Send a message and we'll get back to you. It helps if you say which iPhone and which iOS version you're on, and what you were doing when the problem happened.
GET IN TOUCH
COMMON QUESTIONS
The alarm didn't sound
Check that your ringer isn't silenced and that the alarm volume slider in Settings → Sounds isn't at zero, and that the alarm tone isn't set to None. If you leave the app while a timer runs, the finish arrives as a notification — so allow notifications for Nixie Tube Timer in iOS Settings.
How do I change the color?
Tap the gear at the top of the timer screen. There are eight schemes — Neon Green, Cyber Blue, Amber Glow, Crimson Red, Deep Purple, Hot Pink, Sunny Yellow and Rainbow — and they switch instantly.
Can I add time while the timer is running?
Yes — that's the point. If a one-minute timer is down to thirty seconds and you need longer, tap +1m and the clock reads 1:30 and keeps counting. It never stops or resets. To choose which amounts appear, go to the gear → Add-Time Buttons and tap + for any duration you like; press and hold a button to remove it.
Can I use my own alarm sound?
Yes. Gear → Sounds → Alarm, choose Custom, and pick an audio file from your device.
How long can a timer be?
Up to 99 hours, 59 minutes and 59 seconds. The countdown is timed against the clock, so it stays accurate, and the screen is kept awake while it runs.
What data do you collect?
None. No accounts, no ads, no analytics, no tracking — the app never sends anything anywhere. Your settings and timers are stored on your own device and go nowhere else.
REQUIREMENTS
- iPhone running iOS 17 or later
- Portrait orientation
- No internet connection needed, ever