https://appshunter.io/developer/1650350517) | [Zendure USA INC](https://appshunter.io/developer/1592645040) |

## What reviewers say

### HERF Battery

[App page](https://appshunter.io/ios/app/herf-battery/id6476475176)

**Features:** macOS Compatibility

**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 HERF Battery free?

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

### Is ZenPro free?

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

### Do HERF Battery or ZenPro have ads?

Neither HERF Battery nor ZenPro shows ads.

### Which is updated more often, HERF Battery or ZenPro?

HERF Battery ships an update every 2 days, and ZenPro monthly. Most recently, HERF Battery was updated on September 9, 2026 and ZenPro on September 20, 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.*