TailMark: Plane Spotter Log
Tail Number & Aircraft Log
About
Log aircraft sightings with detailed information, even offline. Track your spotting history, view flight paths, and identify planes using your camera. Offers advanced features and alerts with an optional subscription.
What's New in TailMark
1.1.9
October 31, 2026
New Overhead screen: see every aircraft flying over you right now, where to look, and log one with a tap; Pro adds alerts when a notable or never-logged aircraft passes your spot (quiet overnight, at most five a day). TailMark is now ad-free, so every sighting gets a clean screen. New optional streak reminder: off unless you turn it on, at a time you pick, with a Turn off button right on it. New Contact the developer row: I read every message myself.
MoreSubscriptions & In-App Purchases
TailMark Pro (Yearly)
Unlimited live flight tracking and more.
Developer apps
FAQ
What is TailMark?
TailMark is an offline plane-spotting logbook that allows you to log aircraft sightings, view their details, and track their flight paths. It uses a bundled database of over 300,000 US-registered aircraft.
Does TailMark work offline?
Yes, TailMark works entirely offline. The aircraft database is bundled directly within the app, so no internet signal is required for tail number lookups and logging sightings.
How can I identify an aircraft with TailMark?
You can type in the tail number, and TailMark will auto-fill the aircraft's details. Alternatively, you can point your camera at the aircraft's tail, and the app uses text recognition to read the registration.
What are the features of TailMark Pro?
TailMark Pro removes the daily limit on following aircraft live, adds unlimited photos per sighting, CSV export of your logbook, and optional digest alerts for notable aircraft near tracked airports. It offers monthly and yearly subscription plans.
Does TailMark have ads?
Yes, TailMark contains advertisements. The 'Overhead' feature, which lists aircraft within 10 nautical miles, is free for everyone and includes ads.
What is the pricing for TailMark Pro?
TailMark Pro is available as a monthly subscription for $2.99 or a yearly subscription for $14.99. Both plans include a 7-day free trial.
What devices does TailMark support?
Based on the provided data, TailMark currently supports iPhones. It is rated for ages 4 and up.
How often is TailMark updated?
The latest version of TailMark is 1.1.9, which was last updated on October 31, 2026. The app was initially released on September 16, 2026.
