# VoicePrinter vs Audio SA

The clearest difference is update cadence: Audio SA at every 6 months against VoicePrinter's every 47 months. On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. VoicePrinter sells 1 one-off in-app purchase and Audio SA sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

VoicePrinter ships an update every 47 months, Audio SA every 6 months. The most recent releases landed on August 28, 2026 and August 31, 2026 respectively.

## The numbers

| Metric | VoicePrinter | Audio SA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/voiceprinter/id1180382943/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 47 months | **Every 6 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 5 MB | 5 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HIROFUMI MARUO](https://appshunter.io/developer/667820705) | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) |

## What reviewers say

### VoicePrinter

[App page](https://appshunter.io/ios/app/voiceprinter/id1180382943)

Analyze sound and voice in real-time with detailed visual representations. Explore human voices, environmental sounds, music, and more. Offers recording, playback, and import/export features with a premium upgrade.

**Highlights:** Real-time sound visualization, Human voice analysis, Environmental sound analysis, Music analysis, Recording and playback, Import/export audio files

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Functions | $0.99 | one-time |


### Audio SA

[App page](https://appshunter.io/ios/app/audio-sa/id6444715596)

This app analyzes audio waveforms to create visual voiceprints as TFFT images. It offers extensive customization for FFT analysis, including adjustable ranges, sizes, scales, and window functions. A simple waveform generator is also included for learning purposes.

**Highlights:** TFFT voiceprint image generation, High-resolution image export, Customizable FFT analysis settings, Adjustable audio waveform analysis range, Simple waveform generator (sine, square, noise), Multiple FFT sizes and window functions

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads. | $3.99 | one-time |


## Frequently asked questions

### Is VoicePrinter free?

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

### Is Audio SA free?

Audio SA is free to download, with in-app purchases available.

### Do VoicePrinter or Audio SA have ads?

Both VoicePrinter and Audio SA show ads.

### Which is updated more often, VoicePrinter or Audio SA?

VoicePrinter ships an update every 47 months, and Audio SA every 6 months. Most recently, VoicePrinter was updated on August 28, 2026 and Audio SA on August 31, 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.*