Comparison

Sunline vs LanmaoBMS

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

Head to head
About

Sunline

This device combines inverter, solar charger, and battery charger functions for portable, uninterruptible power. Its LCD display allows easy configuration of charging current, power source priority, and input voltage.

Highlights
  • Multi-function inverter/charger
  • Solar charger capability
  • Battery charger capability
  • Uninterruptible power support
  • Comprehensive LCD display
  • User-configurable settings
Features
Read full description

This is a multi-function inverter/charger, combining functions of inverter, solar charger and battery charger to offer uninterruptible power support with portable size. Its comprehensive LCD display offers user-configurable and easy-accessible button operation such as battery charging current, AC/solar charger priority, and acceptable input voltage based on different applications.

About

LanmaoBMS

This app monitors and manages lithium battery systems via Bluetooth. It provides real-time data on voltage, temperature, and capacity, offering alerts for potential issues and extending battery life. Supports various lithium battery pack configurations.

Highlights
  • Real-time voltage display
  • Single battery status and alarms
  • Intuitive remaining capacity display
  • Cell temperature and critical alerts
  • Power and cycle count recording
  • Supports multi-cell lithium battery packs
Features
Read full description

The intelligent battery management system and the active equalizer are connected through Bluetooth to monitor the battery status, collect, store and process information during battery operation in real time, exchange information with external devices, and solve the safety, usability and service life of the lithium battery system The key issue is to extend the service life of the battery to a certain extent, and to enhance the stability of the battery pack to a certain extent. At the same time, it supports multi-cell lithium battery pack protection board, power lithium battery balance protection board, lithium iron phosphate battery protection board, power battery protection board, lithium battery pack protection board, lithium battery protection board, iron lithium protection board, 24V/36V/48V Protection board and lithium electric power board, etc. 1. Display real-time voltage 2. Display the real-time voltage and alarm status of all single batteries. If the reported parameters trigger the alarm value or protection value, an alarm will be prompted; 3. Display the remaining capacity pack in an intuitive form; 4. Cell temperature warning. Real-time alarm for over temperature, short circuit, over voltage, under voltage 5. Record the power of the device at any time. 6. Record the number of battery cycles. Best Regards !

Screenshots

Sunline4 screens
LanmaoBMS4 screens

Verdict

The call

The clearest difference is rating: LanmaoBMS at 5.0 against Sunline's 4.0. LanmaoBMS also leads on update cadence (fortnightly vs every 4 months). Sunline's advantage is ratings volume (4 vs 1). On price, ads, in-app purchases and monetization model 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

LanmaoBMS holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

UpkeepUpdate frequency

Sunline ships an update every 4 months, LanmaoBMS fortnightly. The most recent releases landed on September 10, 2026 and July 6, 2026 respectively.

Scorecard3 real differences · 7 level
Sunline versus LanmaoBMS: the parameters behind the verdict, then further details
ParameterSunlineLanmaoBMS
PriceFreeFree
Rating4.0 (4 ratings)5.0 (1 ratings) — better
Positive reviews50.0% of reviews—
Number of ratings4 — better1
Update frequencyEvery 4 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS11.111.0 — better
Further details — not scored
Size7 MB13 MB
Age rating4+4+
DeveloperDrift Innovation LtdNanchang Yepai Technology Co., Ltd.

In-app purchases

None

Sunline

No in-app purchases

None

LanmaoBMS

No in-app purchases

Questions

Is Sunline free?
Sunline is free to download, with no in-app purchases.
Is LanmaoBMS free?
LanmaoBMS is free to download, with no in-app purchases.
Which has better reviews, Sunline or LanmaoBMS?
LanmaoBMS is rated higher. Sunline averages 4.0 out of 5 from 4 ratings, while LanmaoBMS averages 5.0 from 1 ratings.
Do Sunline or LanmaoBMS have ads?
Neither Sunline nor LanmaoBMS shows ads.
Which is updated more often, Sunline or LanmaoBMS?
Sunline ships an update every 4 months, and LanmaoBMS fortnightly. Most recently, Sunline was updated on September 10, 2026 and LanmaoBMS on July 6, 2026.

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