# Sunline vs LanmaoBMS

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.

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

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.

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

## The numbers

| Metric | Sunline | LanmaoBMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/sunline/id1494807667/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lanmaobms/id6448680409/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 7 MB | 13 MB |
| Requires iOS | 11.1 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Drift Innovation Ltd](https://appshunter.io/developer/579007701) | [Nanchang Yepai Technology Co., Ltd.](https://appshunter.io/developer/1503296093) |

## What reviewers say

### Sunline

[App page](https://appshunter.io/ios/app/sunline/id1494807667)

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:** macOS Compatibility

**In-app purchases:** none


### LanmaoBMS

[App page](https://appshunter.io/ios/app/lanmaobms/id6448680409)

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:** macOS Compatibility

**In-app purchases:** none


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