Jetlog vs Simple FTL Calculator
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Jetlog
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Jetlog is the modern pilot logbook designed for professional aviators. Track your flights with real-time updates, generate EASA-compliant reports, and keep your logbook synced across all your devices. β’ Sub-second real-time sync across devices β’ Simulator treated as a first-class citizen β’ Correct ATPL progress tracking β’ Automatic EASA rule validation (including PICUS) β’ Instructor and examiner roles supported β’ Automatic ICS roster import β’ KLC-rooster.nl integration β’ KLM ACARS auto-logging β’ Third-party API support β’ EASA-compliant exports β’ Offline-first with local data ownership Jetlog is currently fully usable for free until features are matured. An optional subscription supports continued development and infrastructure. Get started free today and experience fan-tastic logging. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Simple FTL Calculator
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Plan flight duty with clear times and controls. Simple FTL Calculator helps flight crew and operations teams estimate maximum flight duty periods (FDP) and plan target off-block times. β’ Calculate an FDP end time from report time, crew type, and sectors. β’ See split-duty break duration and extension. β’ Work back from an FDP end time to a target off-block time. β’ Adjust duty timing and use custom FDP tables for your operation. β’ Save inputs and results for the next time you open the app. β’ Use light or dark mode, even offline. Built-in tables and custom settings are planning aids. Check each result against your operatorβs approved procedures and the rules that apply to your flight. Questions or suggestions? Contact support@simpleftl.com.
Screenshots
Verdict
The clearest difference is price: Jetlog at Free against Simple FTL Calculator's $3.99. Jetlog also leads on update cadence (every 10 days vs every 4 months). Simple FTL Calculator's advantage is in-app purchases (none vs 3) and iOS requirement (16.4 vs 26.0). On ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Jetlog is free to download; Simple FTL Calculator costs $3.99 up front. Jetlog sells 3 in-app purchases, starting at $2.99 per month. Simple FTL Calculator asks for nothing beyond the download.
Jetlog ships an update every 10 days, Simple FTL Calculator every 4 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | Jetlog | Simple FTL Calculator |
|---|---|---|
| Price | Free β better | $3.99 |
| Update frequency | Every 10 days β better | Every 4 months |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPad, Apple Watch β better | iPhone, iPad |
| Requires iOS | 26.0 | 16.4 β better |
| Further details β not scored | ||
| Size | 35 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | Deskpage | Yiu Leung Sze |
In-app purchases
Jetlog
- Monthly$2.991 Month
- Yearly$29.991 Year
- Logbook AI Scans Credit (50)$2.99
Simple FTL Calculator
No in-app purchases
Questions
Is Jetlog free?
Is Simple FTL Calculator free?
Do Jetlog or Simple FTL Calculator have ads?
Which is updated more often, Jetlog or Simple FTL Calculator?
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