# Volthium Pro Series vs BluetoothLi

The clearest difference is update cadence: Volthium Pro Series at every 2 months against BluetoothLi's every 6 months. 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.

Volthium Pro Series ships an update every 2 months, BluetoothLi every 6 months. The most recent releases landed on October 7, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Volthium Pro Series | BluetoothLi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Size | 20 MB | 39 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Energie Volthium Inc](https://appshunter.io/developer/1522194366) | [HENGYANG RITAR POWER CO.,LTD(衡阳瑞达电源有限公司)](https://appshunter.io/developer/1585606901) |

## What reviewers say

### Volthium Pro Series

[App page](https://appshunter.io/ios/app/volthium-pro-series/id6477122539)

**Features:** macOS Compatibility

**In-app purchases:** none


### BluetoothLi

[App page](https://appshunter.io/ios/app/bluetoothli-inv/id6739692829)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Volthium Pro Series free?

Volthium Pro Series is free to download, with no in-app purchases.

### Is BluetoothLi free?

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

### Do Volthium Pro Series or BluetoothLi have ads?

Neither Volthium Pro Series nor BluetoothLi shows ads.

### Which is updated more often, Volthium Pro Series or BluetoothLi?

Volthium Pro Series ships an update every 2 months, and BluetoothLi every 6 months. Most recently, Volthium Pro Series was updated on October 7, 2026 and BluetoothLi on September 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*