# CanSeeVoice vs Audio / Spectrum Analyzer

The clearest difference is in-app purchases: CanSeeVoice at none against Audio / Spectrum Analyzer's 1. CanSeeVoice also leads on ads (none vs shown) and rating (5.0 vs 4.6). Audio / Spectrum Analyzer's advantage is update cadence (every 2 weeks vs every 5 months) and ratings volume (1.1K vs 2). On price and device support there is nothing between them.

Both are free to download. Audio / Spectrum Analyzer sells 1 one-off in-app purchase. CanSeeVoice asks for nothing beyond the download.

CanSeeVoice holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Audio / Spectrum Analyzer has 1.1K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of CanSeeVoice's written reviews are positive against 79% of Audio / Spectrum Analyzer's.

CanSeeVoice ships an update every 5 months, Audio / Spectrum Analyzer every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | CanSeeVoice | Audio / Spectrum Analyzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/canseevoice/id1093685818/reviews)** | [4.6 (1.1K ratings)](https://appshunter.io/ios/app/audio-spectrum-analyzer/id1508848574/reviews) |
| Number of ratings | 2 | **1.1K** |
| Positive reviews | **100.0% of reviews** | 78.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 5 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [yo muneta](https://appshunter.io/developer/1093685817) | [Loop-Sessions.LLC.](https://appshunter.io/developer/414215366) |

## What reviewers say

### CanSeeVoice

[App page](https://appshunter.io/ios/app/canseevoice/id1093685818)

This app visualizes your voice's frequency and amplitude using wave and FFT graphs. It includes a piano keyboard to help you match vocal pitches and offers recording, playback, and noise rejection features. Adjust system volume and explore various graph displays for detailed audio analysis.

**Highlights:** Fundamental frequency display, Wave and FFT graph visualization, Recording and playback, Piano keyboard sound output, Noise rejection, System volume control

**Features:** macOS Compatibility

**In-app purchases:** none


### Audio / Spectrum Analyzer

[App page](https://appshunter.io/ios/app/audio-spectrum-analyzer/id1508848574)

This application analyzes audio input from your microphone, displaying both the waveform and amplitude spectrum in real-time. It offers extensive customization for display, calculation, and signal generation.

**Highlights:** Simultaneous waveform and spectrum display, Configurable display layouts, Selectable FFT size and averaging, Frequency weighting options (Flat, dBA, dBC), Octave band analysis, Audio signal and noise generation, Peak hold and pitch meter

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Remove ads, High-Res analysis) | $11.99 | one-time |

**What reviewers like**

- 👍 Customizable features
- ⚙️ Accurate measurements
- 🚀 Helpful for troubleshooting
- 💡 Useful for ghost hunting

**What reviewers complain about**

- 🐛 Crashes and freezes
- 🔋 High battery and CPU usage
- 🚫 Inappropriate ads/content
- 🔒 Security concerns with payment info

**Reported bugs**

- Stuck on latest measurement
- White noise instead of expected functionality
- Disconnects AirPods

**Requested features**

- Sampling rate adjustment
- Wave shape tracking
- Audio file analysis
- Octave analysis


## Frequently asked questions

### Is CanSeeVoice free?

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

### Is Audio / Spectrum Analyzer free?

Audio / Spectrum Analyzer is free to download, with in-app purchases available.

### Which has better reviews, CanSeeVoice or Audio / Spectrum Analyzer?

CanSeeVoice is rated higher. CanSeeVoice averages 5.0 out of 5 from 2 ratings, while Audio / Spectrum Analyzer averages 4.6 from 1.1K ratings.

### Do CanSeeVoice or Audio / Spectrum Analyzer have ads?

Audio / Spectrum Analyzer shows ads; CanSeeVoice does not.

### Which is updated more often, CanSeeVoice or Audio / Spectrum Analyzer?

CanSeeVoice ships an update every 5 months, and Audio / Spectrum Analyzer every 2 weeks. Most recently, CanSeeVoice was updated on October 24, 2026 and Audio / Spectrum Analyzer on October 25, 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.*