# A2 Autolube vs Voltgo Bluetooth

The clearest difference is device support: Voltgo Bluetooth at 3 against A2 Autolube's 1. Voltgo Bluetooth also leads on iOS requirement (14.0 vs 16.0). 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.

A2 Autolube ships an update every 5 weeks, Voltgo Bluetooth every 2 months. The most recent releases landed on October 3, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | A2 Autolube | Voltgo Bluetooth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/voltgo-bluetooth/id6449036442/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | — | Free |
| Size | 18 MB | 6 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [F and O Industrial Controls Pty Ltd](https://appshunter.io/developer/1651186414) | [Shenzhen zetara power system Co.,LTD](https://appshunter.io/developer/1774419082) |

## What reviewers say

### A2 Autolube

[App page](https://appshunter.io/ios/app/a2-autolube/id6443983676)

**Features:** macOS Compatibility

**In-app purchases:** none


### Voltgo Bluetooth

[App page](https://appshunter.io/ios/app/voltgo-bluetooth/id6449036442)

Monitor your device's battery health in real-time. This tool app uses Bluetooth to display crucial metrics like current, temperature, and voltage.

**Highlights:** Monitor battery currency, Check battery temperature, View battery voltage, Bluetooth connectivity, Battery health status

**In-app purchases:** none


## Frequently asked questions

### Is A2 Autolube free?

A2 Autolube is free to download, with no in-app purchases.

### Is Voltgo Bluetooth free?

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

### Do A2 Autolube or Voltgo Bluetooth have ads?

Neither A2 Autolube nor Voltgo Bluetooth shows ads.

### Which is updated more often, A2 Autolube or Voltgo Bluetooth?

A2 Autolube ships an update every 5 weeks, and Voltgo Bluetooth every 2 months. Most recently, A2 Autolube was updated on October 3, 2026 and Voltgo Bluetooth on October 5, 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.*