# Descent Calculator: TOD & FPM — FPM Calculator for descent

> FPM calculator for precise aircraft descent planning and approach stabilization. (iPhone/iPad app by Can Devecioglu.)

- Source: https://appshunter.io/ios/app/descent-calculator-tod-and-fpm/id6737169904 (this page in markdown: same URL + `.md`)
- Developer: [Can Devecioglu](https://appshunter.io/developer/1727949528)
- Category: Utilities
- Price: Free with in-app purchases
- Rating: 4.20/5 from 5 App Store ratings · 5 written reviews indexed
- Age rating: 4+
- Requires: iOS 17.0 · 32 MB
- Languages: English
- Released: 2024-11-06
- Data updated: 2026-06-23
- Monetization: freemium
- User reviews in markdown: https://appshunter.io/ios/app/descent-calculator-tod-and-fpm/id6737169904/reviews.md

## What is Descent Calculator?

Plan your descent with precision. Descent Calculator calculates the ideal feet-per-minute (FPM) rate you need to reach your target altitude so you always arrive on profile, stabilized, and ready to land.

HOW IT WORKS
Enter your ground speed, distance to go, and altitude difference. The app instantly calculates your required descent rate, accounting for aircraft performance, wind conditions, and deceleration distance.

AIRCRAFT PROFILES
Choose from four realistic categories each with tailored approach altitude, level-off time, approach speed, and FPM limits:

Training: Cessna 172, Piper Cherokee, Diamond DA40
Turboprop: King Air, ATR 72, Dash 8
Regional Jet: CRJ 700, Embraer E175, ERJ 145
Airliner: Boeing 737, Airbus A320, 777, A350
WIND CORRECTION
Factor in headwind or tailwind components to see how wind affects your required descent rate in real time. The app adjusts effective ground speed and recalculates your FPM automatically.

DECELERATION DISTANCE
Flying faster than your approach speed? The app calculates how much distance you need to slow down and subtracts it from your available descent distance just like real flight planning.

GO-AROUND ALERTS
If the numbers don't work too close, too fast, or unstable approach the app warns you before you commit. Know when to go around before it's too late.

BUILT FOR THE COCKPIT

Works on iPhone, iPad, and Apple Watch
No internet connection required
One-handed operation with large, easy-to-read values
Digital Crown support on Apple Watch
WHO IS IT FOR?
Student pilots learning descent planning. Private pilots flying VFR cross-country. Instrument-rated pilots practicing IFR approaches. Airline pilots looking for a quick FPM reference. Flight instructors teaching energy management. Flight sim enthusiasts using MSFS or X-Plane.

FREE VS PREMIUM
The free version covers essential descent calculations with preset values for speed, distance, and altitude. Premium unlocks fine-grained 1-knot, 1-foot, and 1-NM adjustments across all parameters for maximum precision.

EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://decentoptimizer.candevecioglu.com/privacy-policy/
Terms of Use: https://decentoptimizer.candevecioglu.com/terms-of-use/
Disclaimler: https://decentoptimizer.candevecioglu.com/disclaimler/

## Key features

- Instant FPM calculation
- Aircraft profiles
- Wind correction
- Deceleration distance factoring
- Go-around alerts
- Offline operation
- Apple Watch support

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Yearly Premium | $12.99 | per year |
| Monthly Premium | $6.99 | per month |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Lifetime | $12.99 | one-time |


## Recent user reviews (5 of 5)

All indexed reviews: https://appshunter.io/ios/app/descent-calculator-tod-and-fpm/id6737169904/reviews.md

### 5/5 — Descent rate 🛬

*2025-12-10*

It calculates basic descent rate like 3:1 but more detail for baby pilots

### 5/5 — Landing helper

*2025-08-16*

I tried on my Apple Watch 👌🏻

### 5/5 — Perfect idea

*2024-11-09, version 1.1*

Usign on watch and soooo handy 👍

### 5/5 — Efficient

*2024-11-08, version 1.1*

Simple and handy, much suggested.

### 5/5 — Works successful, easy to use

*2024-11-06, version 1.0*

This app is just we need! User friendly , Simple. Thanks to the developer team behind this idea. 🙏

## Frequently asked questions about Descent Calculator

### What is Descent Optimizer?

Descent Optimizer is a utility app designed to calculate the ideal feet-per-minute (FPM) descent rate for pilots. It helps ensure a stabilized approach and timely arrival at the target altitude.

### How does Descent Optimizer calculate FPM?

It takes into account your ground speed, distance to go, and altitude difference. The app then calculates the required descent rate, factoring in aircraft performance, wind, and deceleration distance.

### What aircraft types are supported by Descent Optimizer?

Descent Optimizer offers four realistic aircraft categories: Training (Cessna 172, Piper Cherokee), Turboprop (King Air, ATR 72), Regional Jet (CRJ 700, Embraer E175), and Airliner (Boeing 737, Airbus A320).

### Does Descent Optimizer work offline?

Yes, Descent Optimizer is built for the cockpit and does not require an internet connection to operate, making it reliable in all flight conditions.

### What are the benefits of the Premium version of Descent Optimizer?

The free version offers essential calculations. Premium unlocks fine-grained adjustments for speed, distance, and altitude, allowing for maximum precision in all parameters.

### What is the pricing for Descent Optimizer Premium?

Descent Optimizer offers two premium subscription plans: Monthly Premium for $6.99 and Yearly Premium for $34.99, providing access to advanced features.

### Does Descent Optimizer have ads?

No, Descent Optimizer does not contain advertisements. The app is ad-free, ensuring an uninterrupted user experience for pilots.

### On which devices can I use Descent Optimizer?

Descent Optimizer is available on iPhone, iPad, and Apple Watch, offering convenient access to its features across multiple Apple devices.

## Version history (last 5 releases)

### 2.1.1 — 2026-06-11

Improved user experience and fixed some bugs.

### 2.0.0 — 2026-03-12

Wind component now available for all users. Accurate NM distance calculations. Improved aircraft profile system. Bug fixes and performance improvements

### 1.3 — 2024-11-25

Minor bugs are fixed.

### 1.2 — 2024-11-12

Some bugs have been fixed for a better experience.

### 1.1 — 2024-11-07

Fixed some bugs.

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All apps by Can Devecioglu: https://appshunter.io/developer/1727949528

## Related topics

[descent optimizer](https://appshunter.io/ios/topics/descent-optimizer) · [aviation descent calculator](https://appshunter.io/ios/topics/aviation-descent-calculator)

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*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 2026-06-23.*