# BattAir vs EnerKey

The clearest difference is review sentiment: EnerKey at 75% against BattAir's 25%. EnerKey also leads on rating (3.5 vs 3.0). BattAir's advantage is update cadence (monthly vs every 2 months). On price, ratings volume, 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.

EnerKey holds the better App Store score, 3.5 against 3.0. Both are backed by a comparable volume of ratings — 5 and 4 respectively. Written reviews point the same way: 25% of BattAir's written reviews are positive against 75% of EnerKey's.

BattAir ships an update monthly, EnerKey every 2 months. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | BattAir | EnerKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (5 ratings)](https://appshunter.io/ios/app/battair/id1546717583/reviews) | **[3.5 (4 ratings)](https://appshunter.io/ios/app/enerkey/id6447932138/reviews)** |
| Number of ratings | **5** | 4 |
| Positive reviews | 25.0% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 15 MB | 31 MB |
| Requires iOS | **11.0** | 12.0 |
| 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) | [Shenzhen Jinwei Power Source Technology Co., Ltd](https://appshunter.io/developer/1683049152) |

## 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


### EnerKey

[App page](https://appshunter.io/ios/app/enerkey/id6447932138)

Monitor and control your lithium battery system in real-time. View current status, historical data, and adjust protective parameters to ensure safe operation. Receive instant alerts for any abnormal conditions.

**Highlights:** Real-time battery monitoring, Historical data inquiry, Parameter setting, Alarm notifications, Voltage, current, and temperature display

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BattAir free?

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

### Is EnerKey free?

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

### Which has better reviews, BattAir or EnerKey?

EnerKey is rated higher. BattAir averages 3.0 out of 5 from 5 ratings, while EnerKey averages 3.5 from 4 ratings.

### Do BattAir or EnerKey have ads?

Neither BattAir nor EnerKey shows ads.

### Which is updated more often, BattAir or EnerKey?

BattAir ships an update monthly, and EnerKey every 2 months. Most recently, BattAir was updated on October 17, 2026 and EnerKey on October 24, 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.*