# Wolfgang vs keffeine

The clearest difference is iOS requirement: Wolfgang at 16.0 against keffeine's 26.0. 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.

Wolfgang ships an update monthly, keffeine fortnightly. The most recent releases landed on November 1, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Wolfgang | keffeine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/wolfgang/id992867441/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free | — |
| Size | 8 MB | 5 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Fabrique](https://appshunter.io/developer/382387479) | [Sebastian Mueller](https://appshunter.io/developer/441015592) |

## What reviewers say

### Wolfgang

[App page](https://appshunter.io/ios/app/wolfgang/id992867441)

Enhance your live and at-home classical music experience with real-time insights into the music being performed. Understand the meaning and what to listen for as the orchestra plays, enriching your appreciation of the performance.

**Highlights:** Real-time music commentary, Live concert enhancement, At-home listening option, Interpretation of musical meaning, Low data and battery usage, Multi-language support

**Features:** macOS Compatibility

**In-app purchases:** none


### keffeine

[App page](https://appshunter.io/ios/app/keffeine/id6758271726)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Wolfgang free?

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

### Is keffeine free?

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

### Do Wolfgang or keffeine have ads?

Neither Wolfgang nor keffeine shows ads.

### Which is updated more often, Wolfgang or keffeine?

Wolfgang ships an update monthly, and keffeine fortnightly. Most recently, Wolfgang was updated on November 1, 2026 and keffeine on November 9, 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.*