# BlueBattery vs aidio

The clearest difference is price: BlueBattery at Free against aidio's $4.99. aidio's advantage is update cadence (every 2 days vs every 5 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

BlueBattery is free to download; aidio costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BlueBattery ships an update every 5 weeks, aidio every 2 days. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | BlueBattery | aidio |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 days** |
| Monetization | Free | — |
| Size | 22 MB | 32 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kai Scheffer](https://appshunter.io/developer/816144806) | [Christian Mayr](https://appshunter.io/developer/1477487057) |

## What reviewers say

### BlueBattery

[App page](https://appshunter.io/ios/app/bluebattery/id1233388568)

Monitor and record vital electrical parameters of your RV battery system in real-time. View live data, energy mix, and historical records for diagnostics. Configure settings and update device firmware.

**Highlights:** Real-time electrical parameter display, Simultaneous connection for energy overview, Historical data for diagnostics, Export data to CSV, Device configuration and settings, Firmware updates

**Features:** macOS Compatibility

**In-app purchases:** none


### aidio

[App page](https://appshunter.io/ios/app/aidio/id6471924290)

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

**In-app purchases:** none


## Frequently asked questions

### Is BlueBattery free?

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

### Is aidio free?

aidio costs $4.99, with no in-app purchases.

### Do BlueBattery or aidio have ads?

Neither BlueBattery nor aidio shows ads.

### Which is updated more often, BlueBattery or aidio?

BlueBattery ships an update every 5 weeks, and aidio every 2 days. Most recently, BlueBattery was updated on November 2, 2026 and aidio on November 4, 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.*