# CarAudioApp vs BMI Calculator⁺

The clearest difference is in-app purchases: CarAudioApp at none against BMI Calculator⁺'s 3. CarAudioApp also leads on iOS requirement (12.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. BMI Calculator⁺ sells 3 in-app purchases, starting at $4.99 per 7 days. CarAudioApp asks for nothing beyond the download.

CarAudioApp ships an update every 4 months, BMI Calculator⁺ every 3 months. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CarAudioApp | BMI Calculator⁺ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Size | 16 MB | 14 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen EASYWAY Technology Co., Ltd.](https://appshunter.io/developer/1525814132) | [PAROS PONTON E.E.](https://appshunter.io/developer/1886285927) |

## What reviewers say

### CarAudioApp

[App page](https://appshunter.io/ios/app/caraudioapp/id6673899081)

**Features:** macOS Compatibility

**In-app purchases:** none


### BMI Calculator⁺

[App page](https://appshunter.io/ios/app/bmi-calculator/id6760796135)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BodySyncs PRO (weekly) | $4.99 | per 7 days |
| BodySyncs PRO (monthly) | $12.99 | per month |
| BodySyncs PRO (yearly) | $49.99 | per year |


## Frequently asked questions

### Is CarAudioApp free?

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

### Is BMI Calculator⁺ free?

BMI Calculator⁺ is free to download, with in-app purchases available.

### Do CarAudioApp or BMI Calculator⁺ have ads?

Neither CarAudioApp nor BMI Calculator⁺ shows ads.

### Which is updated more often, CarAudioApp or BMI Calculator⁺?

CarAudioApp ships an update every 4 months, and BMI Calculator⁺ every 3 months. Most recently, CarAudioApp was updated on October 27, 2026 and BMI Calculator⁺ on October 31, 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.*