# RS Charge vs AirHeater

The clearest difference is update cadence: RS Charge at every 4 weeks against AirHeater's every 5 months. 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.

RS Charge ships an update every 4 weeks, AirHeater every 5 months. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | RS Charge | AirHeater |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.5 (2 ratings)](https://appshunter.io/ios/app/airheater/id6748662396/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 5 months |
| Monetization | — | Free |
| Size | 50 MB | 11 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [LUOYANG RUICHUANG ELECTRICAL EQUIPMENT CO., LTD.](https://appshunter.io/developer/1826705678) | [力 李](https://appshunter.io/developer/1787815453) |

## What reviewers say

### RS Charge

[App page](https://appshunter.io/ios/app/rs-charge/id6748631018)

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

**In-app purchases:** none


### AirHeater

[App page](https://appshunter.io/ios/app/airheater/id6748662396)

Control your parking heater system remotely via Bluetooth. Turn the unit on/off, monitor its status, set timers, and adjust operating parameters directly from your mobile device.

**Highlights:** Remote on/off control, Real-time operating status, Timed on/off settings, Synchronize operation time, Configure main unit parameters

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RS Charge free?

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

### Is AirHeater free?

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

### Do RS Charge or AirHeater have ads?

Neither RS Charge nor AirHeater shows ads.

### Which is updated more often, RS Charge or AirHeater?

RS Charge ships an update every 4 weeks, and AirHeater every 5 months. Most recently, RS Charge was updated on October 25, 2026 and AirHeater on October 30, 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.*