# D vs Liberty lines

The clearest difference is update cadence: Liberty lines at every 4 months against D's every 14 months. D's advantage is iOS requirement (12.0 vs 16.4). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

D ships an update every 14 months, Liberty lines every 4 months. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | D | Liberty lines |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **21.2% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 85 MB | 84 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ditech Srl](https://appshunter.io/developer/1610331551) | [Sitrap srl](https://appshunter.io/developer/1228070136) |

## What reviewers say

### 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


### Liberty lines

[App page](https://appshunter.io/ios/app/liberty-lines/id1558876436)

Easily search and purchase travel solutions, view your tickets, and access QR codes for validation. Manage cancellations and date changes, and find nearby stops.

**Highlights:** Search and purchase travel solutions, View and validate tickets with QR code, Cancel and change ticket dates, Find nearby stops, Manage travel bookings

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is D free?

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

### Is Liberty lines free?

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

### Do D or Liberty lines have ads?

Neither D nor Liberty lines shows ads.

### Which is updated more often, D or Liberty lines?

D ships an update every 14 months, and Liberty lines every 4 months. Most recently, D was updated on October 14, 2026 and Liberty lines on October 16, 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.*