FlightDuty vs Simple FTL Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FlightDuty
Calculate flight duty period limits for augmented and un-augmented crews. This utility app helps pilots adhere to aviation regulations by providing accurate duty period calculations.
- Calculate duty limits
- Augmented crew support
- Un-augmented crew support
- Aviation regulation adherence
Read full descriptionHide full description
This App will calculate Flight Duty period limit for Augmented and Un-Augmented crew .
Simple FTL Calculator
Read full descriptionHide full description
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. • Calculate an FDP end time from report time, crew type, and sectors. • See split-duty break duration and extension. • Work back from an FDP end time to a target off-block time. • Adjust duty timing and use custom FDP tables for your operation. • Save inputs and results for the next time you open the app. • Use light or dark mode, even offline. Built-in tables and custom settings are planning aids. Check each result against your operator’s approved procedures and the rules that apply to your flight. Questions or suggestions? Contact support@simpleftl.com.
Screenshots
Verdict
The clearest difference is update cadence: FlightDuty at monthly against Simple FTL Calculator's every 4 months. FlightDuty also leads on iOS requirement (14.7 vs 16.4). On price, 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
FlightDuty costs $3.99 and Simple FTL Calculator $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
FlightDuty ships an update monthly, Simple FTL Calculator every 4 months. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.
| Parameter | FlightDuty | Simple FTL Calculator |
|---|---|---|
| Price | $3.99 | $3.99 |
| Rating | 3.8 (5 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Monthly — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 14.7 — better | 16.4 |
| Further details — not scored | ||
| Size | 22 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | Mohammed Alotaibi | Yiu Leung Sze |
In-app purchases
FlightDuty
No in-app purchases
Simple FTL Calculator
No in-app purchases
Questions
Is FlightDuty free?
Is Simple FTL Calculator free?
Do FlightDuty or Simple FTL Calculator have ads?
Which is updated more often, FlightDuty or Simple FTL Calculator?
Other comparisons
