# AutoSolar vs Sun Fun Kits BMS

The clearest difference is update cadence: Sun Fun Kits BMS at every 5 days against AutoSolar's every 15 months. AutoSolar's advantage is iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

AutoSolar ships an update every 15 months, Sun Fun Kits BMS every 5 days. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | AutoSolar | Sun Fun Kits BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.8 (11 ratings)](https://appshunter.io/ios/app/sun-fun-kits-bms/id1600445506/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 5 days** |
| Monetization | — | Free |
| Size | 14 MB | 193 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [云峰 徐](https://appshunter.io/developer/1560307393) | [sunfunkits](https://appshunter.io/developer/1600445508) |

## What reviewers say

### AutoSolar

[App page](https://appshunter.io/ios/app/autosolar-lithium/id1487592822)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sun Fun Kits BMS

[App page](https://appshunter.io/ios/app/sun-fun-kits-bms/id1600445506)

Manage your smart batteries and kits effortlessly with this free utility app. Monitor battery health, state of charge, and run diagnostics for compatible devices. Supports various models using the BLE protocol.

**Highlights:** Manage smart batteries and kits, View battery health, Check state of charge, Perform battery diagnostics, Supports BLE protocol devices

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AutoSolar free?

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

### Is Sun Fun Kits BMS free?

Sun Fun Kits BMS is free to download, with no in-app purchases.

### Do AutoSolar or Sun Fun Kits BMS have ads?

Neither AutoSolar nor Sun Fun Kits BMS shows ads.

### Which is updated more often, AutoSolar or Sun Fun Kits BMS?

AutoSolar ships an update every 15 months, and Sun Fun Kits BMS every 5 days. Most recently, AutoSolar was updated on October 29, 2026 and Sun Fun Kits BMS on October 30, 2026.

---

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