Comparison

iFMS vs Compass for Watch

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

iFMS

Enhance your flight simulator experience with a realistic Boeing-style Flight Management System and cockpit displays on your mobile device. Build a home cockpit and connect to popular simulators over your local network for immersive practice.

Highlights
  • Realistic Flight Planning/Tracking/Navigation
  • Boeing style Flight Management System
  • Boeing style Primary Flight Display
  • Various EICAS Displays
  • LNAV & VNAV autopilot control
  • Configurable aircraft
  • Updatable navdata
Features
Read full description

Make your Flight Simulator experience a more realistic one. iFMS will provide you with a nearly fully functional "Boeing style" Flight Management System, A Primary Flight Display, Navigation Display and a number of 2 or 4 engine EICAS displays on your iPhone, iPad or iPod. Build your very own home cockpit using only a few mobile devices and connect to any of the popular Flight Simulators over your local network. iFMS can be configured for use with almost any of your favorite Flight Simulator's standard or add-on aircraft. A number of default aircraft configuration files are included but you can easily make your own and download them to your iFMS through iTunes. The FMS display and functionality simulates the "Boeing style" Flight Management System accurately. Apart from all the standard flight planning and tracking functionality, all the more complex functions such as hold programming, custom waypoint programming by coordinates, heading/distance calculation or waypoints radial/intersection calculation and abeam route waypoint calculations are available as well, along with much, much more. iFMS also includes an LNAV/VNAV engine which will control your aircraft's autopilot to fly the programmed LNAV/VNAV route. iFMS uses Wi-Fi to connect to your favorite Flight Simulator over your local network, alternatively iFMS can also use the device GPS (if present) as a data source, you can be a passenger in the car and practice your FMS programming skills. Be aware though, iFMS cannot be used for real world aviation navigation as this is strictly against the terms of use of this product. iFMS can be configured for use with almost any of your favorite Flight Simulator's standard aircraft and most add-on aircraft, a number of default aircraft are included but you can easily make your own on your computer and transfer them to iFMS through iTunes. Features summary: - Realistic Flight Planning/Tracking/Navigation - Boeing style Flight Management System - Boeing style Primary Flight Display - Boeing style HSI or NAV Display - Various 2 or 4 engine EICAS Displays - LNAV & VNAV calculation and MCP programming - LNAV/VNAV engine to control the aircraft autopilot - Configurable aircraft - Use your own created aircraft files - Loading and saving of flight plans - Compatible with Apple iPhone, iPod and iPad - Single portrait or side by side landscape view - Updatable navdata through Navigraph Compatibility: FMS will run on the following devices: - iPad (3rd generation or later) - iPad Mini/Air/Pro - iPhone (4th generation or later) - iPod Touch (4th generation or later) iFMS is compatible to run with: - Microsoft Flight Simulator 9 (using FSUIPC) - Microsoft Flight Simulator X - Prepar3D 2.X - Prepar3D 3.X - Prepar3D 4.X - X-Plane (Windows and OSX) - Stand-alone (GPS driven) Please visit http://www.ifms-fs.com for more details about iFMS, supported flight simulator packages and how to connect iFMS to them.

About

Compass for Watch

This app helps you find North using the sun and your Apple Watch. Rotate the digital crown to align a marker with the sun, and it will display your direction. It functions like a real compass without needing GPS or a phone.

Highlights
  • Find direction to North using the sun
  • Digital Crown for marker alignment
  • Works without GPS or phone
  • Real compass feel
  • Supports Apple Watch, iPhone, iPod
Features
Currently charting
Read full description

Compass for Apple Watch Easily find direction to the North using the sun and Apple Watch. Just use Digital Crown (on your Apple Watch) to point marker to the sun and app shows you direction to the North. It looks and feel like real compass, You do not need GPS and phone, only what you need is to see the sun see how it works here: https://youtu.be/PYH5n703aP8

Screenshots

iFMS4 screens
Compass for Watch1 screens

Verdict

The call

The clearest difference is price: Compass for Watch at $1.99 against iFMS's $15.99. Compass for Watch also leads on chart position (#57 vs unranked). iFMS's advantage is rating (3.1 vs 2.5) and review sentiment (46% vs 9%). On ads, in-app purchases, monetization model 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

CostPrice · In-app purchases · Ads · Monetization

iFMS costs $15.99 and Compass for Watch $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

iFMS holds the better App Store score, 3.1 against 2.5. That said, the two scores are not equally well evidenced: iFMS has 14 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 46% of iFMS's written reviews are positive against 9% of Compass for Watch's.

UpkeepUpdate frequency

iFMS ships an update every 4 weeks, Compass for Watch every 2 months. The most recent releases landed on September 23, 2026 and September 9, 2026 respectively.

Scorecard7 real differences · 4 level
iFMS versus Compass for Watch: the parameters behind the verdict, then further details
ParameteriFMSCompass for Watch
Price$15.99$1.99 — better
Rating3.1 (14 ratings) — better2.5 (2 ratings)
Positive reviews45.7% of reviews — better9.1% of reviews
Number of ratings14 — better2
Update frequencyEvery 4 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank—#57 — better
DevicesiPhone, iPad, iPod — betteriPhone, Apple Watch
Requires iOS8.1 — better16.6
Further details — not scored
Size50 MB2 MB
Age rating4+4+
DeveloperMichael FeyterOrion Lukasz Gonerski

Customer experience

iFMS

All ratings14 ratings
Positive42.9%
Neutral21.4%
Negative35.7%
Written reviews46 reviews
Positive45.7%
Neutral13.0%
Negative41.3%

Compass for Watch

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews11 reviews
Positive9.1%
Neutral0.0%
Negative90.9%

In-app purchases

None

iFMS

No in-app purchases

None

Compass for Watch

No in-app purchases

Questions

Is iFMS free?
iFMS costs $15.99, with no in-app purchases.
Is Compass for Watch free?
Compass for Watch costs $1.99, with no in-app purchases.
Which has better reviews, iFMS or Compass for Watch?
iFMS is rated higher. iFMS averages 3.1 out of 5 from 14 ratings, while Compass for Watch averages 2.5 from 2 ratings.
Do iFMS or Compass for Watch have ads?
Neither iFMS nor Compass for Watch shows ads.
Which is updated more often, iFMS or Compass for Watch?
iFMS ships an update every 4 weeks, and Compass for Watch every 2 months. Most recently, iFMS was updated on September 23, 2026 and Compass for Watch on September 9, 2026.

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