# Berger BT Lithium vs Supervolt

The clearest difference is update cadence: Supervolt at monthly against Berger BT Lithium's every 9 months. Berger BT Lithium's advantage is iOS requirement (8.0 vs 15.6). 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.

Berger BT Lithium ships an update every 9 months, Supervolt monthly. The most recent releases landed on September 22, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Berger BT Lithium | Supervolt |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 42.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Monthly** |
| Monetization | — | Free |
| Size | 6 MB | 11 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [益日 阮](https://appshunter.io/developer/1534412923) | [Bauer Trading GmbH](https://appshunter.io/developer/1552664041) |

## What reviewers say

### Berger BT Lithium

[App page](https://appshunter.io/ios/app/berger-bt-lithium/id1550720705)

**Features:** macOS Compatibility

**In-app purchases:** none


### Supervolt

[App page](https://appshunter.io/ios/app/supervolt/id1552664039)

Monitor your LiFePO4 batteries with this app. It displays key parameters like capacity, voltage, current, and temperature. You can connect up to eight batteries simultaneously and name them for easy identification.

**Highlights:** Real-time battery data display, Capacity and remaining capacity, Voltage and current monitoring, Cell voltage and temperature, Connect up to 8 batteries, Name individual batteries, Two dashboard views

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Berger BT Lithium free?

Berger BT Lithium is free to download, with no in-app purchases.

### Is Supervolt free?

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

### Do Berger BT Lithium or Supervolt have ads?

Neither Berger BT Lithium nor Supervolt shows ads.

### Which is updated more often, Berger BT Lithium or Supervolt?

Berger BT Lithium ships an update every 9 months, and Supervolt monthly. Most recently, Berger BT Lithium was updated on September 22, 2026 and Supervolt on October 9, 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.*