Zulu Time Widget vs CX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Zulu Time Widget
This app provides accurate Zulu/GMT/UTC time and date, along with a mission timer and time converter. It offers widgets for home and lock screens, and complications for smartwatches, making it a convenient tool for professionals and enthusiasts who need precise timekeeping.
- Zulu/GMT/UTC time and date display
- Mission/Event Timer
- Home Screen and Lock Screen Widgets
- Apple Watch Complications
- Time Converter Tool
- Split View support on iPad
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Full-featured and convenient Zulu Time App for iPhone, iPad and Apple Watch. Get the current Zulu/GMT/UTC Time, UTC or Julian Date and offset anytime, in any time zone. Super quick and convenient tool for pilots, military personnel, sailors, etc. Includes iPhone/iPad app, Home Screen, Lock Screen Widgets and Apple Watch app with complications showing the Zulu hour and date right on the watch face. Includes a robust Mission/Event Timer for synchronizing with Zulu Time Events such as IFR clearance void times, rocket launches, flight plans, ICAO border crossings, military maneuvers and missions, etc. On iPad, Zulu Time fully support split view allowing you to run it alongside a navigation app, for instance. Also show seconds and the current GMT date. TAF style UTC date format is available as an option. Includes an easy-to-use converter tool to convert any time between Zulu time and your current local timezone in either direction. When on the phone with Flight Service on a trip through Canada, just swipe to bring up the Home Screen and find the current Zulu Time as a widget. If you have an Apple Watch, it's even easier! Just glance at your watch with the included complications. Leaving in 3.5 hours? Just slide the time slider on either the iPhone/iPad or Apple Watch Planner view forward to get the Zulu time for 3.5 hours from now. No need to do math in your head! Zulu Time automatically adjusts for daylight savings and your local time zone. Add a widget to your Home Screen by long pressing on your Home Screen, then tapping the "+" in the upper left corner and selecting any of the Zulu Time Widgets.
CX
This aviation tool simplifies flight planning for pilots. It offers accurate calculations for time, speed, distance, fuel, and more, along with unit conversions and a built-in calculator. Designed for ease of use, it guides users through flight planning and execution with a natural menu flow.
- Flight planning calculations
- Time, speed, distance functions
- Fuel and altitude calculations
- Unit conversions (12 categories)
- Weight and balance calculations
- Holding pattern details
- Built-in calculator, clock, timer
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Based on the ASA CX-3® Flight Computer for pilots, this CX-3 app makes flight planning simple by taking confusion out of the equation. Fast, versatile and easy to use, the CX-3® delivers accurate results quickly and efficiently. Whether used for flight planning, ground school, or FAA Knowledge Exam preparation, the menu organization reflects the order in which a flight is normally planned and executed, resulting in a natural flow from one function to the next with a minimum of keystrokes. Multiple aviation functions can be performed on the CX-3® flight computer including those related to time, speed, distance, heading, wind, fuel, altitude, cloud base, standard atmosphere, glide, climb & descent, weight & balance, as well as a holding pattern function to help determine entry method and holding details. The CX-3® has 12 unit-conversions: Distance, Speed, Duration, Temperature, Pressure, Volume, Rate, Weight, Rate of Climb/Descent, Angle of Climb/Descent, Torque, and Angle. These 12 conversion categories contain 38 different conversion factors for over 100 functions. A calculator, clock, timer, and stopwatch are also built in along with multiple settings for lighting, backlighting, themes, time zones and more.
Screenshots
Verdict
The clearest difference is price: Zulu Time Widget at $3.99 against CX's $19.99. Zulu Time Widget also leads on rating (4.7 vs 3.7) and update cadence (every 6 weeks vs every 8 months). On ads, in-app purchases, device support and iOS requirement 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
Zulu Time Widget costs $3.99 and CX $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Zulu Time Widget holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: Zulu Time Widget has 838 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 56% of Zulu Time Widget's written reviews are positive against 36% of CX's.
Zulu Time Widget ships an update every 6 weeks, CX every 8 months. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.
| Parameter | Zulu Time Widget | CX |
|---|---|---|
| Price | $3.99 — better | $19.99 |
| Rating | 4.7 (838 ratings) — better | 3.7 (11 ratings) |
| Positive reviews | 55.6% of reviews — better | 35.7% of reviews |
| Number of ratings | 838 — better | 11 |
| Update frequency | Every 6 weeks — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Best chart rank | #163 — better | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPad |
| Requires iOS | 17.0 — better | 17.2 |
| Further details — not scored | ||
| Size | 13 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Rate Of Climb Industries | ASA |
Customer experience
Zulu Time Widget
CX
Bugs and requests
Zulu Time Widget
Reported bugs
3 issues- Complication stops updating after a while
- Zulu time numbers cut off by UTC date
- App not compatible with older iOS versions
Requested features
5 requests- Option to turn off seconds display
- Display Zulu date format on Apple Watch
- Add support for older Apple Watch models
- Larger Zulu time complication on Apple Watch
- Show both local and Zulu time in widget
CX
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Zulu Time Widget
No in-app purchases
CX
No in-app purchases









