# 123SmartBMS vs EPEVER Pair

The clearest difference is review sentiment: 123SmartBMS at 67% against EPEVER Pair's 15%. 123SmartBMS also leads on rating (4.5 vs 2.1). EPEVER Pair's advantage is iOS requirement (9.0 vs 16.0). 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 2.1. Both are backed by a comparable volume of ratings — 21 and 15 respectively. Written reviews point the same way: 67% of 123SmartBMS's written reviews are positive against 15% of EPEVER Pair's.

123SmartBMS ships an update monthly, EPEVER Pair every 3 weeks. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 123SmartBMS | EPEVER Pair |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (21 ratings)](https://appshunter.io/ios/app/123smartbms/id988285264/reviews)** | [2.1 (15 ratings)](https://appshunter.io/ios/app/epever-pair/id1564254098/reviews) |
| Number of ratings | **21** | 15 |
| Positive reviews | **66.7% of reviews** | 14.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 190 MB | 92 MB |
| Requires iOS | 16.0 | **9.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Albertronic B.V.](https://appshunter.io/developer/890882604) | [BEIJING EPSOLAR TECHNOLOGY CO., LTD.](https://appshunter.io/developer/1330876646) |

## 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


### EPEVER Pair

[App page](https://appshunter.io/ios/app/epever-pair/id1564254098)

This app allows users to monitor and control solar power systems. It provides real-time data and system status for solar charge controllers and off-grid inverters. Manage your solar energy solutions efficiently with this tool.

**Highlights:** Real-time system monitoring, Control solar charge controllers, Manage off-grid inverters, View system status, Solar application system management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 123SmartBMS free?

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

### Is EPEVER Pair free?

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

### Which has better reviews, 123SmartBMS or EPEVER Pair?

123SmartBMS is rated higher. 123SmartBMS averages 4.5 out of 5 from 21 ratings, while EPEVER Pair averages 2.1 from 15 ratings.

### Do 123SmartBMS or EPEVER Pair have ads?

Neither 123SmartBMS nor EPEVER Pair shows ads.

### Which is updated more often, 123SmartBMS or EPEVER Pair?

123SmartBMS ships an update monthly, and EPEVER Pair every 3 weeks. Most recently, 123SmartBMS was updated on October 7, 2026 and EPEVER Pair on October 4, 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.*