# 123SmartBMS vs UltimatronFrance

The clearest difference is review sentiment: 123SmartBMS at 67% against UltimatronFrance's 19%. UltimatronFrance's advantage is iOS requirement (12.0 vs 16.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

123SmartBMS ships an update monthly, UltimatronFrance every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | 123SmartBMS | UltimatronFrance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (21 ratings)](https://appshunter.io/ios/app/123smartbms/id988285264/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | **66.7% of reviews** | 18.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 190 MB | 71 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Albertronic B.V.](https://appshunter.io/developer/890882604) | [ULTIMATRON FRANCE](https://appshunter.io/developer/1544036037) |

## 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


### UltimatronFrance

[App page](https://appshunter.io/ios/app/ultimatronfrance/id1546832412)

Monitor your battery's health in real-time, tracking temperature, current, and voltage. Receive alarms for equalization and fault reminders from the protection system. Access historical battery parameter data.

**Highlights:** Real-time battery temperature monitoring, Real-time current and voltage monitoring, Battery equalization alarms, Protection system fault reminders, Historical battery parameter retrieval

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 123SmartBMS free?

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

### Is UltimatronFrance free?

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

### Do 123SmartBMS or UltimatronFrance have ads?

Neither 123SmartBMS nor UltimatronFrance shows ads.

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

123SmartBMS ships an update monthly, and UltimatronFrance every 3 weeks. Most recently, 123SmartBMS was updated on October 24, 2026 and UltimatronFrance on October 24, 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.*