TireCalc: Bike Tire Pressure
Rene Scheucher Utilities iPhoneiPadiPod touch
TireCalc: Bike Tire Pressure is a free Utilities app for iPhone and iPad by Rene Scheucher. Requires iOS 17.6. Updated October 20, 2026.
- Price
- Free
- on the App Store
- Size
- 5 MB
- Age 4+
- Updated
- Oct 20
- 2026 · v1.2
Screenshots
About TireCalc: Bike Tire Pressure
Bike tire pressure in seconds – front and rear, in PSI and bar. No account, no ads, no tracking, works offline. SAFE FOR HOOKLESS AND TUBES • Hookless rims: TireCalc caps pressure at 72 PSI (5 bar) per ETRTO • Pinch-flat warning when pressure gets too low with inner tubes • Fixed safety limits for every bike type EVERYTHING THAT DRIVES PRESSURE • Road, gravel, MTB and fat bike • Clincher, tubeless or tubular • Hooked or hookless – now with rim inner width • Five surfaces from smooth tarmac to offroad • Wet conditions: −5% for more grip • Temperature compensation: pump in a warm garage, ride in the cold • Total weight from 88 to 330 lbs (40–150 kg) YOUR SETUP, YOUR FEEL Save every bike as a profile and switch with one tap. New: per-profile fine-tuning – if the pressure feels too firm or too soft, adjust front and rear separately. ALWAYS AT A GLANCE • Home and Lock Screen widget: your front and rear pressure at a glance • Pressure check reminder: weekly, every two weeks or monthly – with seasonal tips • Available in English, German, Spanish and French TRANSPARENT, NOT A BLACK BOX TireCalc uses the Berto/Adams formula, a recognized reference for bicycle tire pressure. The method and every correction are explained in the app. You get a proven starting point with a pressure range. TIRECALC PRO Try it free for 7 days, then a yearly subscription. Cancel anytime. • All bike, tire and rim types • All surfaces and wet correction • Rim inner width and fine-tuning • Home and Lock Screen widget • Temperature compensation and pressure range (±8%) • Unlimited bike profiles Free to use: road bike with inner tubes on smooth roads. Privacy Policy: https://tirecalc.nexusrs.com/privacy.html Terms of Use: https://tirecalc.nexusrs.com/terms.html
What’s new
Version 1.2 · Updated October 20, 2026
New in 1.2: • Home and Lock Screen widget: your recommended front and rear pressure, always at a glance (Pro). • Pressure check reminder: get a nudge weekly, every two weeks or monthly – with seasonal tips when it gets colder. • Rim inner width: wide rims make the tire wider – TireCalc now accounts for it. • Per-profile fine-tuning: adjust front and rear pressure by up to ±0.5 bar (±7 PSI). • The pinch-flat warning no longer shows up needlessly for road bikes. • Switching profiles now keeps the saved tire width.
App privacy
The developer, Rene Scheucher, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| TireCalc: Bike Tire Pressure | – | Free | October 20, 2026 | |
| PsiCling - Bike Tire Pressure | – | Free | Aug 23, 2026 | Compare |
| TPCalc | – | Free | Jun 5, 2026 | Compare |
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| FuelFare: Trip Cost Calculator | – | Free | Apr 13, 2026 | Compare |