Comparison

MillerTech vs LiTime Solar

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Bluetooth battery monitoring
  • Real-time power usage
  • Battery voltage display
  • State-of-Charge tracking
  • Design and remaining capacity
Features
Read full description

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!

About

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.

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
Read full description

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

MillerTech4 screens
LiTime Solar3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard4 real differences · 6 level
MillerTech versus LiTime Solar: the parameters behind the verdict, then further details
ParameterMillerTechLiTime Solar
PriceFreeFree
Rating4.3 (6 ratings) — better2.7 (13 ratings)
Positive reviews100.0% of reviews — better33.3% of reviews
Number of ratings613 — better
Update frequencyEvery 2 months — betterEvery 7 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.010.0 — better
Further details — not scored
Size42 MB7 MB
Age rating4+17+
DeveloperLester MillerShenzhen Litime Technology Co.,Ltd

Customer experience

MillerTech

All ratings3 ratings
Positive66.7%
Neutral33.3%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

LiTime Solar

All ratings9 ratings
Positive33.3%
Neutral11.1%
Negative55.6%
Written reviews9 reviews
Positive33.3%
Neutral11.1%
Negative55.6%

In-app purchases

None

MillerTech

No in-app purchases

None

LiTime Solar

No in-app purchases

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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