# CTAairport vs D

The clearest difference is update cadence: CTAairport at every 4 months against D's every 14 months. D's advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CTAairport ships an update every 4 months, D every 14 months. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | CTAairport | D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ctaairport/id1106906155/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 21.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 14 months |
| Monetization | — | Free |
| Size | 57 MB | 85 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SAC Societa' Aeroporto Catania SpA](https://appshunter.io/developer/1106906154) | [Ditech Srl](https://appshunter.io/developer/1610331551) |

## What reviewers say

### CTAairport

[App page](https://appshunter.io/ios/app/ctaairport/id1106906155)

**Features:** macOS Compatibility

**In-app purchases:** none


### D

[App page](https://appshunter.io/ios/app/d-pass-mobility-app/id1383633773)

Easily pay for parking and renew subscriptions in your city. The app uses geolocation to automatically determine your location and applicable rates, simplifying urban mobility services.

**Highlights:** Pay for parking, Renew subscriptions, Access city services, Geolocation for automatic rate determination, View city information

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CTAairport free?

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

### Is D free?

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

### Do CTAairport or D have ads?

Neither CTAairport nor D shows ads.

### Which is updated more often, CTAairport or D?

CTAairport ships an update every 4 months, and D every 14 months. Most recently, CTAairport was updated on October 24, 2026 and D on October 14, 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.*