DIY Companion
An ad-free iOS toolkit — spirit level, wall scanner, torch, ruler and noise meter. No subscriptions, no ads, no data collection. Just a one-time purchase.
Launch offer — £1.99 until 6 September 2026, then £3.99. One payment, yours forever.
Key Features
- Spirit Level — get a precise level reading using your device's sensors
- Wall Scanner — detect studs and hidden objects behind walls
- Ruler — an on-screen ruler in cm or inches, calibrated to your iPhone
- Noise Meter — measure ambient sound levels in real time
- Torch — a simple, reliable flashlight for working in dark spaces
Requirements
iPhone running iOS 17.0 or later. Works completely offline.
Sensor accuracy depends on your device’s hardware and calibration. DIY Companion is not a substitute for professional tools on safety-critical work.
Feedback
Found a bug, or want a tool added? Email hello@cttech.io — or open an issue on GitHub. If the app has been useful, a rating on the App Store genuinely helps.
Open Source
I believe in building in the open. You can follow the development, report issues, or even contribute to the codebase over on GitHub.
Legal
App Store is a registered trademark of Apple Inc.