Comparison

Onboard Performance Tool vs De Havilland Flight Deck

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

Head to head
About

Onboard Performance Tool

This application enables flight crews and ground personnel to perform real-time performance calculations for flights. It provides fast and precise data for takeoff, landing, and weight and balance, accounting for various environmental and operational factors.

Highlights
  • Real-time performance calculations
  • Takeoff analysis
  • Landing analysis
  • Weight and balance information
  • Accounts for weather and runway conditions
  • Corrects for pressure variation and MEL items
Read full description

*** This application requires configuration files, performance and other databases, available separately. Contact your Boeing representative for details. *** The Onboard Performance Tool (OPT) permits flight crews and ground personnel to perform real-time calculations based on current weather and runway conditions, while adhering to company and regulatory policies and procedures. The Onboard Performance Tool provides self-planning capability through fast and precise calculations. It allows flight crews to calculate the takeoff analysis, landing analysis, and weight and balance information. Instant and accurate calculations save time by correcting for pressure variation, runway conditions, engine bleeds and Minimum Equipment List (MEL) items.

About

De Havilland Flight Deck

Features
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To enroll in using the Flight Deck app please contact: De Havilland Customer Service by email dehavillandcustomerservice@gilmore.ca or phone 1-800-795-6661. BRINGING PAPERLESS EFFICIENCY TO DE HAVILLAND PILOTS No more carrying pounds of aircraft manuals and documents on-board. No more waiting for Temporary Revision (TR) updates. With the De Havilland Flight Deck* application, De Havilland aircraft pilots can enjoy the benefits of going paperless¹ by being able to store and access manual data and other documentation instantly from their iPad® - without Wi-Fi. No other solution combines automatic TR updates, user control of content and aircraft serial number-specific information into one application. De Havilland Flight Deck* generates FAA, EASA and TC compliant audit trails for paperless¹ operations to prove your flight manuals are up-to-date. FAST AND EASY In addition to being able to access De Havilland flight manual subscriptions, you can control all of your electronic documentation in one place. Fleet managers, dispatchers and other members of your team can drag and drop electronic versions of aircraft documents, manuals and forms into online folders. Pilots simply enter a license code, then push a sync button on the iPad® and all updated documents (and subscribed documents) are automatically downloaded and cataloged. In less time than it takes to send a fax, pilots can sign documents, add text and email it to the fleet manager. AUTOMATIC REVISION UPDATES No more manually inserting revisions or Temporary Revisions (TRs) into De Havilland’s flight manuals. These are automatically inserted into the correct sections and distributed across every iPad® in the operator’s fleet by Technical Publications. Valuable time is saved and pilots are always ready to fly in accordance with the latest regulatory requirements. Powered by OBDS XR (r) technology, for reliability, security and speed. ¹ Paperless refers to the process identified in the relevant airworthiness requirement pertaining to paperless cockpits, including but not limited to FAA-AC-91-78,and AC-120-76D Use of the De Havilland Flight Deck* application does not relieve operator and its flight crew of their responsibility to comply with the applicable airworthiness authority approved documents.

Screenshots

De Havilland Flight Deck4 screens

Verdict

The call

The clearest difference is device support: De Havilland Flight Deck at 3 against Onboard Performance Tool's 1. De Havilland Flight Deck also leads on iOS requirement (13.0 vs 17.6). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on July 1, 2026 and September 10, 2026 respectively.

Scorecard2 real differences · 8 level
Onboard Performance Tool versus De Havilland Flight Deck: the parameters behind the verdict, then further details
ParameterOnboard Performance ToolDe Havilland Flight Deck
PriceFreeFree
Rating3.5 (17 ratings) — better
Positive reviews13.5% of reviews
Number of ratings17 — better
Update frequencyEvery 6 monthsEvery 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree
DevicesiPadiPhone, iPad, iPod — better
Requires iOS17.613.0 — better
Further details — not scored
Size42 MB114 MB
Age rating4+4+
DeveloperThe Boeing CompanyDe Havilland Aircraft Company of Canada Limited

In-app purchases

None

Onboard Performance Tool

No in-app purchases

None

De Havilland Flight Deck

No in-app purchases

Questions

Is Onboard Performance Tool free?
Onboard Performance Tool is free to download, with no in-app purchases.
Is De Havilland Flight Deck free?
De Havilland Flight Deck is free to download, with no in-app purchases.
Do Onboard Performance Tool or De Havilland Flight Deck have ads?
Neither Onboard Performance Tool nor De Havilland Flight Deck shows ads.
Which is updated more often, Onboard Performance Tool or De Havilland Flight Deck?
Onboard Performance Tool ships an update every 6 months, and De Havilland Flight Deck every 6 months. Most recently, Onboard Performance Tool was updated on July 1, 2026 and De Havilland Flight Deck on September 10, 2026.

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