# KoblenzPass vs D

The clearest difference is in-app purchases: KoblenzPass at none against D's 8. KoblenzPass also leads on iOS requirement (13.0 vs 15.0). D's advantage is update cadence (weekly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. D sells 8 one-off in-app purchases. KoblenzPass asks for nothing beyond the download.

KoblenzPass ships an update every 2 months, D weekly. The most recent releases landed on October 5, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | KoblenzPass | D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/d-day-audio-guide/id6760120607/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 55 MB | 43 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Tur an Tur - Digitalfabrik gGmbH](https://appshunter.io/developer/1309363258) | [Andrew Sutherland](https://appshunter.io/developer/1872947417) |

## What reviewers say

### KoblenzPass

[App page](https://appshunter.io/ios/app/koblenzpass/id6670392532)

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

**In-app purchases:** none


### D

[App page](https://appshunter.io/ios/app/d-day-audio-guide/id6760120607)

Experience Normandy's D-Day landing beaches and airborne drop zones with GPS-triggered audio tours. Explore historical sites, museums, and memorials with automatic narration that brings history to life. Download content for offline use and navigate easily with interactive maps.

**Highlights:** GPS-triggered audio tours, Interactive maps, Automatic narration, Offline content download, Progress tracking, On-site historical context

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gold Beach Sector D-Day Tour | $5.99 | one-time |
| Sword Beach Sector D-Day Tour | $5.99 | one-time |
| Juno Beach Sector D-Day Tour | $5.99 | one-time |
| Utah Beach Sector D-Day Tour | $8.99 | one-time |
| Omaha Beach Sector D-Day Tour | $8.99 | one-time |
| American Highlights Tour | $14.99 | one-time |
| British & Canadian Highlights Tour | $14.99 | one-time |
| Full Access | $19.99 | one-time |


## Frequently asked questions

### Is KoblenzPass free?

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

### Is D free?

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

### Do KoblenzPass or D have ads?

Neither KoblenzPass nor D shows ads.

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

KoblenzPass ships an update every 2 months, and D weekly. Most recently, KoblenzPass was updated on October 5, 2026 and D on September 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.*