TailMark: Plane Spotting Log
Tail Number & Aircraft Log
About
Log aircraft sightings with this offline plane-spotting companion. Instantly identify aircraft details from a built-in database, track your spotting history with detailed stats, and view flight paths. Earn badges and manage your logbook with advanced features.
What's New in TailMark
1.1.6
October 17, 2026
A TailMark Pro purchase that finishes while the app is closed now unlocks on its own the next time you open it, and Settings has a new row to rate TailMark.
MoreSubscriptions & In-App Purchases
TailMark Pro
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, identify aircraft details from a built-in database, and track your spotting history. It also offers features like viewing flight paths and earning achievement badges.
Does TailMark have ads?
Yes, TailMark contains advertisements. The 'TailMark Pro' subscription removes ads and unlocks additional features.
How much does TailMark Pro cost?
TailMark Pro is available as a monthly subscription for $2.99 or a yearly subscription for $14.99. The yearly plan includes a 7-day free trial.
Can I use TailMark offline?
Yes, TailMark works entirely offline. It bundles a database of over 300,000 US-registered aircraft directly inside the app, so no network connection is required for basic functionality.
What information does TailMark provide about an aircraft?
When you enter a US tail number, TailMark instantly provides the manufacturer, model, category, and engine type of the aircraft. This information is pulled from its internal database.
How often is TailMark updated?
The latest version of TailMark is 1.1.6, and it was last updated on October 17, 2026. Updates typically include database refreshes and feature enhancements.
What devices does TailMark support?
TailMark is currently supported on iPhone devices. The app is rated for ages 4 and up.
Can I export my logbook data from TailMark?
CSV export of your full logbook is an exclusive feature of TailMark Pro. This allows you to save and analyze your spotting data outside of the app.
