MiREG Plus vs Gastite Sizing App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MiREG Plus
This app allows Gas Safe registered engineers to easily register Intergas boilers and generate necessary installation certificates. It streamlines the process for compliance and record-keeping.
- Register Intergas boilers
- Produce Benchmark certificate
- Generate Gas installation certificate
- Installer web-based portal access
- Free to use
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App to register Intergas Heating boilers with Gas Safe Register and produce Benchmark certificate, and Gas installation certificate for free. Accompanied by installer web-based portal.
Gastite Sizing App
This app simplifies calculating the required size of Gastite® CSST for gas installations. Input gas type, CSST length, and appliance power to instantly determine the correct size. It offers easy navigation, user-friendly design, and access to FAQs and installation guides.
- CSST sizing calculation
- Natural gas or LPG selection
- Access to FAQs
- Downloadable installation guide
- User-friendly design
- Contact support
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With the Gastite® Sizing APP it is easy to calculate the size of Gastite® CSST your next gas installation will require. Simply add basic information, including gas type, CSST length and appliance Max KW, and the app will instantly identify the size of Gastite® CSST the installation will require. Key features include: • Easy navigation • Intuitive, user-friendly design • Choose from natural gas or LPG depending on the installation • Access a range of frequently asked questions • Download the comprehensive Design & Installation Guide • Contact us Cost-effective and flexible, the Gastite® system has been designed to offer ease of installation and is suitable for both internal and external installation, including direct burial, according to manufacturer’s instructions. Supplied in one continuous, pre-marked by the metre, length, Gastite® CSST requires only simple hand tools and no hot works for successful installation. The Gastite® system should only be installed according to manufacturer’s instructions. Gas installation work should only be carried out by a business or self-employed operative who is a member of a class of persons approved by the Health & Safety Executive (HSE). The current registration body is the Gas Safe Register.
Screenshots
Verdict
The clearest difference is review sentiment: Gastite Sizing App at 100% against MiREG Plus's 78%. On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 15, 2026 and June 5, 2026 respectively.
| Parameter | MiREG Plus | Gastite Sizing App |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 77.8% of reviews | 100.0% of reviews — better |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 22 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | 1st Green Deal Ltd | Gastite Systems Limited |
Customer experience
MiREG Plus
Gastite Sizing App
In-app purchases
MiREG Plus
No in-app purchases
Gastite Sizing App
No in-app purchases
