# Sting 25 vs GuitarKampus

The clearest difference is review sentiment: Sting 25 at 65% against GuitarKampus's 0%. Sting 25 also leads on rating (3.9 vs 1.0) and update cadence (monthly vs every 3 months). GuitarKampus's advantage is monetization model (free vs paid). On price, ads, in-app purchases and device support there is nothing between them.

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

Sting 25 holds the better App Store score, 3.9 against 1.0. That said, the two scores are not equally well evidenced: Sting 25 has 15 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 65% of Sting 25's written reviews are positive against 0% of GuitarKampus's.

Sting 25 ships an update monthly, GuitarKampus every 3 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Sting 25 | GuitarKampus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (15 ratings)](https://appshunter.io/ios/app/sting-25/id478115302/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/guitarkampus/id6743888744/reviews) |
| Number of ratings | **15** | 2 |
| Positive reviews | **64.5% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Paid | **Free** |
| Size | 1.6 GB | 28 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RadicalMedia, LLC](https://appshunter.io/developer/400164871) | [ZHU QIONG](https://appshunter.io/developer/1805052302) |

## What reviewers say

### Sting 25

[App page](https://appshunter.io/ios/app/sting-25/id478115302)

Explore the 25-year solo career of a renowned musician through exclusive concert footage, interviews, and personal stories. Discover influences, activism, and artistry with unparalleled access to rare photos and handwritten lyrics.

**Highlights:** Exclusive concert footage, Behind-the-scenes access, In-depth interviews, Handwritten lyrics and journal entries, 360 degree instrument views, Chronological career chapters

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🎬 Extensive concert footage and exclusive 60th birthday concert videos
- 🎨 Beautiful, intuitive, and well-designed user interface
- 📚 Comprehensive career retrospective with rare archival material
- 🎵 Rich multimedia content including photos, interviews, and performances
- 💰 Free app with premium content

**What reviewers complain about**

- 🐛 Video playback frequently broken or non-functional
- 🔇 No sound or audio issues in videos
- ⏳ Extremely slow video streaming and loading times
- ❌ App crashes and freezes when accessing concert content
- 🚫 Fails to load or gets stuck on splash screen

**Reported bugs**

- Concert video playback fails or crashes
- No audio or sound in video content
- App hangs at splash screen and won't load
- Videos freeze and buffer continuously
- App crashes when tapping on concert footage

**Requested features**

- Full concert performances available for purchase or download
- Release entire concert on Blu-Ray
- Regular content updates with new concert footage and behind-the-scenes material
- Ability to purchase and download birthday concert performances
- Background music persistence when switching between apps


### GuitarKampus

[App page](https://appshunter.io/ios/app/guitarkampus/id6743888744)

This music app features a precision tuner, a customizable metronome, and a smart sheet music library supporting various formats. It also includes an intelligent slow player to help master challenging musical passages by adjusting speed and pitch.

**Highlights:** Precision tuner with standard and custom modes, Customizable metronome with tempo and time signatures, Smart sheet music library for PDF and Guitar Pro files, Intelligent slow player for speed and pitch adjustment, Looping functionality for practice sections

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sting 25 free?

Sting 25 is free to download, with no in-app purchases.

### Is GuitarKampus free?

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

### Which has better reviews, Sting 25 or GuitarKampus?

Sting 25 is rated higher. Sting 25 averages 3.9 out of 5 from 15 ratings, while GuitarKampus averages 1.0 from 2 ratings.

### Do Sting 25 or GuitarKampus have ads?

Neither Sting 25 nor GuitarKampus shows ads.

### Which is updated more often, Sting 25 or GuitarKampus?

Sting 25 ships an update monthly, and GuitarKampus every 3 months. Most recently, Sting 25 was updated on November 1, 2026 and GuitarKampus on October 30, 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.*