Comparison

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.

Head to head
About

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.

Highlights
  • Offline aircraft database
  • FAA registration lookup
  • Transport Canada registration lookup
  • Track seen aircraft
  • No internet required
Features
Read 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.

About

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.

Highlights
  • 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
Features
Read 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

Tail Number offline database4 screens
ZuluTime+GPS2 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Tail Number offline database ships an update monthly, ZuluTime+GPS every 3 weeks. Both last shipped on October 24, 2026.

Scorecard3 real differences · 6 level
Tail Number offline database versus ZuluTime+GPS: the parameters behind the verdict, then further details
ParameterTail Number offline databaseZuluTime+GPS
PriceFreeFree
Rating5.0 (1 ratings)5.0 (3 ratings)
Number of ratings13 — better
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17.0
Further details — not scored
Size78 MB3 MB
Age rating4+4+
DeveloperDan DriscollAddison English

Customer experience

Tail Number offline database

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

ZuluTime+GPS

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Tail Number offline database

No in-app purchases

None

ZuluTime+GPS

No in-app purchases

Questions

Is Tail Number offline database free?
Tail Number offline database is free to download, with no in-app purchases.
Is ZuluTime+GPS free?
ZuluTime+GPS is free to download, with no in-app purchases.
Which has better reviews, Tail Number offline database or ZuluTime+GPS?
Tail Number offline database and ZuluTime+GPS are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.
Do Tail Number offline database or ZuluTime+GPS have ads?
Neither Tail Number offline database nor ZuluTime+GPS shows ads.
Which is updated more often, Tail Number offline database or ZuluTime+GPS?
Tail Number offline database ships an update monthly, and ZuluTime+GPS every 3 weeks. Most recently, Tail Number offline database was updated on October 24, 2026 and ZuluTime+GPS on October 24, 2026.

Other comparisons