Tail Number offline database vs ZuluTime+GPS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tail Number offline database
Access a comprehensive database of aircraft registration information without needing an internet connection. Track the planes you observe in the sky with this offline utility.
- Offline aircraft database
- FAA registration lookup
- Transport Canada registration lookup
- Track seen aircraft
- No internet required
Read full descriptionHide full description
Use Tail Number offline database to look up aircraft even when you don't have cell service! Tail Number offline database has a copy of all aircraft publicly registered with the FAA and Transport Canada, and can be used to keep track of which ones you've seen while airborne.
ZuluTime+GPS
This app provides pilots and others with instant, at-a-glance access to accurate Zulu (UTC) and local time, along with live GPS coordinates including latitude, longitude, altitude, and accuracy. It features a high-contrast dark interface, customizable units, and options to keep the screen on or toggle GPS to save battery.
- Large, easy-to-read time display (Zulu/UTC and local)
- Live GPS coordinates (latitude, longitude, altitude, accuracy)
- CAP grid reference calculation
- Customizable units (meters/feet)
- Continuous clock display option
- Battery-saving GPS toggle
Read full descriptionHide full description
ZuluTime GPS is the essential cockpit companion for pilots and anyone else who needs accurate time and position data at a glance. Time at a Glance Instantly see both Zulu (UTC) and local time displayed in large, easy-to-read monospaced digits. Never fumble with time zone math during preflight or mission briefings again. Live GPS Coordinates Track your real-time position with latitude, longitude, altitude, and accuracy — all displayed clearly on screen. Altitude and accuracy display in your choice of meters or feet. CAP Grid Reference Automatically calculates your CAP grid reference from your current GPS position. Built for the Field Keep the screen on so it acts as a continuous clock display Toggle GPS tracking on or off to save battery Choose meters or feet for altitude and accuracy Clean, high-contrast dark interface readable in any lighting Zulu Time provides time and location reference information only and is not intended for navigation, aviation, maritime, or safety-critical use.
Screenshots
Verdict
The clearest difference is device support: Tail Number offline database at 3 against ZuluTime+GPS's 1. Tail Number offline database also leads on iOS requirement (13.0 vs 17.0). ZuluTime+GPS's advantage is ratings volume (3 vs 1). On price, rating, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Tail Number offline database against 5.0 for ZuluTime+GPS. Both are backed by a comparable volume of ratings — 1 and 3 respectively.
Tail Number offline database ships an update monthly, ZuluTime+GPS every 3 weeks. Both last shipped on October 24, 2026.
| Parameter | Tail Number offline database | ZuluTime+GPS |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (3 ratings) |
| Number of ratings | 1 | 3 — better |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 78 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Dan Driscoll | Addison English |
Customer experience
Tail Number offline database
ZuluTime+GPS
In-app purchases
Tail Number offline database
No in-app purchases
ZuluTime+GPS
No in-app purchases
Questions
Is Tail Number offline database free?
Is ZuluTime+GPS free?
Which has better reviews, Tail Number offline database or ZuluTime+GPS?
Do Tail Number offline database or ZuluTime+GPS have ads?
Which is updated more often, Tail Number offline database or ZuluTime+GPS?
Other comparisons















