Captain Logbook vs AviCalc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Captain Logbook
Log your flights with detailed information including flight numbers, times, and approaches. The app offers intelligent suggestions, cloud syncing across devices, and export options in various formats. A free version is available for up to 100 flights.
- Log flights with detailed data
- Intelligent suggestions and custom fields
- Cloud sync across iPhone and iPad
- Export to PDF (EASA, Jeppesen) and CSV
- Dark Mode and Sign In with Apple integration
- Local data backup
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Captain’s Logbook focuses on the important stuff matters for an airline pilot. *Log Anything* Create flights with flight numbers, airports, OOOI times, approaches flown, number of passengers, takeoffs and landings, crew pairings. Custom fields are available for pilot sand flights. *Intelligent* The app knows you always fly the Canarsie VOR 13R approach at JFK airport while conducting the Expressway Visual Approach Runway 31 into LGA. Suggestion lists are available for some fields to save your time. *Synced* The app supports both the iPhone and the iPad. Your flight logs on all of your devices are synced with our Captain Cloud for free (registration required.) Of course, you can always back up your data to CSV file and PDF format locally. *Cool* The app integrates the latest cool technologies including Dark Mode and Sign In with Apple. *Export* Export all of your flights to PDF file, including EASA and Jeppesen(FAA) format. You can also export the logbook to CSV(spreadsheet) file. *Try it yourself* A full functional app is available for FREE, for up to 100 flights logged. Afterwards, a "Pro Captain" subscription in the App Store is required for creating more flights. Subscriptions - Pro Captain (Unlimited Access) plan: The prices may vary in different regions or countries, check Settings > Subscriptions in the app for details. Your account will be charged for renewal automatically, unless auto-renew is turned off 24 hours prior to the end of the current subscription period. Automatic renewals will cost the same price you were originally charged for the subscription. You can manage your subscriptions and turn off auto-renewal by going to your Account Settings on the App Store after purchase. Privacy Policy: https://captainlogbook.app/privacy Terms of Use: https://captainlogbook.app/terms-of-use
AviCalc
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Calculate your duty times, fuel uplifts easy and fast. To use the app, read the full text of instructions. Purpose of AviationCalc: Flight Duty Period Page: AviationCalc helps you calculate Maximum Duty Periods and Total Duty Periods, correcting for time zones from the start of duty location and end of duty time zone. Also, it will search maximum flight duty period for acclimatised crew for Hong Kong CAD. Fuel Uplift Page: AviationCalc helps you calculate fuel uplift in Kg, USG and Litres to help you calculate your data fast and easy. ***Disclamer*** The information this app presents should not be used as primary tool for your calculations. Allowing the app access your location will only allow the app to help get better precision on which Time Zone to use. Click on info button (bottom right) to pull up how-to-use alerts or whenever you want to change the regulatory institution or choose a different time after flight duty for total duty period calculation. If there is something wrong going on, tap the screen again. Please leave your review.
Screenshots
Verdict
The clearest difference is in-app purchases: AviCalc at none against Captain Logbook's 2. AviCalc also leads on update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement 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
Both are free to download. Captain Logbook sells 2 in-app purchases, starting at $0.99 per month. AviCalc asks for nothing beyond the download.
Captain Logbook ships an update every 2 months, AviCalc every 3 weeks. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.
| Parameter | Captain Logbook | AviCalc |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (6 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 35 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Chung-Lun Chiang | Aldo Mendes Martins |
In-app purchases
Captain Logbook
- Unlimited Access (monthly)$0.991 Month
- Unlimited Access (Annually)$7.991 Year
AviCalc
No in-app purchases
Questions
Is Captain Logbook free?
Is AviCalc free?
Do Captain Logbook or AviCalc have ads?
Which is updated more often, Captain Logbook or AviCalc?
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