# 123SmartBMS vs FE

The clearest difference is rating: 123SmartBMS at 4.5 against FE's 3.3. 123SmartBMS also leads on review sentiment (67% vs 50%). On price, ratings volume, update cadence and ads 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 3.3. Both are backed by a comparable volume of ratings — 21 and 8 respectively. Written reviews point the same way: 67% of 123SmartBMS's written reviews are positive against 50% of FE's.

123SmartBMS ships an update monthly, FE every 3 weeks. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 123SmartBMS | FE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (21 ratings)](https://appshunter.io/ios/app/123smartbms/id988285264/reviews)** | [3.3 (8 ratings)](https://appshunter.io/ios/app/fe-shunt/id1593575892/reviews) |
| Number of ratings | **21** | 8 |
| Positive reviews | **66.7% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 190 MB | 18 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Albertronic B.V.](https://appshunter.io/developer/890882604) | [Hangzhou Dashi Wisdom Technology Co., Ltd.](https://appshunter.io/developer/1822219570) |

## 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


### FE

[App page](https://appshunter.io/ios/app/fe-shunt/id1593575892)

Monitor your battery's charging status, remaining time, and historical data with this Bluetooth-connected device. It provides a comprehensive overview of your battery's performance.

**Highlights:** 500 amp battery monitoring, Bluetooth connectivity, Real-time charging status, Remaining time estimation, Historical battery data

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 123SmartBMS free?

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

### Is FE free?

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

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

123SmartBMS is rated higher. 123SmartBMS averages 4.5 out of 5 from 21 ratings, while FE averages 3.3 from 8 ratings.

### Do 123SmartBMS or FE have ads?

Neither 123SmartBMS nor FE shows ads.

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

123SmartBMS ships an update monthly, and FE every 3 weeks. Most recently, 123SmartBMS was updated on October 7, 2026 and FE on October 6, 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.*