Radiator Calculator vs Firehawk Data Scan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Radiator Calculator
Calculate the ideal radiator size and quantity for any room. Input room details like dimensions, glazing, and wall types to get precise recommendations. Save and email room specifications for later reference or client sharing.
- Calculate ideal radiator size and quantity
- Input room details (dimensions, glazing, walls)
- Supports Feet and Metres
- Save room specifications
- Email results to clients or self
- Adjust room type and adjacent room conditions
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'Radiator Calculator' is the must have app for plumbers, builders or home DIY-ers. It quickly and easily allows you to calculate the ideal number and size of radiators for any room in the house. Room details can be edited or saved for later use. You can even email the room specification and results to yourself or your clients. The app lets you adjust the following features for each room: Room Type (e.g. Living Room / Kitchen) Dimensions (switch between Feet and Metres easily) Glazed Area Glazing Type Number of external walls Wall type Type of room below (e.g. heated/air gap) Type of room above
Firehawk Data Scan
Extracts data from specific Firehawk Carbon Monoxide alarms. Supports models CO7B10Y, CO7BD, CO7B10W, and CO10-RF for data retrieval.
- Data extraction
- CO alarm monitoring
- Firehawk CO7B10Y support
- Firehawk CO7BD support
- Firehawk CO7B10W support
- Firehawk CO10-RF support
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Firehawk Data Scan App. Data extraction for Firehawk Carbon Monoxide Alarm CO7B10Y, CO7BD, CO7B10W & CO10-RF
Screenshots
Verdict
The clearest difference is review sentiment: Radiator Calculator at 55% against Firehawk Data Scan's 3%. Firehawk Data Scan's advantage is price (Free vs $1.99) and update cadence (every 5 weeks vs every 16 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Firehawk Data Scan is free to download; Radiator Calculator costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Radiator Calculator ships an update every 16 months, Firehawk Data Scan every 5 weeks. The most recent releases landed on September 24, 2026 and June 10, 2026 respectively.
| Parameter | Radiator Calculator | Firehawk Data Scan |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.8 (4 ratings) — better | — |
| Positive reviews | 54.5% of reviews — better | 3.3% of reviews |
| Number of ratings | 4 — better | — |
| Update frequency | Every 16 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 41 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Physmo | Graeme Brennan |
Customer experience
Radiator Calculator
Firehawk Data Scan
In-app purchases
Radiator Calculator
No in-app purchases
Firehawk Data Scan
No in-app purchases
