# MillerTech vs LiTime Solar

The clearest difference is review sentiment: MillerTech at 100% against LiTime Solar's 33%. MillerTech also leads on rating (4.3 vs 2.7) and update cadence (every 2 months vs every 7 months). LiTime Solar's advantage is iOS requirement (10.0 vs 13.0). On price, ratings volume, 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.

MillerTech holds the better App Store score, 4.3 against 2.7. Both are backed by a comparable volume of ratings — 6 and 13 respectively. Written reviews point the same way: 100% of MillerTech's written reviews are positive against 33% of LiTime Solar's.

MillerTech ships an update every 2 months, LiTime Solar every 7 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | MillerTech | LiTime Solar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/millertech/id1628834753/reviews)** | [2.7 (13 ratings)](https://appshunter.io/ios/app/litime-solar/id6451349228/reviews) |
| Number of ratings | 6 | **13** |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free | Free |
| Size | 42 MB | 7 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Lester Miller](https://appshunter.io/developer/1646174937) | [Shenzhen Litime Technology Co.,Ltd](https://appshunter.io/developer/1697659864) |

## 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


### LiTime Solar

[App page](https://appshunter.io/ios/app/litime-solar/id6451349228)

Monitor and control your solar power system with real-time data on solar panels and batteries. Adjust controller settings for optimal efficiency and log essential system data for analysis.

**Highlights:** Monitor solar panel and battery voltage, current, and power, Control loads connected to the controller, Adjust controller settings and parameters, Log battery voltages and watt-hours charged, Real-time load monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MillerTech free?

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

### Is LiTime Solar free?

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

### Which has better reviews, MillerTech or LiTime Solar?

MillerTech is rated higher. MillerTech averages 4.3 out of 5 from 6 ratings, while LiTime Solar averages 2.7 from 13 ratings.

### Do MillerTech or LiTime Solar have ads?

Neither MillerTech nor LiTime Solar shows ads.

### Which is updated more often, MillerTech or LiTime Solar?

MillerTech ships an update every 2 months, and LiTime Solar every 7 months. Most recently, MillerTech was updated on November 3, 2026 and LiTime Solar on November 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.*