# VoltBot vs SmartBMS Utility

The clearest difference is price: VoltBot at Free against SmartBMS Utility's $9.99. VoltBot also leads on rating (5.0 vs 4.3). SmartBMS Utility's advantage is ratings volume (12 vs 1) and chart position (#122 vs unranked). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

VoltBot is free to download; SmartBMS Utility costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

VoltBot holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: SmartBMS Utility has 12 ratings behind it against 1, so its average is the more settled of the two.

VoltBot ships an update every 6 weeks, SmartBMS Utility every 2 months. The most recent releases landed on September 10, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | VoltBot | SmartBMS Utility |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/voltbot/id1456400320/reviews)** | [4.3 (12 ratings)](https://appshunter.io/ios/app/smartbms-utility/id1540178292/reviews) |
| Number of ratings | 1 | **12** |
| Positive reviews | — | 70.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Best chart rank | — | **#122** |
| Size | 6 MB | 23 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [zechong xiong](https://appshunter.io/developer/1456400319) | [Kuehner & Gehrke Development UG (haftungsbeschraenkt)](https://appshunter.io/developer/1497310810) |

## What reviewers say

### VoltBot

[App page](https://appshunter.io/ios/app/voltbot/id1456400320)

This app provides Wi-Fi access to a portable DC power supply for engineers and DIY enthusiasts. It supports both VoltBot 1 and VoltBot 2 models, offering a free and private way to control your device.

**Highlights:** Wi-Fi network access, Control VoltBot 1 and VoltBot 2, Designed for engineers and DIY users, Free to use, No personal data collection

**Features:** macOS Compatibility

**In-app purchases:** none


### SmartBMS Utility

[App page](https://appshunter.io/ios/app/smartbms-utility/id1540178292)

**Currently charting:** #122 Top Paid · Productivity (US App Store)

Optimize battery management and extend battery life with real-time monitoring and intelligent control. Receive important alerts and ensure data security with local storage. Compatible with JBD and Daly BMS.

**Highlights:** Real-time battery monitoring, Intelligent control for charging/discharging, Battery condition notifications, Local data storage for security, Easy integration with JBD/Daly BMS

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is VoltBot free?

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

### Is SmartBMS Utility free?

SmartBMS Utility costs $9.99, with no in-app purchases.

### Which has better reviews, VoltBot or SmartBMS Utility?

VoltBot is rated higher. VoltBot averages 5.0 out of 5 from 1 ratings, while SmartBMS Utility averages 4.3 from 12 ratings.

### Do VoltBot or SmartBMS Utility have ads?

Neither VoltBot nor SmartBMS Utility shows ads.

### Which is updated more often, VoltBot or SmartBMS Utility?

VoltBot ships an update every 6 weeks, and SmartBMS Utility every 2 months. Most recently, VoltBot was updated on September 10, 2026 and SmartBMS Utility 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.*