# Conklin & de Decker — Aircraft Comparison Tool > Aircraft operating cost and performance comparison tool for over 500 jets, turboprops, pistons, and helicopters. (iPhone/iPad app by Conklin & de Decker Associates, Inc..) - Source: https://appshunter.io/ios/app/conklin-and-de-decker/id1434724204 (this page in markdown: same URL + `.md`) - Developer: [Conklin & de Decker Associates, Inc.](https://appshunter.io/developer/1434724203) - Category: Business, Utilities - Price: Free with in-app purchases - Rating: 5.00/5 from 5 App Store ratings - Age rating: 4+ - Requires: iOS 12.0 · 96 MB - Languages: American English - Released: 2018-10-13 - Data updated: 2026-06-10 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/conklin-and-de-decker/id1434724204/reviews.md ## What is Conklin & de Decker? The Conklin & de Decker app provides quick and convenient access to operating costs and performance data for more than 500 jets, turboprops, pistons and helicopters. Wherever you are, compare and evaluate fixed and variable costs and performance and specification data right on your device. Make more informed decisions when purchasing and operating your aircraft with these features: • Compare 500+ aircraft at your fingertips • Analyze jets, turboprops, pistons and helicopters • Filter results by cost, passengers, speed and range • Assess variable and fixed costs for multiple aircraft • Review performance and specification data • Download a complete Conklin & de Decker Report Conklin & de Decker Aircraft Subscriptions Looking for even more aircraft details and performance metrics? We offer the following auto-renewing annual subscriptions: • Jets Subscription: Access all jet data for $999.99/year • Helicopters Subscription: Access all helicopter data for $899.99/year • Turboprops Subscription: Access all turboprop data for $899.99/year • Pistons data is complimentary to all registered users Subscriptions give you full access to even more details, cost factors, performance metrics and aircraft specifications. Subscribers also have access to generate and download detailed Conklin & de Decker Report PDFs for free. Guest users can acquire Conklin & de Decker Reports individually. Reports are one-time purchases and copies can be emailed to you for safekeeping. • Single Aircraft Report: One-time download for $129.99 Payment will be charged to your iTunes Account at confirmation of purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Account will be charged for renewal within 24 hours prior to the end of the current period. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. Any unused portion of a free trial period will be forfeited when the user purchases a subscription, where applicable. Terms of use: https://conklindedecker.jetsupport.com/assets/terms-of-use/terms-of-use.pdf Privacy policy: https://conklindedecker.jetsupport.com/assets/privacy-policy/privacy-policy.pdf ## Key features - Compare 500+ aircraft - Analyze jets, turboprops, pistons, helicopters - Filter by cost, passengers, speed, range - Assess variable and fixed costs - Review performance and specification data - Download detailed reports ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Annual Jets Subscription | $999.99 | per year | | Helicopters Subscription | $999.99 | per year | | Annual Turboprops Subscription | $999.99 | per year | | Annual Pistons Subscription | $599.99 | per year | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Single Aircraft Report | $149.99 | one-time | ## Frequently asked questions about Conklin & de Decker ### What types of aircraft can I compare with Conklin & de Decker? Conklin & de Decker allows you to compare over 500 aircraft, including jets, turboprops, pistons, and helicopters. You can filter these aircraft by various criteria such as cost, passenger capacity, speed, and range. ### How does Conklin & de Decker handle aircraft data? The app provides access to operating costs and performance data for a wide range of aircraft. You can analyze both fixed and variable costs, as well as review detailed performance and specification data for each aircraft. ### What are the subscription options for Conklin & de Decker? Conklin & de Decker offers annual subscriptions for Jets ($999.99/year), Helicopters ($899.99/year), and Turboprops ($899.99/year). Pistons data is available for free to all registered users. ### Can I get a detailed report from Conklin & de Decker? Yes, subscribers can generate and download detailed Conklin & de Decker Report PDFs for free. Guest users can also purchase individual Single Aircraft Reports for a one-time fee of $129.99. ### How do subscriptions renew in Conklin & de Decker? Subscriptions automatically renew annually unless auto-renewal is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. ### Is Conklin & de Decker available on Android devices? Based on the provided data, Conklin & de Decker is supported on iPhone, iPad, and iPod. Information regarding Android availability is not specified. ### How often is Conklin & de Decker updated? The app was last updated on June 24, 2022, with the latest version being 1.4.16. This indicates a history of updates, though the frequency of future updates is not guaranteed. ### What is the user sentiment for Conklin & de Decker? The app has a perfect rating of 5.0 stars from 5 ratings, suggesting very positive user sentiment among its current reviewers. ## Version history (last 5 releases) ### 1.4.16 — 2022-06-24 We've updated logos and branding, added a link to delete a user account (on the Account Sign In screen), updated in-app purchase pricing, refreshed preloaded aircraft data, and updated our Privacy Policy and Terms of Use. ### 1.4.6 — 2020-11-11 We’ve updated aircraft information and detailed metrics for over 500 models and enhanced the overall aircraft search and filtering experience. You can now sort aircraft by metrics, with significantly improved performance and loading times. We’ve also upgraded the user interface and layout, updated the aircraft comparison tool, and made it even easier to order a detailed Conklin & de Decker Report. ### 1.2.20 — 2019-10-19 Updated aircraft database. Piston aircraft data is available free to all registered users. ### 1.2.15 — 2019-09-25 Improvements for account and product management. ### 1.2.14 — 2019-09-25 Improved app performance and reliability. Improved image downloading and iOS 13 support. ## Apps similar to Conklin & de Decker | App | Rating | Price | Category | | --- | --- | --- | --- | | [Flight Pro International](https://appshunter.io/ios/app/flight-pro-international/id6447209261) | — | Free | Business | | [AEG Fuels Mobile](https://appshunter.io/ios/app/aeg-fuels-mobile/id1483082469) | 5.0 (3) | Free | Business | | [167 GREEN](https://appshunter.io/ios/app/167-green/id1619338374) | 5.0 (4) | Free | Business | | [Flightsheet](https://appshunter.io/ios/app/flightsheet/id1511826470) | 4.7 (15) | Free | Business | | [PartsBase](https://appshunter.io/ios/app/partsbase/id1478302547) | 4.4 (7) | Free | Business | | [Textron Aviation Service](https://appshunter.io/ios/app/textron-aviation-service/id565649913) | 4.5 (8) | Free | Business | --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*