# Derry Jazz vs Session Whistle

The clearest difference is in-app purchases: Derry Jazz at none against Session Whistle's 4. Derry Jazz also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.0). Session Whistle's advantage is update cadence (weekly vs every 2 weeks). On price and ads there is nothing between them.

Both are free to download. Session Whistle sells 4 in-app purchases, starting at $4.99 per month. Derry Jazz asks for nothing beyond the download.

Derry Jazz ships an update every 2 weeks, Session Whistle weekly. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Derry Jazz | Session Whistle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/session-whistle-tin-whistle/id6776352701/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 63 MB | 9 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Edward Ridge](https://appshunter.io/developer/1743999786) | [Mitaanshu Agarwal](https://appshunter.io/developer/1896724075) |

## What reviewers say

### 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


### Session Whistle

[App page](https://appshunter.io/ios/app/session-whistle-tin-whistle/id6776352701)

Learn to play the tin whistle with interactive lessons, fingering guides, and a vast library of traditional tunes. Practice your pitch and rhythm with detailed feedback, and explore advanced techniques with optional Pro features.

**Highlights:** Interactive fingering illustrations, Reference notes for selected keys, Phrase and tune practice, 3,000+ offline traditional tunes, Pitch and rhythm feedback, Practice recap and sharing, Off the Page notation reduction

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Session Whistle Monthly | $4.99 | per month |
| Session Whistle Pro Monthly | $9.99 | per month |
| Session Whistle Yearly | $29.99 | per year |
| Session Whistle Pro Yearly | $59.99 | per year |


## Frequently asked questions

### Is Derry Jazz free?

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

### Is Session Whistle free?

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

### Do Derry Jazz or Session Whistle have ads?

Neither Derry Jazz nor Session Whistle shows ads.

### Which is updated more often, Derry Jazz or Session Whistle?

Derry Jazz ships an update every 2 weeks, and Session Whistle weekly. Most recently, Derry Jazz was updated on October 30, 2026 and Session Whistle on November 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.*