# MillerTech vs Balance BMS

The clearest difference is review sentiment: MillerTech at 100% against Balance BMS's 31%. MillerTech also leads on rating (4.3 vs 3.8). On price, ratings volume, 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.

MillerTech holds the better App Store score, 4.3 against 3.8. Both are backed by a comparable volume of ratings — 6 and 5 respectively. Written reviews point the same way: 100% of MillerTech's written reviews are positive against 31% of Balance BMS's.

MillerTech ships an update every 2 months, Balance BMS every 6 weeks. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | MillerTech | Balance BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/millertech/id1628834753/reviews)** | [3.8 (5 ratings)](https://appshunter.io/ios/app/balance-bms/id6467124096/reviews) |
| Number of ratings | **6** | 5 |
| Positive reviews | **100.0% of reviews** | 30.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 42 MB | 56 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Lester Miller](https://appshunter.io/developer/1646174937) | [所兵 邱](https://appshunter.io/developer/1519230775) |

## What reviewers say

### MillerTech

[App page](https://appshunter.io/ios/app/millertech/id1628834753)

Monitor your lithium batteries with Bluetooth technology. Get instant access to key battery stats like voltage, state-of-charge, and real-time power usage. Enhance your experience and gain peace of mind with at-a-glance data.

**Highlights:** Bluetooth battery monitoring, Real-time power usage, Battery voltage display, State-of-Charge tracking, Design and remaining capacity

**Features:** macOS Compatibility

**In-app purchases:** none


### Balance BMS

[App page](https://appshunter.io/ios/app/balance-bms/id6467124096)

This app allows users to connect to and manage lithium batteries via Bluetooth. It provides detailed information about battery status, helps identify and manage individual battery strings, and allows for setting and reading safety parameters. Users can also monitor and be alerted to battery faults.

**Highlights:** Bluetooth battery connection, Battery status query, Identify abnormal batteries, Set battery protection parameters, Monitor battery fault alarms

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MillerTech free?

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

### Is Balance BMS free?

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

### Which has better reviews, MillerTech or Balance BMS?

MillerTech is rated higher. MillerTech averages 4.3 out of 5 from 6 ratings, while Balance BMS averages 3.8 from 5 ratings.

### Do MillerTech or Balance BMS have ads?

Neither MillerTech nor Balance BMS shows ads.

### Which is updated more often, MillerTech or Balance BMS?

MillerTech ships an update every 2 months, and Balance BMS every 6 weeks. Most recently, MillerTech was updated on October 7, 2026 and Balance BMS on October 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*