# 123SmartBMS vs Dolphin BMS

The clearest difference is update cadence: Dolphin BMS at fortnightly against 123SmartBMS's monthly. Dolphin BMS also leads on iOS requirement (13.0 vs 16.0). 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, Dolphin BMS fortnightly. The most recent releases landed on September 20, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | 123SmartBMS | Dolphin BMS |
| --- | --- | --- |
| 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 | **Fortnightly** |
| Monetization | Free | — |
| Size | 190 MB | 51 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Albertronic B.V.](https://appshunter.io/developer/890882604) | [惠州市佰铭诚电子有限公司](https://appshunter.io/developer/1631994436) |

## 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


### Dolphin BMS

[App page](https://appshunter.io/ios/app/dolphin-bms/id6746481788)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 123SmartBMS free?

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

### Is Dolphin BMS free?

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

### Do 123SmartBMS or Dolphin BMS have ads?

Neither 123SmartBMS nor Dolphin BMS shows ads.

### Which is updated more often, 123SmartBMS or Dolphin BMS?

123SmartBMS ships an update monthly, and Dolphin BMS fortnightly. Most recently, 123SmartBMS was updated on September 20, 2026 and Dolphin BMS on September 8, 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.*