# SMART BMS vs SURRON

The clearest difference is rating: SMART BMS at 2.1 against SURRON's 1.8. SMART BMS also leads on review sentiment (17% vs 4%) and ratings volume (76 vs 11). 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.

SMART BMS holds the better App Store score, 2.1 against 1.8. That said, the two scores are not equally well evidenced: SMART BMS has 76 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 17% of SMART BMS's written reviews are positive against 4% of SURRON's.

SMART BMS ships an update every 6 weeks, SURRON every 2 months. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | SMART BMS | SURRON |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (76 ratings)](https://appshunter.io/ios/app/smart-bms/id1519968339/reviews)** | [1.8 (11 ratings)](https://appshunter.io/ios/app/surron/id6450043341/reviews) |
| Number of ratings | **76** | 11 |
| Positive reviews | **17.3% of reviews** | 4.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 65 MB | 118 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [所兵 邱](https://appshunter.io/developer/1519230775) | [Hangzhou Qiulong Technology Co., Ltd.](https://appshunter.io/developer/1264481788) |

## What reviewers say

### 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


### SURRON

[App page](https://appshunter.io/ios/app/surron/id6450043341)

This platform connects electric bike riders and their bikes, offering a seamless online experience. It aims to build a community for off-road enthusiasts and provide support for an immersive electric biking adventure.

**Highlights:** Bike connectivity platform, End-to-end online experience, Rider and bike connection, Community building, Rider support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SMART BMS free?

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

### Is SURRON free?

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

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

SMART BMS is rated higher. SMART BMS averages 2.1 out of 5 from 76 ratings, while SURRON averages 1.8 from 11 ratings.

### Do SMART BMS or SURRON have ads?

Neither SMART BMS nor SURRON shows ads.

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

SMART BMS ships an update every 6 weeks, and SURRON every 2 months. Most recently, SMART BMS was updated on October 2, 2026 and SURRON on October 3, 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.*