# Audio Techniques|Speaker Test vs RC690

The clearest difference is price: RC690 at Free against Audio Techniques|Speaker Test's $1.99. RC690 also leads on update cadence (every 4 days vs every 7 months) and iOS requirement (8.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

RC690 is free to download; Audio Techniques|Speaker Test costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Audio Techniques|Speaker Test ships an update every 7 months, RC690 every 4 days. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Audio Techniques|Speaker Test | RC690 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 days** |
| Size | 37 MB | 35 MB |
| Requires iOS | 26.0 | **8.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David Mickey](https://appshunter.io/developer/1506246434) | [DOD Tech Co.,Ltd.](https://appshunter.io/developer/730394201) |

## What reviewers say

### Audio Techniques|Speaker Test

[App page](https://appshunter.io/ios/app/audio-techniquesspeaker-test/id1029258052)

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

**In-app purchases:** none


### RC690

[App page](https://appshunter.io/ios/app/rc690/id1529575554)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Audio Techniques|Speaker Test free?

Audio Techniques|Speaker Test costs $1.99, with no in-app purchases.

### Is RC690 free?

RC690 is free to download, with no in-app purchases.

### Do Audio Techniques|Speaker Test or RC690 have ads?

Neither Audio Techniques|Speaker Test nor RC690 shows ads.

### Which is updated more often, Audio Techniques|Speaker Test or RC690?

Audio Techniques|Speaker Test ships an update every 7 months, and RC690 every 4 days. Most recently, Audio Techniques|Speaker Test was updated on October 4, 2026 and RC690 on October 14, 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.*