Comparison

PreFlight vs 787 ECL

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

Head to head
About

PreFlight

This app helps aircrew practice normal and emergency drills for the Grob Tutor T1 aircraft. It provides instant feedback on instrument and switch selections, serving as a memory aid for flight reference cards.

Highlights
  • Practice normal and emergency drills
  • Instant feedback on instrument/switch selection
  • Supports Grob Tutor T1 (Classic & EA)
  • Memory aid for flight reference cards
  • Designed for aircrew training
Features
Read full description

PreFlight is a bespoke application designed for use by aircrew undertaking Elementary Flying Training, University Air Squadron, Grading, Air Experience Flying, or any other flying duties on the Grob Tutor T1, both Classic and EA variants. Pilots are able to learn and practice both normal and emergency drills for the Tutor, with the app giving instant feedback on whether the instrument or switch selection is correct. This app is also intended as a proof of concept to facilitate further development of iOS training aids for aircrew on other service aircraft in future. PreFlight is only intended for use as a memory aid to issued Flight Reference Cards (FRCs). It should not be relied upon to conduct flight safety critical tasks as it is not subject to direct amendment and may not be up to date. It is your responsibility to check the official issue documentation to ensure accuracy.

About

787 ECL

This app provides offline electronic checklists for B787 and B777 aircraft, designed for pilots and aviation enthusiasts. It offers an interactive way to study procedures and aircraft systems for training and self-study purposes.

Highlights
  • Offline Electronic Checklists
  • Normal and Non-Normal Checklists
  • Interactive QRH/ECL Logic Study
  • Simulator Preparation
  • Self-Study Tool
  • Long-Haul Downtime Review
Features
Read full description

This application is designed for B787 and B777 pilots and aviation enthusiasts. Important Notice This app is intended for educational and training purposes only. It is not an operational tool and must not be used for real-world flight operations. What This App Offers A complete Electronic Checklist (ECL) experience presented offline Access to Normal and Non-Normal checklists without an internet connection An interactive way to study and understand QRH/ECL logic and flows Ideal for simulator preparation, self-study, and long-haul downtime All checklists are available offline, allowing you to review procedures anytime, anywhere—perfect for long sectors and simulator preparation. This app is designed to enhance procedural understanding and familiarity with aircraft systems in a safe, educational environment. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Wishing you safe flights and effective training!

Screenshots

787 ECL4 screens

Verdict

The call

The clearest difference is review sentiment: PreFlight at 100% against 787 ECL's 0%. PreFlight also leads on in-app purchases (none vs 5) and iOS requirement (11.0 vs 17.6). 787 ECL's advantage is price (Free vs $2.99) and update cadence (monthly vs every 10 months). On 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

CostPrice · In-app purchases · Ads · Monetization

787 ECL is free to download; PreFlight costs $2.99 up front. 787 ECL sells 5 in-app purchases, starting at $1.99 per month. PreFlight asks for nothing beyond the download.

UpkeepUpdate frequency

PreFlight ships an update every 10 months, 787 ECL monthly. The most recent releases landed on June 5, 2026 and June 25, 2026 respectively.

Scorecard6 real differences · 4 level
PreFlight versus 787 ECL: the parameters behind the verdict, then further details
ParameterPreFlight787 ECL
Price$2.99Free — better
Rating—1.0 (1 ratings) — better
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 10 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPadiPhone, iPad — better
Requires iOS11.0 — better17.6
Further details — not scored
Size57 MB5 MB
Age rating4+4+
DeveloperMountain Wave Media LtdMohamed Farhadi

Customer experience

PreFlight

Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

787 ECL

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

PreFlight

No in-app purchases

5 purchases

787 ECL

Subscriptions2
  • B787 ECL$1.991 Month
  • B787 ECL$12.991 Year
One-time3
  • B787 ECLFree
  • B787 ECL - Life Time$49.99
  • B787 ECL - Life Time$59.99

Questions

Is PreFlight free?
PreFlight costs $2.99, with no in-app purchases.
Is 787 ECL free?
787 ECL is free to download, with in-app purchases available.
Do PreFlight or 787 ECL have ads?
Neither PreFlight nor 787 ECL shows ads.
Which is updated more often, PreFlight or 787 ECL?
PreFlight ships an update every 10 months, and 787 ECL monthly. Most recently, PreFlight was updated on June 5, 2026 and 787 ECL on June 25, 2026.

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