# SmartESS vs MultiBMS

The clearest difference is review sentiment: MultiBMS at 100% against SmartESS's 20%. MultiBMS also leads on rating (4.0 vs 2.7) and update cadence (every 4 days vs monthly). SmartESS's advantage is price (Free vs $0.99) and in-app purchases (none vs 11). On ads and device support there is nothing between them.

SmartESS is free to download; MultiBMS costs $0.99 up front. MultiBMS sells 11 one-off in-app purchases. SmartESS asks for nothing beyond the download.

MultiBMS holds the better App Store score, 4.0 against 2.7. That said, the two scores are not equally well evidenced: SmartESS has 125 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 20% of SmartESS's written reviews are positive against 100% of MultiBMS's.

SmartESS ships an update monthly, MultiBMS every 4 days. The most recent releases landed on October 2, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | SmartESS | MultiBMS |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [2.7 (125 ratings)](https://appshunter.io/ios/app/smartess/id1334656760/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/multibms/id6771097913/reviews)** |
| Number of ratings | **125** | 4 |
| Positive reviews | 19.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#174** |
| Size | 198 MB | 36 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | +4 |
| Developer | [祥梯 孟](https://appshunter.io/developer/1070155084) | [stefan peters](https://appshunter.io/developer/1874328616) |

## What reviewers say

### SmartESS

[App page](https://appshunter.io/ios/app/smartess/id1334656760)

Monitor your energy storage machine's status in real-time with this mobile application. It offers easy-to-understand data visualization, historical data access from anywhere, and displays information in multiple dimensions. The app is designed for efficient data transfer with minimal internet traffic usage.

**Highlights:** Real-time energy storage machine monitoring, Intelligent data visualization, Simple and easy-to-understand charts, Access historical data anytime, anywhere, Multi-dimensional data display, Low internet traffic usage

**Features:** macOS Compatibility

**In-app purchases:** none


### MultiBMS

[App page](https://appshunter.io/ios/app/multibms/id6771097913)

**Currently charting:** #174 Top Paid · Utilities (US App Store)

Monitor multiple Bluetooth-enabled battery management systems from your iPhone. View detailed pack voltage, cell voltages, current, power, state of charge, and temperature. Build custom battery groups and visualize charging activity.

**Highlights:** Connect to multiple BMS devices, Detailed pack and cell diagnostics, Build custom parallel/series battery groups, Visualize charging and discharging, Apple Watch companion preview, Supports JiKong and JBD/Xiaoxiang hardware

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| E-Bike Rally | $0.99 | one-time |
| Bus Life | $0.99 | one-time |
| Off Grid | $0.99 | one-time |
| Minimal White | $0.99 | one-time |
| Retro Terminal | $0.99 | one-time |
| Marine | $0.99 | one-time |
| Arctic Ice | $0.99 | one-time |
| Matrix Code | $0.99 | one-time |
| Emergency | $0.99 | one-time |
| CAT Equipment | $0.99 | one-time |
| Aviation | $0.99 | one-time |


## Frequently asked questions

### Is SmartESS free?

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

### Is MultiBMS free?

MultiBMS costs $0.99, and also offers in-app purchases.

### Which has better reviews, SmartESS or MultiBMS?

MultiBMS is rated higher. SmartESS averages 2.7 out of 5 from 125 ratings, while MultiBMS averages 4.0 from 4 ratings.

### Do SmartESS or MultiBMS have ads?

Neither SmartESS nor MultiBMS shows ads.

### Which is updated more often, SmartESS or MultiBMS?

SmartESS ships an update monthly, and MultiBMS every 4 days. Most recently, SmartESS was updated on October 2, 2026 and MultiBMS on September 22, 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.*