# BFOUR+ vs WatchDog Key

The clearest difference is in-app purchases: BFOUR+ at none against WatchDog Key's 2. BFOUR+ also leads on iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. WatchDog Key sells 2 in-app purchases, starting at $2.99 per month. BFOUR+ asks for nothing beyond the download.

## The numbers

| Metric | BFOUR+ | WatchDog Key |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/bfour-plus/id6751936754/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 81 MB | 5 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Lankexun Intelligent Technology Co., Ltd.](https://appshunter.io/developer/1761006180) | [LA Software](https://appshunter.io/developer/1863073729) |

## What reviewers say

### BFOUR+

[App page](https://appshunter.io/ios/app/bfour-plus/id6751936754)

This smart cooking assistant connects to a wireless meat thermometer for real-time temperature monitoring and guided cooking. It offers alerts, custom calibration, and cooking history to help achieve perfect results for various meat types and doneness levels.

**Highlights:** Real-time temperature monitoring, WiFi wireless meat thermometer support, Guided cooking system, Ambient temperature detection, High-temperature calibration, Push notifications for alerts, Cooking history and charts

**Features:** macOS Compatibility

**In-app purchases:** none


### WatchDog Key

[App page](https://appshunter.io/ios/app/watchdog-key/id6763904473)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WatchDog Premium · Monthly | $2.99 | per month |
| WatchDog Premium · Yearly | $24.99 | per year |


## Frequently asked questions

### Is BFOUR+ free?

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

### Is WatchDog Key free?

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

### Do BFOUR+ or WatchDog Key have ads?

Neither BFOUR+ nor WatchDog Key shows ads.

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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.*