# DAF Delayed Auditory Feedback vs TPAC Concierge

The clearest difference is monetization model: DAF Delayed Auditory Feedback at ad-supported against TPAC Concierge's free with in-app purchases. TPAC Concierge's advantage is ratings volume (24 vs 6) and iOS requirement (13.0 vs 15.0). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 2.3 for DAF Delayed Auditory Feedback against 2.3 for TPAC Concierge. Both are backed by a comparable volume of ratings — 6 and 24 respectively. Written reviews are what separate them: 20% of DAF Delayed Auditory Feedback's written reviews are positive against 14% of TPAC Concierge's.

Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on October 7, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | DAF Delayed Auditory Feedback | TPAC Concierge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (6 ratings)](https://appshunter.io/ios/app/daf-delayed-auditory-feedback/id606979390/reviews) | **[2.3 (24 ratings)](https://appshunter.io/ios/app/tpac-concierge/id1188478664/reviews)** |
| Number of ratings | 6 | **24** |
| Positive reviews | **20.0% of reviews** | 14.3% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | Every 6 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 5 MB | 33 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Junichiro Seyama](https://appshunter.io/developer/537815782) | [Fortuna Classical Music, Inc](https://appshunter.io/developer/318740992) |

## What reviewers say

### 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


### TPAC Concierge

[App page](https://appshunter.io/ios/app/tpac-concierge/id1188478664)

Easily discover and follow events at the Tennessee Performing Arts Center. Access paperless tickets, share them with others, and explore accessible services. Receive important show updates and priority offers through push notifications.

**Highlights:** Event calendar access, Paperless ticket management, Ticket sharing, Accessible services information, Push notifications for updates, Event browsing with details, In-app ticket purchasing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DAF Delayed Auditory Feedback free?

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

### Is TPAC Concierge free?

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

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

TPAC Concierge is rated higher. DAF Delayed Auditory Feedback averages 2.3 out of 5 from 6 ratings, while TPAC Concierge averages 2.3 from 24 ratings.

### Do DAF Delayed Auditory Feedback or TPAC Concierge have ads?

Both DAF Delayed Auditory Feedback and TPAC Concierge show ads.

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

DAF Delayed Auditory Feedback ships an update every 6 months, and TPAC Concierge every 6 months. Most recently, DAF Delayed Auditory Feedback was updated on October 7, 2026 and TPAC Concierge on September 15, 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.*