# Audio SA vs Codedas

The clearest difference is ads: Codedas at none against Audio SA's shown. Codedas also leads on update cadence (every 4 days vs every 6 months). Audio SA's advantage is iOS requirement (15.6 vs 18.0). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

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

Audio SA ships an update every 6 months, Codedas every 4 days. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Audio SA | Codedas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/codedas/id6809679135/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 4 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 5 MB | 10 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) | [Daichi Sasaki](https://appshunter.io/developer/348827338) |

## What reviewers say

### 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 |


### Codedas

[App page](https://appshunter.io/ios/app/codedas/id6809679135)

Store and display your membership and loyalty card barcodes and QR codes for quick access at checkout. Easily add codes by typing, scanning, or from photos. Your data is securely stored on your device.

**Highlights:** Store membership and loyalty card codes, Add codes via typing, camera, or photo, Supports QR, Code 128, Code 39, EAN-13, Full screen, high brightness display, Favorites and tags for organization, Lock Screen widget for top favorites, Device-only data storage

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $2.99 | one-time |


## Frequently asked questions

### Is Audio SA free?

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

### Is Codedas free?

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

### Do Audio SA or Codedas have ads?

Audio SA shows ads; Codedas does not.

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

Audio SA ships an update every 6 months, and Codedas every 4 days. Most recently, Audio SA was updated on October 3, 2026 and Codedas on October 4, 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.*