Last updated: 29 September 2026
TickTrue is a phone-mic mechanical watch acoustic timegrapher by Zarkon (zarkon.co.uk).
TickTrue uses the microphone (RECORD_AUDIO) to hear watch ticks and estimate rate on-device. Audio stays on your device and is never uploaded to Zarkon or third parties.
Optional lifetime Pro unlock (ticktrue_pro_unlock) is processed by Google Play Billing. No subscription.
Session cards and settings are stored locally on your device. No accounts, no cloud sync, no guest QR feed.
TickTrue has no ads.
zarkon.co.uk — Richard Ross / Zarkon