# Oscilloscope & Spectrogram vs Prism MIDI Sequencer

The clearest difference is price: Oscilloscope & Spectrogram at $5.99 against Prism MIDI Sequencer's $19.99. Oscilloscope & Spectrogram also leads on in-app purchases (none vs 5) and update cadence (every 4 days vs every 2 weeks). Prism MIDI Sequencer's advantage is review sentiment (86% vs 70%). On rating, ratings volume, ads and device support there is nothing between them.

Oscilloscope & Spectrogram costs $5.99 and Prism MIDI Sequencer $19.99 up front. Prism MIDI Sequencer sells 5 one-off in-app purchases. Oscilloscope & Spectrogram asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Oscilloscope & Spectrogram against 4.7 for Prism MIDI Sequencer. Both are backed by a comparable volume of ratings — 26 and 34 respectively. Written reviews are what separate them: 70% of Oscilloscope & Spectrogram's written reviews are positive against 86% of Prism MIDI Sequencer's.

Oscilloscope & Spectrogram ships an update every 4 days, Prism MIDI Sequencer every 2 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Oscilloscope & Spectrogram | Prism MIDI Sequencer |
| --- | --- | --- |
| Price | **$5.99** | $19.99 |
| Rating | [4.7 (26 ratings)](https://appshunter.io/ios/app/oscilloscope-and-spectrogram/id1525484137/reviews) | **[4.7 (34 ratings)](https://appshunter.io/ios/app/prism-midi-sequencer/id6502302630/reviews)** |
| Number of ratings | 26 | **34** |
| Positive reviews | 70.0% of reviews | **85.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 3 MB | 55 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Blue Mangoo Consulting Company Limited](https://appshunter.io/developer/1475107602) | [Tyler Quatraro](https://appshunter.io/developer/1724470298) |

## What reviewers say

### Oscilloscope & Spectrogram

[App page](https://appshunter.io/ios/app/oscilloscope-and-spectrogram/id1525484137)

Analyze audio in real-time with detailed oscilloscope and spectrogram views. Pause, scroll, and zoom to precisely identify frequencies, notes, and sound events. Offers advanced triggering and a unique Bark-frequency scale for detailed analysis.

**Highlights:** Real-time oscilloscope and spectrogram, Pause and scroll audio history, Pinch-to-zoom functionality, Frequency and MIDI note identification, Stereo and mono views, Trigger with lookahead

**Features:** Vision Pro support

**In-app purchases:** none


### Prism MIDI Sequencer

[App page](https://appshunter.io/ios/app/prism-midi-sequencer/id6502302630)

This app is a powerful 16-track MIDI step sequencer designed for iOS devices. It allows users to create complex musical patterns with high resolution, elastic timing, and per-step control. It integrates with external synths and samplers, offering extensive features for melody, harmony, and drum sequencing.

**Highlights:** 16-track AUv3 MIDI step sequencer, High resolution and elastic timing, Per-step control and step FX, Scale modes and flow modes for tonal tracks, 16 mini-sequencers per drum track, LFOs, arpeggiator, and generative tools, Scene and mute profile performance modes

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LFO Extension | $4.99 | one-time |
| Step FX | $4.99 | one-time |
| Multi-Sequencer  Tone Tracks | $4.99 | one-time |
| Launchkey Mini MK4 Control | $4.99 | one-time |
| Euclidean Sequencer Extension | $4.99 | one-time |


## Frequently asked questions

### Is Oscilloscope & Spectrogram free?

Oscilloscope & Spectrogram costs $5.99, with no in-app purchases.

### Is Prism MIDI Sequencer free?

Prism MIDI Sequencer costs $19.99, and also offers in-app purchases.

### Which has better reviews, Oscilloscope & Spectrogram or Prism MIDI Sequencer?

Prism MIDI Sequencer is rated higher. Oscilloscope & Spectrogram averages 4.7 out of 5 from 26 ratings, while Prism MIDI Sequencer averages 4.7 from 34 ratings.

### Do Oscilloscope & Spectrogram or Prism MIDI Sequencer have ads?

Neither Oscilloscope & Spectrogram nor Prism MIDI Sequencer shows ads.

### Which is updated more often, Oscilloscope & Spectrogram or Prism MIDI Sequencer?

Oscilloscope & Spectrogram ships an update every 4 days, and Prism MIDI Sequencer every 2 weeks. Most recently, Oscilloscope & Spectrogram was updated on November 3, 2026 and Prism MIDI Sequencer 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.*