Zulu Time vs Simionic G1000 (PFD)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Zulu Time
This app displays local and UTC (Zulu) time, along with multiple time zones, on your iPhone, Apple Watch, and iPad. It offers widgets for quick access and features for calculating future or past times with offsets, simplifying timezone conversions for various professions.
- Display local and Zulu (UTC) time
- Multiple time zone display
- Home and Lock Screen widgets
- Apple Watch complications
- Future/past time offset calculations
- Time zone conversion
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An iPhone, Apple Watch and iPad app to see Local and Zulu time (GMT) or multiple time zones in a single glance. Includes Widgets for both the iPhone and Apple Watch. Useful for pilots in getting weather briefings and filing flight plans, or Ham radio operators to do timezone conversions. No more worrying about getting the timezone offset correct or Daylight Savings Time conversions. Easily convert from different time zones, including times in the future or past. On the iPhone: - Home and Lock Screen widgets - The Zulu Time page gives a quick view of both Zulu and Local times - The Offset Time page allows you to see Zulu and local time either in the future or past by entering an offset via the Offset button. Tapping either Zulu or Local times will allow you to enter a time in the future or past, synchronizing both Local and Zulu times with that offset. The offset only applies to this view (except on the iPad the offset applies to everything on the page) - The Multiple Zones page allows you to add as many time zones as you wish in a scrolling view. Clicking on any Time Zone will allow you to change it. on iPad: All information is combined on one screen. You have user customizable time zones on the right hand side. On the left, you have Zulu and Local time and one customizable time zone. The offset to see future or past time can be done via the Offset button or tapping any of either the Zulu, Local or Custom time buttons on the left. On the Watch: Complications available in all watch faces making for glanceable ZuluTime and access to the app, which gives offset able time computation.
Simionic G1000 (PFD)
This app simulates the primary flight display (PFD) of the Garmin G1000 avionics system. It offers realistic functionality for navigation, flight planning, and autopilot control, making it ideal for aviation enthusiasts and pilots for practice and fun.
- Simulates Garmin G1000 PFD
- Navigation and flight plan functionality
- Autopilot and flight director modes
- Control surface implementation via device tilt
- Global navigation database
- Standalone trainer or instrument for flight simulators
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Check out this video: https://www.youtube.com/watch?v=3xePnu3MsBQ IMPORTANT NOTICE: 1. This app emulates G1000 PFD functionalities only. It does not include MFD functionalities. To obtain MFD functionalities, download the MFD app from AppStore which can co-operate with this app(PFD) via wifi connection. Download address of PFD app: http://itunes.apple.com/us/app/id827464105?mt=8 2. This app is for practice only. The navigation database included in this app may be outdated and very possible to be different from what it is in real life. Disclaimer: -Simionic and the seller are not affiliated with Garmin, -The app is not provided, approved, endorsed, or otherwise supported by Garmin. Garmin G1000 is an integrated avionic system used in many small aircrafts. This simulator simulates a primary flight display(PFD) which is used on Cessna 182T, 172S, 172R, 206H and Beechcraft Baron G58. It can also be configured to adapt piston, turboprop and jet engines. Most of the useful functionalities has been implemented in this simulator, such as navigation, inset map, flight plan, flight director, and autopilot. Besides of that, nearly every nob/button is functioning just like they were on the real G1000. G1000 is a highly integrated system, it is very powerful and also very complicated. It is recommended that you have a real G1000 user guide from Garmin. This simulator can be used by aviation enthusiasts as well as pilots to perform either an IFR training or just fly for fun. There is a global navigation database included in this simulator, and you can fly any where in the world. This simulator supports FSX, Prepar3D, MSFS2020, X-Plane and InfiniteFlight. You can use this simulator either as a stand alone trainer or as an instrument for FSX, Prepar3D, X-Plane or InfiniteFlight. You need G1000Bridge(X) to make this simulator working with FSX, Prepar3D, MSFS2020 or X-Plane. Please visit http://www.simionic.net to download G1000Bridge(X). Detail list of functionalities: *Control surface implementation +Pitch and bank are controlled by tilting the device using built-in accelerometer. +Throttle and rudder are controlled by touching the screen. *Flight director modes implementation +Pitch modes -Pitch Hold: Yes -Selected Altitude Capture: Yes -Altitude Hold: Yes -Vertical Speed: Yes -Flight Level Change: Yes -Vertical Path Tracking: Yes -VNV Target Altitude Capture: Yes -Glidepath: Yes -Glideslope: Yes -Go Around: Yes +Roll modes -Roll Hold: Yes -Heading Select: Yes -Navigation: Yes -Backcourse: Yes -Approach: Yes -Go Around: Yes *Autopilot: Yes *Flight plan +Store Flight Plan: Yes(only when MFD connected) +Invert Flight Plan: Yes +Closest Point Of FPL: No +Parallel Track: Yes +Create ATK Offset Waypoint: Yes +Direct-to: Yes, with vertical constraints and offset +Terminal Procedures: Yes +User defined holding patterns: Yes *Navigation database: Global, but may not as detailed or updated as they are in the real G1000. *Inset map: Zoom in/out, browsing, partly de-clutter, topo and terrain are implemented, all the navaids are displayed properly. No traffic, storm scope, NEXRAD radar information and XM information. *Other functionalities +Synthetic Vision as an In-App-Purchase item +All the navaids operations(VOR/ILS course select, ADF/VOR/Waypoint bearing indicator, CDI indicator, etc) +All the PFD settings(Wind, Bearing1/2, HSI format, Alt unit, Standard baro, etc) +DME source select: Yes +Transponder settings: Yes +Timer and references(V speeds and minimums): Yes +Advisory and alerts: Yes +ADF dip: Yes +Magnetic variation: automatic *Flight simulator connection +FSX: Yes +Prepar3D: Yes +MSFS2020: Yes +X-Plane: Yes +Infinite Flight: Yes, requires 19.4 and later *MFD connection: Via wifi
Screenshots
Verdict
The clearest difference is rating: Zulu Time at 4.8 against Simionic G1000 (PFD)'s 3.5. Zulu Time also leads on price ($0.99 vs $9.99) and in-app purchases (none vs 3). Simionic G1000 (PFD)'s advantage is iOS requirement (9.0 vs 17.6). On update cadence, ads and device support 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 costs $0.99 and Simionic G1000 (PFD) $9.99 up front. Simionic G1000 (PFD) sells 3 one-off in-app purchases. Zulu Time asks for nothing beyond the download.
Zulu Time holds the better App Store score, 4.8 against 3.5. That said, the two scores are not equally well evidenced: Zulu Time has 2.6K ratings behind it against 136, so its average is the more settled of the two. Written reviews point the same way: 79% of Zulu Time's written reviews are positive against 52% of Simionic G1000 (PFD)'s.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.
| Parameter | Zulu Time | Simionic G1000 (PFD) |
|---|---|---|
| Price | $0.99 — better | $9.99 |
| Rating | 4.8 (2.6K ratings) — better | 3.5 (136 ratings) |
| Positive reviews | 78.6% of reviews — better | 51.6% of reviews |
| Number of ratings | 2.6K — better | 136 |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, Apple Watch — better | iPad, Mac |
| Requires iOS | 17.6 | 9.0 — better |
| Further details — not scored | ||
| Size | 16 MB | 1.9 GB |
| Age rating | 4+ | 4+ |
| Developer | Derek Spears | 晨 李 |
Customer experience
Zulu Time
Simionic G1000 (PFD)
User reviews
Zulu Time
From 2.6K App Store ratingsWhat we love
- 🚀 Zulu time on command
- 🔒 Robust security features
- 👍 Easy to read and use
- 👍 Excellent for aviation and radio operators
- 👍 Customizable and syncs correctly
Room to improve
- 🐛 Watch complication not updating consistently
- 🐛 Local time not displaying correctly on widget
- 🐛 Complication shows only hours, not full time
- 🐛 Difficulty setting with Daylight Saving Time
Simionic G1000 (PFD)
From 136 App Store ratingsWhat we love
- 🚀 Fantastic for learning IFR ops
- 👍 Great for practicing autopilot
- 👍 Useful for learning the G1000
- 👍 Works well with simulators
- 👍 Realistic G1000 implementation
Room to improve
- 🐛 App crashes during approaches
- 🐛 Glitchy and unstable behavior
- 🐛 Difficult to use knobs and controls
- 🐛 Inaccurate CDI and navigation
- 🐛 Missing key G1000 functionality
Bugs and requests
Zulu Time
Reported bugs
3 issues- Complication freezes after a few days
- Zulu time loses accuracy over time on Apple Watch
- Widget not updating local time properly
Requested features
5 requests- Add alarm feature
- Allow landscape mode for bedside clock view
- Provide option for always-on display
- Add time zone map for quick reference
- Show day of year in display
Simionic G1000 (PFD)
Reported bugs
5 issues- App crashes during approaches
- Altitude and heading bugs not working correctly
- FMS and flight plan integration issues
- Autopilot and VNAV not functioning as expected
- Frequent disconnects from flight simulators
Requested features
5 requests- Add support for hPa altimeter settings
- Improve flight plan integration with simulators
- Add VNAV and vertical profile functionality
- Provide more comprehensive instructions and documentation
- Expand compatibility to more aircraft and simulators
In-app purchases
Zulu Time
No in-app purchases
Simionic G1000 (PFD)
- Beechcraft Baron G58$1.99
- Aircraft Customization$1.99
- Synthetic Vision$5.99
Questions
Is Zulu Time free?
Is Simionic G1000 (PFD) free?
Which has better reviews, Zulu Time or Simionic G1000 (PFD)?
Do Zulu Time or Simionic G1000 (PFD) have ads?
Which is updated more often, Zulu Time or Simionic G1000 (PFD)?
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