# SMART BMS vs Solar Guardian

The clearest difference is rating: Solar Guardian at 2.4 against SMART BMS's 2.2. SMART BMS's advantage is ratings volume (78 vs 16) and iOS requirement (11.0 vs 13.0). On price, review sentiment, 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.

Solar Guardian holds the better App Store score, 2.4 against 2.2. Both are backed by a comparable volume of ratings — 78 and 16 respectively. Written reviews split almost evenly too, at 17% and 17% positive.

SMART BMS ships an update every 6 weeks, Solar Guardian every 2 months. The most recent releases landed on October 22, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | SMART BMS | Solar Guardian |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.2 (78 ratings)](https://appshunter.io/ios/app/smart-bms/id1519968339/reviews) | **[2.4 (16 ratings)](https://appshunter.io/ios/app/solar-guardian/id6443552259/reviews)** |
| Number of ratings | **78** | 16 |
| Positive reviews | **17.3% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 65 MB | 84 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [所兵 邱](https://appshunter.io/developer/1519230775) | [BEIJING EPSOLAR TECHNOLOGY CO., LTD.](https://appshunter.io/developer/1330876646) |

## 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


### Solar Guardian

[App page](https://appshunter.io/ios/app/solar-guardian/id6443552259)

Monitor and control various solar energy systems, including inverters, chargers, and storage solutions. Adjust parameters and view data for optimal energy management.

**Highlights:** Data display for solar systems, Parameter setting for inverters, Supports grid-tie inverters, Hybrid inverter management, Energy storage system monitoring, Home and mobile energy storage control

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

**In-app purchases:** none


## Frequently asked questions

### Is SMART BMS free?

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

### Is Solar Guardian free?

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

### Which has better reviews, SMART BMS or Solar Guardian?

Solar Guardian is rated higher. SMART BMS averages 2.2 out of 5 from 78 ratings, while Solar Guardian averages 2.4 from 16 ratings.

### Do SMART BMS or Solar Guardian have ads?

Neither SMART BMS nor Solar Guardian shows ads.

### Which is updated more often, SMART BMS or Solar Guardian?

SMART BMS ships an update every 6 weeks, and Solar Guardian every 2 months. Most recently, SMART BMS was updated on October 22, 2026 and Solar Guardian on October 16, 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.*