# BMS Tool vs ECO Battery

The clearest difference is in-app purchases: ECO Battery at none against BMS Tool's 1. ECO Battery also leads on ads (none vs shown) and update cadence (fortnightly vs every 2 months). On price, rating, review sentiment and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 3.9 for BMS Tool against 4.0 for ECO Battery. Both are backed by a comparable volume of ratings — 7 and 22 respectively. Written reviews are what separate them: 71% of BMS Tool's written reviews are positive against 64% of ECO Battery's.

BMS Tool ships an update every 2 months, ECO Battery fortnightly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | BMS Tool | ECO Battery |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (7 ratings)](https://appshunter.io/ios/app/bms-tool/id1511343379/reviews) | **[4.0 (22 ratings)](https://appshunter.io/ios/app/eco-battery/id6474708780/reviews)** |
| Number of ratings | 7 | **22** |
| Positive reviews | **71.4% of reviews** | 63.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 31 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [e77code GmbH](https://appshunter.io/developer/1375405425) | [Eco Capital, Inc.](https://appshunter.io/developer/1722379141) |

## 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 |


### ECO Battery

[App page](https://appshunter.io/ios/app/eco-battery/id6474708780)

Monitor and manage your lithium battery's health and performance. Optimize charging and discharging cycles to extend battery lifespan. Get detailed insights into your battery's status.

**Highlights:** Lithium battery management, BMS monitoring, Performance optimization, Charging cycle control, Discharging cycle control, Battery health insights

**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 ECO Battery free?

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

### Which has better reviews, BMS Tool or ECO Battery?

ECO Battery is rated higher. BMS Tool averages 3.9 out of 5 from 7 ratings, while ECO Battery averages 4.0 from 22 ratings.

### Do BMS Tool or ECO Battery have ads?

BMS Tool shows ads; ECO Battery does not.

### Which is updated more often, BMS Tool or ECO Battery?

BMS Tool ships an update every 2 months, and ECO Battery fortnightly. Most recently, BMS Tool was updated on October 27, 2026 and ECO Battery on October 24, 2026.

---

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