MillerTech vs LiTime Solar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MillerTech
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.
- Bluetooth battery monitoring
- Real-time power usage
- Battery voltage display
- State-of-Charge tracking
- Design and remaining capacity
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MillerTech Lithium Battery monitoring system with Bluetooth technology. A total game-changer, this app will give users the ability to see important battery stats and data at a glance. Meaning now you can spend more time doing what matters and less time guessing! With this technology the user has instant access to, Battery voltage Battery State-of-Charge Real time power usage Design capacity Remaining capacity We believe these capabilities will forever enhance your experience, giving you the piece of mind that you deserve!
LiTime Solar
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.
- 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
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The LiTime MPPT Controller application is suitable for solar power systems with the following features. -Easily monitor the voltage, current, and power of both solar panels and batteries. -Allows for convenient control over the loads connected to the controller, enabling users to turn them on or off as needed. Stay informed about the voltage, current, and power of the loads in real time. -Provides the ability to adjust the settings and parameters of the controller, ensuring maximum efficiency. -Logs essential data such as battery voltages and watt-hours charged and so on, allowing for accurate system analysis and monitoring.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | MillerTech | LiTime Solar |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (6 ratings) — better | 2.7 (13 ratings) |
| Positive reviews | 100.0% of reviews — better | 33.3% of reviews |
| Number of ratings | 6 | 13 — better |
| Update frequency | Every 2 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 42 MB | 7 MB |
| Age rating | 4+ | 17+ |
| Developer | Lester Miller | Shenzhen Litime Technology Co.,Ltd |
Customer experience
MillerTech
LiTime Solar
In-app purchases
MillerTech
No in-app purchases
LiTime Solar
No in-app purchases







