# iYinYang vs DAF Delayed Auditory Feedback

The clearest difference is review sentiment: iYinYang at 67% against DAF Delayed Auditory Feedback's 20%. iYinYang also leads on rating (4.3 vs 2.3) and ads (none vs shown). DAF Delayed Auditory Feedback's advantage is price (Free vs $3.99). On update cadence, in-app purchases and device support there is nothing between them.

DAF Delayed Auditory Feedback is free to download; iYinYang costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iYinYang holds the better App Store score, 4.3 against 2.3. That said, the two scores are not equally well evidenced: iYinYang has 40 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 67% of iYinYang's written reviews are positive against 20% of DAF Delayed Auditory Feedback's.

iYinYang ships an update every 5 months, DAF Delayed Auditory Feedback every 6 months. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | iYinYang | DAF Delayed Auditory Feedback |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.3 (40 ratings)](https://appshunter.io/ios/app/iyinyang/id498030736/reviews)** | [2.3 (6 ratings)](https://appshunter.io/ios/app/daf-delayed-auditory-feedback/id606979390/reviews) |
| Number of ratings | **40** | 6 |
| Positive reviews | **66.7% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 5 months** | Every 6 months |
| Monetization | Paid | **Ad-supported** |
| Size | 11 MB | 5 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Gary Saggu](https://appshunter.io/developer/465733546) | [Junichiro Seyama](https://appshunter.io/developer/537815782) |

## What reviewers say

### iYinYang

[App page](https://appshunter.io/ios/app/iyinyang/id498030736)

Explore Chinese astrology with beautiful graphics and intuitive design. Get personalized readings for yourself and friends, including zodiac animal, element, and ascendant signs. Discover hidden characteristics and learn about the fascinating world of Chinese horoscopes.

**Highlights:** Unlimited profiles for readings, Chinese Zodiac animal sign, Chinese element sign, Chinese Ascendant sign, Element animal reading, Chinese name and pronunciation, Browse past and future dates

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

**In-app purchases:** none


### DAF Delayed Auditory Feedback

[App page](https://appshunter.io/ios/app/daf-delayed-auditory-feedback/id606979390)

This app uses delayed auditory feedback to make speaking difficult by playing your voice back through headphones with a slight delay. It's a tool for psychological experiments, allowing users to test the effects of DAF on their own speech.

**Highlights:** Delayed auditory feedback simulation, Voice input via microphone, Audio output through headphones, Psychological experiment tool, Adjustable delay effects, Speech disruption testing

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

**In-app purchases:** none


## Frequently asked questions

### Is iYinYang free?

iYinYang costs $3.99, with no in-app purchases.

### Is DAF Delayed Auditory Feedback free?

DAF Delayed Auditory Feedback is free to download, with no in-app purchases.

### Which has better reviews, iYinYang or DAF Delayed Auditory Feedback?

iYinYang is rated higher. iYinYang averages 4.3 out of 5 from 40 ratings, while DAF Delayed Auditory Feedback averages 2.3 from 6 ratings.

### Do iYinYang or DAF Delayed Auditory Feedback have ads?

DAF Delayed Auditory Feedback shows ads; iYinYang does not.

### Which is updated more often, iYinYang or DAF Delayed Auditory Feedback?

iYinYang ships an update every 5 months, and DAF Delayed Auditory Feedback every 6 months. Most recently, iYinYang was updated on October 12, 2026 and DAF Delayed Auditory Feedback on October 7, 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.*