# Oscilloscope vs Koala Sampler

The clearest difference is price: Koala Sampler at $4.99 against Oscilloscope's $19.99. Koala Sampler also leads on rating (4.8 vs 4.1) and update cadence (every 3 weeks vs every 8 months). Oscilloscope's advantage is in-app purchases (none vs 8). On ads and device support there is nothing between them.

Oscilloscope costs $19.99 and Koala Sampler $4.99 up front. Koala Sampler sells 8 one-off in-app purchases. Oscilloscope asks for nothing beyond the download.

Koala Sampler holds the better App Store score, 4.8 against 4.1. That said, the two scores are not equally well evidenced: Koala Sampler has 1.4K ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 72% of Oscilloscope's written reviews are positive against 88% of Koala Sampler's.

Oscilloscope ships an update every 8 months, Koala Sampler every 3 weeks. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Oscilloscope | Koala Sampler |
| --- | --- | --- |
| Price | $19.99 | **$4.99** |
| Rating | [4.1 (19 ratings)](https://appshunter.io/ios/app/oscilloscope/id388636804/reviews) | **[4.8 (1.4K ratings)](https://appshunter.io/ios/app/koala-sampler-beat-maker/id1449584007/reviews)** |
| Number of ratings | 19 | **1.4K** |
| Positive reviews | 71.7% of reviews | **88.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | — | **#6** |
| Size | 8 MB | 59 MB |
| Requires iOS | 16 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ONYX Apps](https://appshunter.io/developer/356553882) | [Mazbox Limited](https://appshunter.io/developer/329604853) |

## What reviewers say

### Oscilloscope

[App page](https://appshunter.io/ios/app/oscilloscope/id388636804)

Analyze audio and analog signals with a portable oscilloscope. Features include waveform display, triggering controls, and a built-in signal generator for various waveforms. Supports external input for more advanced measurements.

**Highlights:** Real-time waveform display, Triggering modes, Signal measurement cursors, Built-in signal generator, Dual channel input support, Reference signal calibration, Export traces as text file

**In-app purchases:** none


### Koala Sampler

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

**Currently charting:** #6 Top Paid · Music, #33 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


## Frequently asked questions

### Is Oscilloscope free?

Oscilloscope costs $19.99, with no in-app purchases.

### Is Koala Sampler free?

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

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

Koala Sampler is rated higher. Oscilloscope averages 4.1 out of 5 from 19 ratings, while Koala Sampler averages 4.8 from 1.4K ratings.

### Do Oscilloscope or Koala Sampler have ads?

Neither Oscilloscope nor Koala Sampler shows ads.

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

Oscilloscope ships an update every 8 months, and Koala Sampler every 3 weeks. Most recently, Oscilloscope was updated on October 15, 2026 and Koala Sampler on October 14, 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.*