ATTMA Air Tightness App vs PlotBREL
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ATTMA Air Tightness App
This utility app helps organize and complete building air tightness testing according to various industry standards. It allows companies to upload site details for teams, and testers to record building and test information, including photos and deviations, before submitting results for certification.
- Organize building air tightness tests
- Complete tests to TSL1, TSL2, CIBSE TM23, ASTM E779-19, BS EN 13829:2001 standards
- Upload and allocate site/plot details
- Record initial building and test details
- Capture photos and preparations
- Enter test values
- Highlight deviations from test standards
- Submit results for certification
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This app, used in conjunction with the ATTMA members portal, allows for the organisation and completion of building air tightness testing to TSL1, TSL2, CIBSE TM23, ASTM E779-19 and BS EN 13829:2001 standards. Companies can upload and allocate site and plot details for their site teams to download. Testers can use the app to collect initial building and test details including photos, preparations and deviations and then enter the values required to conduct the actual air tightness test. The app will highlight any unintentional deviations from the test standard before allowing the tester to submit the results back to the members portal from where a certificate of air permeability test can be raised.
PlotBREL
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PlotBREL: Your Comprehensive Compliance Partner for New Home Construction. Ensure seamless adherence to Part L BREL regulations and contribute to sustainability in the construction industry. PlotBREL simplifies Part L assessments, generates real-time reports, saves time & cost and avoids rework. Download PlotBREL now.
Screenshots
Verdict
The clearest difference is device support: PlotBREL at 3 against ATTMA Air Tightness App's 1. ATTMA Air Tightness App's advantage is iOS requirement (11.0 vs 15.0). 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 2 months. The most recent releases landed on June 10, 2026 and September 8, 2026 respectively.
| Parameter | ATTMA Air Tightness App | PlotBREL |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 30 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | AIR TIGHTNESS TESTING & MEASUREMENT ASSOCIATION | Wwrightapp Ltd |
In-app purchases
ATTMA Air Tightness App
No in-app purchases
PlotBREL
No in-app purchases
Questions
Is ATTMA Air Tightness App free?
Is PlotBREL free?
Do ATTMA Air Tightness App or PlotBREL have ads?
Which is updated more often, ATTMA Air Tightness App or PlotBREL?
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