# ACDAC vs Flight

The clearest difference is in-app purchases: ACDAC at none against Flight's 1. ACDAC also leads on iOS requirement (15.6 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Flight sells 1 in-app purchase, starting at $1.99 per year. ACDAC asks for nothing beyond the download.

ACDAC ships an update every 4 months, Flight every 3 months. The most recent releases landed on September 12, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | ACDAC | Flight |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | — | Subscription |
| Size | 67 MB | 12 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [2Way ehf](https://appshunter.io/developer/1151220739) | [Pedro Jose Villarroel Cuevas](https://appshunter.io/developer/558476272) |

## What reviewers say

### ACDAC

[App page](https://appshunter.io/ios/app/acdac/id6523432396)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Flight

[App page](https://appshunter.io/ios/app/flight-time-ii/id6751549518)

This app helps flight crews accurately calculate flight time, duty time, and rest periods. It offers advanced features for long-haul operations and ensures compliance with aviation regulations. Designed for professional pilots, it provides a flexible and user-friendly solution for time-based calculations.

**Highlights:** Calculate flight time, Calculate duty time, Calculate rest periods, Configurable rest segments, Exclude time for accurate planning, Intuitive interface

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Auto Renewable Subscription | $1.99 | per year |


## Frequently asked questions

### Is ACDAC free?

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

### Is Flight free?

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

### Do ACDAC or Flight have ads?

Neither ACDAC nor Flight shows ads.

### Which is updated more often, ACDAC or Flight?

ACDAC ships an update every 4 months, and Flight every 3 months. Most recently, ACDAC was updated on September 12, 2026 and Flight on June 5, 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.*