# BMS Tool vs FlyerUpgradeTools

The clearest difference is review sentiment: BMS Tool at 71% against FlyerUpgradeTools's 0%. BMS Tool also leads on rating (3.9 vs 3.7). FlyerUpgradeTools's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume, update cadence and device support there is nothing between them.

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

BMS Tool holds the better App Store score, 3.9 against 3.7. Both are backed by a comparable volume of ratings — 7 and 3 respectively. Written reviews point the same way: 71% of BMS Tool's written reviews are positive against 0% of FlyerUpgradeTools's.

BMS Tool ships an update every 2 months, FlyerUpgradeTools monthly. Both last shipped on October 3, 2026.

## The numbers

| Metric | BMS Tool | FlyerUpgradeTools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (7 ratings)](https://appshunter.io/ios/app/bms-tool/id1511343379/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/flyerupgradetools/id1563603585/reviews) |
| Number of ratings | **7** | 3 |
| Positive reviews | **71.4% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 9 MB | 17 MB |
| Requires iOS | 15.2 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [e77code GmbH](https://appshunter.io/developer/1375405425) | [Shenzhen Waydoo Intelligence Technology Co.,Ltd.](https://appshunter.io/developer/1538543264) |

## 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 |


### FlyerUpgradeTools

[App page](https://appshunter.io/ios/app/flyerupgradetools/id1563603585)

This utility app provides firmware upgrades for Waydoo products. It ensures your devices have the latest software for optimal performance and functionality.

**Highlights:** Firmware upgrades, Waydoo product support, Device optimization, Latest software updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BMS Tool free?

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

### Is FlyerUpgradeTools free?

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

### Which has better reviews, BMS Tool or FlyerUpgradeTools?

BMS Tool is rated higher. BMS Tool averages 3.9 out of 5 from 7 ratings, while FlyerUpgradeTools averages 3.7 from 3 ratings.

### Do BMS Tool or FlyerUpgradeTools have ads?

BMS Tool shows ads; FlyerUpgradeTools does not.

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

BMS Tool ships an update every 2 months, and FlyerUpgradeTools monthly. Most recently, BMS Tool was updated on October 3, 2026 and FlyerUpgradeTools on October 3, 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.*