# EP vs SMART BMS

The clearest difference is ratings volume: SMART BMS at 76 against EP's 23. EP's advantage is iOS requirement (8.0 vs 11.0). On price, rating, review sentiment and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 2.0 for EP against 2.1 for SMART BMS. Both are backed by a comparable volume of ratings — 23 and 76 respectively. Written reviews are what separate them: 15% of EP's written reviews are positive against 17% of SMART BMS's.

EP ships an update every 2 months, SMART BMS every 6 weeks. Both last shipped on October 7, 2026.

## The numbers

| Metric | EP | SMART BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (23 ratings)](https://appshunter.io/ios/app/ep-01/id1330876647/reviews) | **[2.1 (76 ratings)](https://appshunter.io/ios/app/smart-bms/id1519968339/reviews)** |
| Number of ratings | 23 | **76** |
| Positive reviews | 15.4% of reviews | **17.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 30 MB | 65 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BEIJING EPSOLAR TECHNOLOGY CO., LTD.](https://appshunter.io/developer/1330876646) | [所兵 邱](https://appshunter.io/developer/1519230775) |

## What reviewers say

### EP

[App page](https://appshunter.io/ios/app/ep-01/id1330876647)

This communication software connects controllers and inverters. It supports 485 and infrared interfaces, automatically switching content based on device name for simplified operation.

**Highlights:** Controller and inverter communication, Supports 485 interface, Supports infrared controller, Automatic content switching, Simplified user operation

**Features:** macOS Compatibility

**In-app purchases:** none


### SMART BMS

[App page](https://appshunter.io/ios/app/smart-bms/id1519968339)

Connect to and manage your lithium battery via Bluetooth. Monitor battery status, query information, and set safety parameters. Receive alerts for battery faults and track their occurrences.

**Highlights:** Bluetooth battery connection, Battery status query, Fault alarm monitoring, Safety parameter settings, Password protection for settings

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Functional app
- 👍 Easy to use
- 🔋 Works with lithium batteries
- 💡 Displays cell balance information

**What reviewers complain about**

- 🐛 Connection issues
- 🐛 Crashes and freezes
- 🐛 Unreliable data
- 🐛 Compatibility problems with updates
- 🔋 Drains phone battery

**Reported bugs**

- Bluetooth connectivity problems
- Incorrect series/parallel configuration display
- Firmware update issues
- Inconsistent data readings
- Inability to change settings

**Requested features**

- Dark mode option
- Logging and historical data
- Better parameter customization
- Improved battery monitoring metrics
- Apple Watch support


## Frequently asked questions

### Is EP free?

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

### Is SMART BMS free?

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

### Which has better reviews, EP or SMART BMS?

SMART BMS is rated higher. EP averages 2.0 out of 5 from 23 ratings, while SMART BMS averages 2.1 from 76 ratings.

### Do EP or SMART BMS have ads?

Neither EP nor SMART BMS shows ads.

### Which is updated more often, EP or SMART BMS?

EP ships an update every 2 months, and SMART BMS every 6 weeks. Most recently, EP was updated on October 7, 2026 and SMART BMS on October 7, 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.*