# BattAir vs ESSP Controller

The clearest difference is update cadence: ESSP Controller at weekly against BattAir's monthly. BattAir's advantage is iOS requirement (11.0 vs 15.0). 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.

BattAir ships an update monthly, ESSP Controller weekly. The most recent releases landed on October 1, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | BattAir | ESSP Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (5 ratings)](https://appshunter.io/ios/app/battair/id1546717583/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free | — |
| Size | 15 MB | 119 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [深圳艾斯特创新科技有限公司](https://appshunter.io/developer/1405370693) | [GUNPOWER](https://appshunter.io/developer/1869202061) |

## What reviewers say

### BattAir

[App page](https://appshunter.io/ios/app/battair/id1546717583)

This app displays and manages information for smart batteries. Users can view battery status, adjust settings, and perform firmware upgrades. It's designed for users who need detailed control over their smart battery devices.

**Highlights:** Display smart battery information, Set smart battery parameters, Smart battery firmware upgrade, Real-time battery status monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### ESSP Controller

[App page](https://appshunter.io/ios/app/essp-controller/id6761600309)

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

**In-app purchases:** none


## Frequently asked questions

### Is BattAir free?

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

### Is ESSP Controller free?

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

### Do BattAir or ESSP Controller have ads?

Neither BattAir nor ESSP Controller shows ads.

### Which is updated more often, BattAir or ESSP Controller?

BattAir ships an update monthly, and ESSP Controller weekly. Most recently, BattAir was updated on October 1, 2026 and ESSP Controller on September 26, 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.*