# Koala Sampler vs Vetro

The clearest difference is review sentiment: Koala Sampler at 88% against Vetro's 40%. Koala Sampler also leads on rating (4.8 vs 4.0) and ratings volume (1.5K vs 2). Vetro's advantage is price (Free vs $4.99) and in-app purchases (none vs 8). On ads and device support there is nothing between them.

Vetro is free to download; Koala Sampler costs $4.99 up front. Koala Sampler sells 8 one-off in-app purchases. Vetro asks for nothing beyond the download.

Koala Sampler holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Koala Sampler has 1.5K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 88% of Koala Sampler's written reviews are positive against 40% of Vetro's.

Koala Sampler ships an update fortnightly, Vetro every 2 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Koala Sampler | Vetro |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.8 (1.5K ratings)](https://appshunter.io/ios/app/koala-sampler-beat-maker/id1449584007/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/vetro-visual-metronome/id1637121079/reviews) |
| Number of ratings | **1.5K** | 2 |
| Positive reviews | **88.3% of reviews** | 40.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | **#7** | — |
| Size | 60 MB | 6 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Mazbox Limited](https://appshunter.io/developer/329604853) | [Joan Duat](https://appshunter.io/developer/1866565344) |

## What reviewers say

### Koala Sampler

[App page](https://appshunter.io/ios/app/koala-sampler-beat-maker/id1449584007)

**Currently charting:** #7 Top Paid · Music, #44 Top Paid (US App Store)

This app allows you to record sounds with your phone's microphone, transform them with effects, and create beats and tracks. Its intuitive interface focuses on a fast and fun music-making process.

**Highlights:** Record up to 64 samples with mic, Apply 16 built-in effects, Load and use own samples, Create beats with high-resolution sequencer, Export loops and tracks as WAV, AI sample separation, AUv3 and MIDI compatibility

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Koala AUv3 Plugin | $1.99 | one-time |
| Ese-O's Sample Pack | $2.99 | one-time |
| Solar Studies Samplepack | $2.99 | one-time |
| Soon Come Dub Sample Pack | $2.99 | one-time |
| Analog Astronaut Samplepack | $2.99 | one-time |
| Cirrus Cuts Sample Pack | $2.99 | one-time |
| Samurai Edition | $3.99 | one-time |
| Mixer | $4.99 | one-time |

**What reviewers like**

- 👍 Intuitive and easy to use
- 🚀 Smooth workflow and fast performance
- 💡 Powerful sampling and sequencing capabilities
- 🔥 Excellent value for the price
- 🎨 Creative and inspiring sound design

**What reviewers complain about**

- 🐛 Occasional crashes and stability issues
- 🔇 Limited effects and sound manipulation options
- 📁 Difficulty managing and organizing samples/projects
- 🎚️ Lack of advanced MIDI mapping and control options
- 🔍 Unclear or confusing UI elements in certain areas

**Reported bugs**

- Samples not loading or disappearing after app updates
- Sequencer timing and quantization issues
- Crashes when using certain features or with large projects

**Requested features**

- Ability to record and edit MIDI sequences
- More comprehensive effects and sound processing tools
- Improved sample management and organization features
- Support for external MIDI controllers and hardware integration
- Customizable color schemes and UI themes


### Vetro

[App page](https://appshunter.io/ios/app/vetro-visual-metronome/id1637121079)

This app provides a visual metronome with dynamic beat synchronization via Ableton Link. It supports custom animations and works across multiple devices, enhancing practice and recording sessions.

**Highlights:** Visual metronome, Ableton Link synchronization, Custom GIF and Lottie animations, Multiple visualization modes, Cross-device support (iPhone, iPad, macOS), Adjustable time signatures

**In-app purchases:** none


## Frequently asked questions

### Is Koala Sampler free?

Koala Sampler costs $4.99, and also offers in-app purchases.

### Is Vetro free?

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

### Which has better reviews, Koala Sampler or Vetro?

Koala Sampler is rated higher. Koala Sampler averages 4.8 out of 5 from 1.5K ratings, while Vetro averages 4.0 from 2 ratings.

### Do Koala Sampler or Vetro have ads?

Neither Koala Sampler nor Vetro shows ads.

### Which is updated more often, Koala Sampler or Vetro?

Koala Sampler ships an update fortnightly, and Vetro every 2 months. Most recently, Koala Sampler was updated on October 29, 2026 and Vetro 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.*