# Firehawk Data Scan vs Winching Calc

The clearest difference is price: Firehawk Data Scan at Free against Winching Calc's $4.99. Firehawk Data Scan also leads on update cadence (every 5 weeks vs every 3 months) and iOS requirement (13.0 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

Firehawk Data Scan is free to download; Winching Calc costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Firehawk Data Scan ships an update every 5 weeks, Winching Calc every 3 months. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Firehawk Data Scan | Winching Calc |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Positive reviews | 3.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 6 MB | 18 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Graeme Brennan](https://appshunter.io/developer/1518735429) | [Aled Bound](https://appshunter.io/developer/1811888961) |

## What reviewers say

### Firehawk Data Scan

[App page](https://appshunter.io/ios/app/firehawk-data-scan/id1587368417)

Extracts data from specific Firehawk Carbon Monoxide alarms. Supports models CO7B10Y, CO7BD, CO7B10W, and CO10-RF for data retrieval.

**Highlights:** Data extraction, CO alarm monitoring, Firehawk CO7B10Y support, Firehawk CO7BD support, Firehawk CO7B10W support, Firehawk CO10-RF support

**Features:** macOS Compatibility

**In-app purchases:** none


### Winching Calc

[App page](https://appshunter.io/ios/app/winching-calc/id6745356225)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Firehawk Data Scan free?

Firehawk Data Scan is free to download, with no in-app purchases.

### Is Winching Calc free?

Winching Calc costs $4.99, with no in-app purchases.

### Do Firehawk Data Scan or Winching Calc have ads?

Neither Firehawk Data Scan nor Winching Calc shows ads.

### Which is updated more often, Firehawk Data Scan or Winching Calc?

Firehawk Data Scan ships an update every 5 weeks, and Winching Calc every 3 months. Most recently, Firehawk Data Scan was updated on October 14, 2026 and Winching Calc on October 11, 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.*