Comparison

Avidyne IFD100 10.2 vs SkyTimer

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

Head to head
About

Avidyne IFD100 10.2

This app serves as a supplemental display for Avidyne's IFD series avionics, wirelessly connecting to iPads. It mirrors sensor data and flight plan information from the avionics unit, offering a portable electronic device solution for pilots.

Highlights
  • Supplemental display for IFD avionics
  • Wi-Fi connectivity
  • Mirrors sensor data
  • Displays flight plan information
  • Connects up to two iPads
  • Trainer App integration
Read full description

The IFD100 is the in-flight companion App for Avidyne's IFD series avionics with Wi-Fi connectivity. Compatible with IFD software release 10.2.6.1 and earlier. The IFD100 is not FAA certified. It is considered to be a Portable Electronic Device (PED) that can be used as a supplemental display. Up to two iPads can be connected to a single IFD, showing all its sensor data and flight plan information if identical databases are loaded in both the App and IFD. The IFD100 can also be used with Avidyne's Trainer App running on another iPad connected to the same network. Allow Wi-Fi when starting the trainer and the IFD100 will automatically connect to it. With a few exceptions, the IFD100 can do and display everything that the IFD can. Please refer to the IFD Pilot Operating Handbook for more details.

About

SkyTimer

This app automatically logs flights, tracks fuel burn, and manages tank levels in real-time from your wrist, phone, or iPad. It provides detailed flight logs and can export data, acting as a cockpit companion for pilots.

Highlights
  • Automatic flight logging
  • Real-time fuel tracking
  • Multi-tank and engine support
  • Worldwide airport database
  • Smart fuel balancing
  • Detailed flight logs
  • Cross-device sync
Features
Read full description

SkyTimer automatically logs your flights and tracks fuel burn and tank changes in real time--from your wrist, phone, or iPad. A cockpit companion built to work alongside your EFB. Start a flight with a single tap. SkyTimer records block and flight times, tracks fuel quantity across up to 7 tanks and 4 engines, and logs your departure, arrival, and intermediate stop airports using a built-in worldwide airport database--no Internet required. *** FUEL MANAGEMENT, SIMPLIFIED *** SkyTimer calculates fuel burn, endurance, and remaining quantity on-the-fly using time-on-tanks and your configured burn rates. Update flow rates mid-flight for accuracy as conditions change. - Smart Balance calculates optimal tank timer durations to keep fuel balanced across tanks. - A robust reminder engine alerts you to configuration changes based on time-on-tank, fuel use, or fuel transferred. - Supports a wide range of fuel selectors and transfer switch types for single and multi-engine aircraft. *** AUTOMATIC FLIGHT TRACKING *** Smart Track uses GPS ground speed and your aircraft's Vso stall speed to automatically detect takeoffs and landings--no manual input needed. SkyTimer logs the times and airports for you. *** WORKS ON iPHONE, iPAD, AND APPLE WATCH *** Run SkyTimer on your iPad alongside your EFB in Split View, Windowed or Slide Over. On iPhone, Dynamic Island keeps your timers and fuel data visible even while you're in ForeFlight or Garmin Pilot--like a HUD for your flight data. SkyTimer for Apple Watch gives you full access to every feature right from your wrist, and works standalone if you leave your phone on the ground. Everything stays in sync across devices with iCloud. *** DETAILED FLIGHT LOGS *** Every trip is saved with flight and block times, airports, out/off/on/in times, fuel details, time-on-tanks, and Hobbs or Tach times. Export to CSV or directly to LogTen. Everything syncs across your devices with iCloud. *** FREE TO TRY, EASY TO UPGRADE *** Download SkyTimer for free and start tracking block and flight times at no charge. Unlock everything with SkyTimer Plus: - Fuel Quantity Tracking - Unlimited Flight Storage - Tank Timer Management - Auto-Track Takeoffs & Landings - Multiple Aircraft Profiles - iCloud Sync & Backup - In-flight Phone/Watch/iPad Sync --------------------- Price may vary by location. Subscriptions will be charged to your credit card through your App Store account. Your subscription will automatically renew unless cancelled at least 24 hours before the end of the current period. You will not be able to cancel the subscription once activated. After purchase, you can manage your subscriptions in App Store account settings. --------------------- Privacy Policy: https://skytimer.app/privacy/ Terms of Service: https://skytimer.app/terms/

Screenshots

SkyTimer4 screens

Verdict

The call

The clearest difference is in-app purchases: Avidyne IFD100 10.2 at none against SkyTimer's 2. Avidyne IFD100 10.2 also leads on rating (4.2 vs 4.0) and review sentiment (63% vs 54%). SkyTimer's advantage is update cadence (fortnightly vs every 4 months) and device support (4 vs 1). On price, ratings volume 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. SkyTimer sells 2 in-app purchases, starting at $2.49 per month. Avidyne IFD100 10.2 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Avidyne IFD100 10.2 holds the better App Store score, 4.2 against 4.0. Both are backed by a comparable volume of ratings — 14 and 22 respectively. Written reviews point the same way: 63% of Avidyne IFD100 10.2's written reviews are positive against 54% of SkyTimer's.

UpkeepUpdate frequency

Avidyne IFD100 10.2 ships an update every 4 months, SkyTimer fortnightly. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

Scorecard7 real differences · 3 level
Avidyne IFD100 10.2 versus SkyTimer: the parameters behind the verdict, then further details
ParameterAvidyne IFD100 10.2SkyTimer
PriceFreeFree
Rating4.2 (14 ratings) — better4.0 (22 ratings)
Positive reviews62.5% of reviews — better53.8% of reviews
Number of ratings1422 — better
Update frequencyEvery 4 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPadiPhone, iPad, iPod, Apple Watch — better
Requires iOS9.1 — better15.0
Further details — not scored
Size34 MB149 MB
Age rating4+4+
DeveloperAvidyneFramework Learning, LLC

Customer experience

Avidyne IFD100 10.2

All ratings14 ratings
Positive78.6%
Neutral0.0%
Negative21.4%
Written reviews8 reviews
Positive62.5%
Neutral0.0%
Negative37.5%

SkyTimer

All ratings22 ratings
Positive77.3%
Neutral4.5%
Negative18.2%
Written reviews13 reviews
Positive53.8%
Neutral15.4%
Negative30.8%

In-app purchases

None

Avidyne IFD100 10.2

No in-app purchases

2 purchases

SkyTimer

Subscriptions2
  • Monthly Plus Subscription$2.491 Month
  • Annual Plus Subscription$17.991 Year

Questions

Is Avidyne IFD100 10.2 free?
Avidyne IFD100 10.2 is free to download, with no in-app purchases.
Is SkyTimer free?
SkyTimer is free to download, with in-app purchases available.
Which has better reviews, Avidyne IFD100 10.2 or SkyTimer?
Avidyne IFD100 10.2 is rated higher. Avidyne IFD100 10.2 averages 4.2 out of 5 from 14 ratings, while SkyTimer averages 4.0 from 22 ratings.
Do Avidyne IFD100 10.2 or SkyTimer have ads?
Neither Avidyne IFD100 10.2 nor SkyTimer shows ads.
Which is updated more often, Avidyne IFD100 10.2 or SkyTimer?
Avidyne IFD100 10.2 ships an update every 4 months, and SkyTimer fortnightly. Most recently, Avidyne IFD100 10.2 was updated on October 4, 2026 and SkyTimer on October 7, 2026.

Other comparisons