# 123SmartBMS vs SimOffice

The clearest difference is update cadence: 123SmartBMS at monthly against SimOffice's every 10 months. On price, ads, in-app purchases and device support 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, SimOffice every 10 months. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | 123SmartBMS | SimOffice |
| --- | --- | --- |
| 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 | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 10 months |
| Monetization | Free | — |
| Size | 190 MB | 40 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Albertronic B.V.](https://appshunter.io/developer/890882604) | [CandoDream](https://appshunter.io/developer/1687143558) |

## 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


### SimOffice

[App page](https://appshunter.io/ios/app/simoffice/id6739867810)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 123SmartBMS free?

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

### Is SimOffice free?

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

### Do 123SmartBMS or SimOffice have ads?

Neither 123SmartBMS nor SimOffice shows ads.

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

123SmartBMS ships an update monthly, and SimOffice every 10 months. Most recently, 123SmartBMS was updated on October 7, 2026 and SimOffice on October 2, 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.*