# Voice Spectrogram Logger vs Speech Analyzer

The clearest difference is review sentiment: Speech Analyzer at 100% against Voice Spectrogram Logger's 0%. Speech Analyzer also leads on rating (3.3 vs 1.0) and update cadence (every 2 months vs every 15 months). Voice Spectrogram Logger's advantage is monetization model (free vs free with in-app purchases). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Voice Spectrogram Logger sells 1 one-off in-app purchase and Speech Analyzer sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Speech Analyzer holds the better App Store score, 3.3 against 1.0. That said, the two scores are not equally well evidenced: Speech Analyzer has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Voice Spectrogram Logger's written reviews are positive against 100% of Speech Analyzer's.

Voice Spectrogram Logger ships an update every 15 months, Speech Analyzer every 2 months. The most recent releases landed on October 2, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Voice Spectrogram Logger | Speech Analyzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/voice-spectrogram-logger/id1277134462/reviews) | **[3.3 (6 ratings)](https://appshunter.io/ios/app/speech-analyzer/id1553659443/reviews)** |
| Number of ratings | 1 | **6** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 7 MB | 2 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Yukiko Iwai](https://appshunter.io/developer/965630131) | [Murphy Brantley](https://appshunter.io/developer/428462902) |

## What reviewers say

### Voice Spectrogram Logger

[App page](https://appshunter.io/ios/app/voice-spectrogram-logger/id1277134462)

Visualize voice frequencies in a spectrogram from 20-2500Hz. Adjust display with sliders and log recordings to export as PNG files. Functions fully offline and supports background processing.

**Highlights:** Real-time voice spectrogram display, Adjustable frequency range (20-2500Hz), Zoomable spectrogram with pinch gestures, Customizable spectrogram gradation, Logging mode with history export, Offline functionality

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


### Speech Analyzer

[App page](https://appshunter.io/ios/app/speech-analyzer/id1553659443)

Improve your public speaking by practicing speeches and receiving instant feedback. Analyze your pace, clarity, and filler word usage. Review full transcripts and track your progress to become a more confident speaker.

**Highlights:** Speak with confidence, Learn to speak slower and clearer, Avoid filler words, View full speech transcripts, Track progress over time, Analyze pause duration, Analyze words per minute

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Speech Storage | $2.99 | one-time |
| Full Word Count | $2.99 | one-time |
| Unlimited Speech Duration | $2.99 | one-time |
| Unlock Everything | $4.99 | one-time |


## Frequently asked questions

### Is Voice Spectrogram Logger free?

Voice Spectrogram Logger is free to download, with in-app purchases available.

### Is Speech Analyzer free?

Speech Analyzer is free to download, with in-app purchases available.

### Which has better reviews, Voice Spectrogram Logger or Speech Analyzer?

Speech Analyzer is rated higher. Voice Spectrogram Logger averages 1.0 out of 5 from 1 ratings, while Speech Analyzer averages 3.3 from 6 ratings.

### Do Voice Spectrogram Logger or Speech Analyzer have ads?

Neither Voice Spectrogram Logger nor Speech Analyzer shows ads.

### Which is updated more often, Voice Spectrogram Logger or Speech Analyzer?

Voice Spectrogram Logger ships an update every 15 months, and Speech Analyzer every 2 months. Most recently, Voice Spectrogram Logger was updated on October 2, 2026 and Speech Analyzer on September 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*