# BMS Tool vs SUN WISE

The clearest difference is in-app purchases: SUN WISE at none against BMS Tool's 1. SUN WISE also leads on ads (none vs shown). BMS Tool's advantage is device support (4 vs 2). On price, update cadence and iOS requirement there is nothing between them.

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

BMS Tool ships an update every 2 months, SUN WISE every 3 weeks. The most recent releases landed on October 29, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | BMS Tool | SUN WISE |
| --- | --- | --- |
| 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 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 190 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [e77code GmbH](https://appshunter.io/developer/1375405425) | [Shanghai Siseli New Energy Cooperative Enterprise](https://appshunter.io/developer/1673700559) |

## 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, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


### SUN WISE

[App page](https://appshunter.io/ios/app/sun-wise/id6743264767)

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

**In-app purchases:** none


## Frequently asked questions

### Is BMS Tool free?

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

### Is SUN WISE free?

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

### Do BMS Tool or SUN WISE have ads?

BMS Tool shows ads; SUN WISE does not.

### Which is updated more often, BMS Tool or SUN WISE?

BMS Tool ships an update every 2 months, and SUN WISE every 3 weeks. Most recently, BMS Tool was updated on October 29, 2026 and SUN WISE on October 15, 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.*