What Tablif read on Unruh's site
Unruh describes itself as: “Unruh — Watch Accuracy Measured Against Atomic Time”
- Price model: One-time · free tier
- Free tier: Free up to a limit
- Stage: Live, no waitlist
- How it differs: “The reference comes from atomic time via NTP synchronisation, not from your phone's clock”
What it is
Calls itself “mechanical watch”.
- Calls itself: mechanical watch
“Is your mechanical watch running fast or slow?”
Where it puts itself
Rules out “collects nothing about you”.
- Says it will not: collects nothing about you
“The reference comes from atomic time via NTP synchronisation, not from your phone's clock”
“Unruh collects nothing about you.”
What it costs
One-time purchase. A free tier up to a usage limit. No monthly plan.
- One-time: yes
- Monthly: no
- Free plan: free up to a limit
“UNRUH PRO: ONE-TIME PURCHASE, NO SUBSCRIPTION”
“Free · Unruh Pro is a one-time purchase, not a subscription”
Who it sells to
Sells to consumers. Available in 2 languages.
- Sells to: consumers
- Languages: English · German
“Downloads and copies of this page are permitted for private, non-commercial use only.”
“…fully localised in English and German.”
How it runs
A mobile app for iOS. Runs locally and works offline. Distributed through the App Store.
- Kind: mobile
- Runs on: iOS
- Runs where: on the device, offline
- Distributed via: App Store
“For iPhone, fully localised in English and German.”
“For iPhone”
What it works with
Names 1337 Studios, COSC Chronometer and 2 more on its pages.
- Names: 1337 Studios · COSC Chronometer · METAS Master Chronometer · +1
“1337 Studios”
“COSC Chronometer”
Sources
Tablif read these pages, last on 30 Sept 2026. Everything above is what the product says about itself; Tablif does not verify every claim.
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