# Sound Oscilloscope vs Waveform Visualizer

The clearest difference is rating: Waveform Visualizer at 4.2 against Sound Oscilloscope's 3.3. Waveform Visualizer also leads on ratings volume (118 vs 24). Sound Oscilloscope's advantage is in-app purchases (none vs 4) and update cadence (every 9 days vs every 4 weeks). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Waveform Visualizer sells 4 in-app purchases, starting at $2.99 per month. Sound Oscilloscope asks for nothing beyond the download.

Waveform Visualizer holds the better App Store score, 4.2 against 3.3. Both are backed by a comparable volume of ratings — 24 and 118 respectively. Written reviews point the same way: 33% of Sound Oscilloscope's written reviews are positive against 39% of Waveform Visualizer's.

Sound Oscilloscope ships an update every 9 days, Waveform Visualizer every 4 weeks. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Sound Oscilloscope | Waveform Visualizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (24 ratings)](https://appshunter.io/ios/app/sound-oscilloscope/id1442383439/reviews) | **[4.2 (118 ratings)](https://appshunter.io/ios/app/waveform-visualizer-audiom/id1587308997/reviews)** |
| Number of ratings | 24 | **118** |
| Positive reviews | 33.3% of reviews | **38.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 4 weeks |
| Monetization | **Free** | Freemium |
| Size | 15 MB | 31 MB |
| Requires iOS | **12.1** | 26 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shinichi Takemura](https://appshunter.io/developer/1441889523) | [Samira Sadeghi](https://appshunter.io/developer/1808607496) |

## What reviewers say

### Sound Oscilloscope

[App page](https://appshunter.io/ios/app/sound-oscilloscope/id1442383439)

Visualize sound waves and analyze their frequency spectrum. This utility displays the waveform of various sounds, from your voice to musical instruments, and reveals their overtone structure. Explore the sonic characteristics of your environment with this straightforward tool.

**Highlights:** Shows sound waveform, Shows sound spectrum, Shows sound power level, Sensitive algorithm, Works from 30 Hz to 4000 Hz

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

**In-app purchases:** none


### Waveform Visualizer

[App page](https://appshunter.io/ios/app/waveform-visualizer-audiom/id1587308997)

Transform your audio into captivating waveform videos for social media. Easily convert voice recordings into visual content with customizable backgrounds, colors, and wave styles. Transcribe your speech to text and make your voice stand out.

**Highlights:** Audio to waveform video conversion, Voice transcribing to text, Customizable wave styles, Background media library, Color customization, Avatar addition (Pro)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Audiom Pro Monthly | $2.99 | per month |
| Audiom Pro Weekly | $4.99 | per 7 days |
| Audiom Pro Yearly | $14.99 | per year |
| Audiom Pro | $29.99 | one-time |

**What reviewers like**

- 👍 Useful for social media
- 👍 Visually pleasing output
- 👍 Simple to use
- 👍 Handy for sharing voice
- 👍 Nice setup

**What reviewers complain about**

- 👎 Many features locked behind pro
- 👎 Basic version not worth it
- 👎 No audio import functionality
- 👎 App doesn't work
- 👎 Paid for lifetime, doesn't work

**Reported bugs**

- Subtitles freak out
- App doesn't work after screen locks
- Buttons and recording disappear after unlocking
- App crashes constantly
- Doesn't work on iPad Pro or iPhone 13 Pro Max

**Requested features**

- Ability to import audio files
- More waveform styles
- Add old LED spectrum EQ look
- Add night rider glowing red waves
- Ability to import photos


## Frequently asked questions

### Is Sound Oscilloscope free?

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

### Is Waveform Visualizer free?

Waveform Visualizer is free to download, with in-app purchases available.

### Which has better reviews, Sound Oscilloscope or Waveform Visualizer?

Waveform Visualizer is rated higher. Sound Oscilloscope averages 3.3 out of 5 from 24 ratings, while Waveform Visualizer averages 4.2 from 118 ratings.

### Do Sound Oscilloscope or Waveform Visualizer have ads?

Neither Sound Oscilloscope nor Waveform Visualizer shows ads.

### Which is updated more often, Sound Oscilloscope or Waveform Visualizer?

Sound Oscilloscope ships an update every 9 days, and Waveform Visualizer every 4 weeks. Most recently, Sound Oscilloscope was updated on October 24, 2026 and Waveform Visualizer on October 27, 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.*