# Oscilloscope & Spectrogram vs WoodValvet

The clearest difference is review sentiment: Oscilloscope & Spectrogram at 70% against WoodValvet's 0%. Oscilloscope & Spectrogram also leads on price ($5.99 vs $13.99) and update cadence (every 4 days vs fortnightly). WoodValvet's advantage is rating (5.0 vs 4.7). On ads, in-app purchases, monetization model and device support there is nothing between them.

Oscilloscope & Spectrogram costs $5.99 and WoodValvet $13.99 up front. Neither carries in-app purchases, so what you see is what you pay.

WoodValvet holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 26 and 7 respectively. Written reviews complicate that: 70% of Oscilloscope & Spectrogram's written reviews are positive against 0% of WoodValvet's, so the app with the better star average is not the one people write more warmly about.

Oscilloscope & Spectrogram ships an update every 4 days, WoodValvet fortnightly. The most recent releases landed on October 27, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Oscilloscope & Spectrogram | WoodValvet |
| --- | --- | --- |
| Price | **$5.99** | $13.99 |
| Rating | [4.7 (26 ratings)](https://appshunter.io/ios/app/oscilloscope-and-spectrogram/id1525484137/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/woodvalvet/id6456797752/reviews)** |
| Number of ratings | **26** | 7 |
| Positive reviews | **70.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Fortnightly |
| Monetization | Paid | Paid |
| Size | 3 MB | 13 MB |
| Requires iOS | 12.0 | **11.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blue Mangoo Consulting Company Limited](https://appshunter.io/developer/1475107602) | [Woodman's Immaculate Maple Syrup Studio](https://appshunter.io/developer/1066413972) |

## 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


### WoodValvet

[App page](https://appshunter.io/ios/app/woodvalvet/id6456797752)

This audio effect app emulates tube saturation with multiple stages, offering extensive control over drive, tube types, and circuit configurations. It features advanced filtering, modulation, and output processing for detailed sound shaping.

**Highlights:** 3 tube stages with individual drive control, Selectable tube types per stage, Series/parallel stage configuration, Input band filter with selectable slope, LFO modulation for drive and filter, Side chain input for drive modulation, Visual harmonic generation representation

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Oscilloscope & Spectrogram free?

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

### Is WoodValvet free?

WoodValvet costs $13.99, with no in-app purchases.

### Which has better reviews, Oscilloscope & Spectrogram or WoodValvet?

WoodValvet is rated higher. Oscilloscope & Spectrogram averages 4.7 out of 5 from 26 ratings, while WoodValvet averages 5.0 from 7 ratings.

### Do Oscilloscope & Spectrogram or WoodValvet have ads?

Neither Oscilloscope & Spectrogram nor WoodValvet shows ads.

### Which is updated more often, Oscilloscope & Spectrogram or WoodValvet?

Oscilloscope & Spectrogram ships an update every 4 days, and WoodValvet fortnightly. Most recently, Oscilloscope & Spectrogram was updated on October 27, 2026 and WoodValvet on October 6, 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.*