# D vs Derry Jazz

The clearest difference is device support: Derry Jazz at 3 against D's 1. On price, update cadence, 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 4 weeks, Derry Jazz every 2 weeks. The most recent releases landed on October 10, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | D | Derry Jazz |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 15 MB | 63 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NST Audio](https://appshunter.io/developer/1193248051) | [Edward Ridge](https://appshunter.io/developer/1743999786) |

## What reviewers say

### D

[App page](https://appshunter.io/ios/app/d-net/id1193248052)

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

**In-app purchases:** none


### Derry Jazz

[App page](https://appshunter.io/ios/app/derry-jazz/id6499599027)

Discover and organize your festival experience with searchable event listings, map views, and a favorites feature. Plan your schedule and never miss a performance.

**Highlights:** Searchable event listings, Filter by time and location, Save events to favorites, View event locations on map, Festival schedule organizer

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is D free?

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

### Is Derry Jazz free?

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

### Do D or Derry Jazz have ads?

Neither D nor Derry Jazz shows ads.

### Which is updated more often, D or Derry Jazz?

D ships an update every 4 weeks, and Derry Jazz every 2 weeks. Most recently, D was updated on October 10, 2026 and Derry Jazz on September 19, 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.*