# AirlineCalc vs CrewRest Ops

The clearest difference is in-app purchases: CrewRest Ops at none against AirlineCalc's 1. CrewRest Ops also leads on update cadence (every 3 weeks vs every 2 months). AirlineCalc's advantage is iOS requirement (16 vs 26). On price, ads and device support there is nothing between them.

Both are free to download. AirlineCalc sells 1 one-off in-app purchase. CrewRest Ops asks for nothing beyond the download.

AirlineCalc ships an update every 2 months, CrewRest Ops every 3 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | AirlineCalc | CrewRest Ops |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/airlinecalc/id6743721054/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 6 MB | 5 MB |
| Requires iOS | **16** | 26 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alex Deutz](https://appshunter.io/developer/1795229168) | [Daniel Delgado](https://appshunter.io/developer/1106269026) |

## What reviewers say

### AirlineCalc

[App page](https://appshunter.io/ios/app/airlinecalc/id6743721054)

This aviation utility app offers pilots and aviation professionals essential tools for in-cockpit calculations and flight planning. It includes features for crosswind analysis, flight time compliance, time zone conversions, and temperature adjustments, all in an offline-capable interface.

**Highlights:** Crosswind Calculator, FAR Part 117 Flight Time Calculator, Time Calculator (duty, layover, schedule), Temperature Conversion, Offline functionality, Pilot-friendly interface

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Airline Calc Pro | $1.99 | one-time |


### CrewRest Ops

[App page](https://appshunter.io/ios/app/crewrest-ops/id6761394961)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AirlineCalc free?

AirlineCalc is free to download, with in-app purchases available.

### Is CrewRest Ops free?

CrewRest Ops is free to download, with no in-app purchases.

### Do AirlineCalc or CrewRest Ops have ads?

Neither AirlineCalc nor CrewRest Ops shows ads.

### Which is updated more often, AirlineCalc or CrewRest Ops?

AirlineCalc ships an update every 2 months, and CrewRest Ops every 3 weeks. Most recently, AirlineCalc was updated on October 24, 2026 and CrewRest Ops on October 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*