# 123SmartBMS vs GreenOE

The clearest difference is rating: 123SmartBMS at 4.5 against GreenOE's 1.0. 123SmartBMS also leads on update cadence (monthly vs every 7 months) and ratings volume (21 vs 3). GreenOE's advantage is iOS requirement (12.0 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

123SmartBMS holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: 123SmartBMS has 21 ratings behind it against 3, so its average is the more settled of the two.

123SmartBMS ships an update monthly, GreenOE every 7 months. The most recent releases landed on October 7, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | 123SmartBMS | GreenOE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (21 ratings)](https://appshunter.io/ios/app/123smartbms/id988285264/reviews)** | [1.0 (3 ratings)](https://appshunter.io/ios/app/greenoe/id6745133836/reviews) |
| Number of ratings | **21** | 3 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 7 months |
| Monetization | Free | Free |
| Size | 190 MB | 26 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Albertronic B.V.](https://appshunter.io/developer/890882604) | [Shenzhen Boiling Water Technology Co., Ltd.](https://appshunter.io/developer/1688664790) |

## What reviewers say

### 123SmartBMS

[App page](https://appshunter.io/ios/app/123smartbms/id988285264)

This app monitors and manages lithium battery packs, ensuring optimal condition and extended lifespan. It tracks cell voltages, temperatures, and currents, while balancing cells during charging. Connect via Bluetooth to view real-time battery status and control charging/discharging.

**Highlights:** Monitors cell voltages and temperatures, Tracks in- and outgoing currents, Balances cells during charging, Bluetooth connectivity for real-time data, Controls charge/discharge signals, Extends battery pack lifespan

**Features:** macOS Compatibility

**In-app purchases:** none


### GreenOE

[App page](https://appshunter.io/ios/app/greenoe/id6745133836)

This utility app offers smart battery solutions to optimize device power usage. It aims to enhance the longevity and efficiency of your device's battery. The application is designed for users seeking better power management.

**Highlights:** Smart battery optimization, Enhanced power efficiency, Device battery longevity, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 123SmartBMS free?

123SmartBMS is free to download, with no in-app purchases.

### Is GreenOE free?

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

### Which has better reviews, 123SmartBMS or GreenOE?

123SmartBMS is rated higher. 123SmartBMS averages 4.5 out of 5 from 21 ratings, while GreenOE averages 1.0 from 3 ratings.

### Do 123SmartBMS or GreenOE have ads?

Neither 123SmartBMS nor GreenOE shows ads.

### Which is updated more often, 123SmartBMS or GreenOE?

123SmartBMS ships an update monthly, and GreenOE every 7 months. Most recently, 123SmartBMS was updated on October 7, 2026 and GreenOE on September 20, 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.*