Comparison

Jeppesen FliteDeck Pro vs Average ISA Deviation

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

Head to head
About

Jeppesen FliteDeck Pro

This electronic flight bag application provides integrated flight folder solutions for commercial airlines. It offers advanced navigation features, fuel-saving capabilities, and enhanced situational awareness using high-quality aeronautical data.

Highlights
  • Electronic flight folder solution
  • Fuel savings capabilities
  • Improved situational awareness
  • High-quality aeronautical data
  • Performant enroute display
  • High fidelity airport maps
  • Expanded D-ATIS coverage
  • NOTAMs and advanced weather
Read full description

Jeppesen FliteDeck Pro is the industry standard for electronic flight bags (EFBs) in the commercial airline market, now offering a fully integrated Electronic Flight Folder solution that streamlines flight operations, as well as capabilities that provide proven fuel savings, and improve situational awareness. FliteDeck Pro is developed on top of the highest quality aeronautical data in the market, and includes a highly performant enroute display and high fidelity airport maps, expanded D-ATIS coverage, NOTAMs, and advanced weather options. **This app requires a data subscription, available separately. Contact your Jeppesen account manager for details.***

About

Average ISA Deviation

This utility helps professional pilots quickly calculate average ISA temperature deviation for descent planning on specific aircraft models. It simplifies manual calculations, reduces workload, and operates offline, making it ideal for cockpit use.

Highlights
  • Calculate average ISA deviation
  • Reduce descent planning workload
  • Simplify manual calculations
  • Offline cockpit use
  • Designed by a pilot
Features
Read full description

Average ISA Deviation is a fast and precise utility designed for pro pilots who need to calculate the average ISA temperature deviation to correctly enter the DES FORECAST in the FMC of the Boeing 737 (NG / MAX) and other aircraft. The app allows you to: • Quickly calculate the average ISA deviation • Reduce workload and potential errors during descent planning • Simplify calculations that are normally done manually • Work fully offline, ideal for cockpit use Designed by a pilot, for pilots. Legal Disclaimer This application is intended as an advisory and informational tool only. It does not replace official aeronautical charts, flight planning systems, company procedures, or regulatory guidance.

Screenshots

Average ISA Deviation2 screens

Verdict

The call

The clearest difference is review sentiment: Average ISA Deviation at 67% against Jeppesen FliteDeck Pro's 19%. Jeppesen FliteDeck Pro's advantage is price (Free vs $3.99) and rating (3.9 vs 3.5). On ads, in-app purchases 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

Jeppesen FliteDeck Pro is free to download; Average ISA Deviation costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Jeppesen FliteDeck Pro holds the better App Store score, 3.9 against 3.5. That said, the two scores are not equally well evidenced: Jeppesen FliteDeck Pro has 43 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 19% of Jeppesen FliteDeck Pro's written reviews are positive against 67% of Average ISA Deviation's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Jeppesen FliteDeck Pro ships an update every 3 months, Average ISA Deviation every 14 months. The most recent releases landed on September 25, 2026 and August 1, 2026 respectively.

Scorecard7 real differences · 3 level
Jeppesen FliteDeck Pro versus Average ISA Deviation: the parameters behind the verdict, then further details
ParameterJeppesen FliteDeck ProAverage ISA Deviation
PriceFree — better$3.99
Rating3.9 (43 ratings) — better3.5 (2 ratings)
Positive reviews18.8% of reviews66.7% of reviews — better
Number of ratings43 — better2
Update frequencyEvery 3 months — betterEvery 14 months
AdsNoNo
In-app purchasesNoNo
MonetizationSubscriptionPaid — better
DevicesiPadiPhone, iPad — better
Requires iOS16.0 — better26.1
Further details — not scored
Size367 MB1 MB
Age rating4+4+
DeveloperJeppesenJuan Mauricio Padilla Villarreal

Customer experience

Jeppesen FliteDeck Pro

All ratings43 ratings
Positive69.8%
Neutral7.0%
Negative23.3%
Written reviews96 reviews
Positive18.8%
Neutral19.8%
Negative61.5%

Average ISA Deviation

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

None

Jeppesen FliteDeck Pro

No in-app purchases

None

Average ISA Deviation

No in-app purchases

Questions

Is Jeppesen FliteDeck Pro free?
Jeppesen FliteDeck Pro is free to download, with no in-app purchases.
Is Average ISA Deviation free?
Average ISA Deviation costs $3.99, with no in-app purchases.
Which has better reviews, Jeppesen FliteDeck Pro or Average ISA Deviation?
Jeppesen FliteDeck Pro is rated higher. Jeppesen FliteDeck Pro averages 3.9 out of 5 from 43 ratings, while Average ISA Deviation averages 3.5 from 2 ratings.
Do Jeppesen FliteDeck Pro or Average ISA Deviation have ads?
Neither Jeppesen FliteDeck Pro nor Average ISA Deviation shows ads.
Which is updated more often, Jeppesen FliteDeck Pro or Average ISA Deviation?
Jeppesen FliteDeck Pro ships an update every 3 months, and Average ISA Deviation every 14 months. Most recently, Jeppesen FliteDeck Pro was updated on September 25, 2026 and Average ISA Deviation on August 1, 2026.

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