# HeatNext vs Sun Fun Kits BMS

The clearest difference is in-app purchases: Sun Fun Kits BMS at none against HeatNext's 1. Sun Fun Kits BMS also leads on update cadence (every 5 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. HeatNext sells 1 in-app purchase, starting at $22.90 per year. Sun Fun Kits BMS asks for nothing beyond the download.

HeatNext ships an update every 2 months, Sun Fun Kits BMS every 5 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | HeatNext | 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 | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | — | Free |
| Size | 44 MB | 193 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NOMNIO d.o.o.](https://appshunter.io/developer/1440372439) | [sunfunkits](https://appshunter.io/developer/1600445508) |

## What reviewers say

### HeatNext

[App page](https://appshunter.io/ios/app/heatnext/id1440372440)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Package | $22.90 | per year |


### 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 HeatNext free?

HeatNext is free to download, with in-app purchases available.

### Is Sun Fun Kits BMS free?

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

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

Neither HeatNext nor Sun Fun Kits BMS shows ads.

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

HeatNext ships an update every 2 months, and Sun Fun Kits BMS every 5 days. Most recently, HeatNext was updated on November 2, 2026 and Sun Fun Kits BMS on November 3, 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.*
