# BMS Tool vs LightningVolt

The clearest difference is in-app purchases: LightningVolt at none against BMS Tool's 1. LightningVolt also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.2). On price, update cadence and device support there is nothing between them.

Both are free to download. BMS Tool sells 1 one-off in-app purchase. LightningVolt asks for nothing beyond the download.

BMS Tool ships an update every 2 months, LightningVolt every 6 weeks. The most recent releases landed on October 3, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | BMS Tool | LightningVolt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (7 ratings)](https://appshunter.io/ios/app/bms-tool/id1511343379/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 28 MB |
| Requires iOS | 15.2 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [e77code GmbH](https://appshunter.io/developer/1375405425) | [Roadwarrior Inc.](https://appshunter.io/developer/1712729585) |

## What reviewers say

### BMS Tool

[App page](https://appshunter.io/ios/app/bms-tool/id1511343379)

Monitor your battery management systems via Bluetooth. Supports multiple BMS types including Liontron, XiaoXiang, ANT, and Wattstunde. Offers a screen always-on mode and macOS compatibility.

**Highlights:** Screen Always ON mode, Multiple BMS support, Liontron BMS read-only, XiaoXiang BMS read-only, ANT BMS read-only, Wattstunde LiFePo4 read-only, macOS support

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### LightningVolt

[App page](https://appshunter.io/ios/app/lightningvolt/id6469853871)

**In-app purchases:** none


## Frequently asked questions

### Is BMS Tool free?

BMS Tool is free to download, with in-app purchases available.

### Is LightningVolt free?

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

### Do BMS Tool or LightningVolt have ads?

BMS Tool shows ads; LightningVolt does not.

### Which is updated more often, BMS Tool or LightningVolt?

BMS Tool ships an update every 2 months, and LightningVolt every 6 weeks. Most recently, BMS Tool was updated on October 3, 2026 and LightningVolt on September 30, 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.*