Fonate DAF vs qb DAF
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fonate DAF
This application utilizes Delayed Auditory Feedback to assist individuals who stutter in achieving more fluent speech. By listening to their voice with a slight delay and pitch alteration through a headset, users can experience a 'choral effect' known to reduce stuttering.
- Delayed Auditory Feedback
- Choral effect for fluency
- Wired headset support
- Bluetooth headset support
- Pitch alteration
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Fonate DAF can help people who stutter achieve slower, more fluent speech by using Delayed Auditory Feedback. Using a wired or bluetooth headset, you are able hear your voice with a slight delay and change in pitch as you speak. This creates a "choral effect", which has been shown to help reduce stuttering in many people. • Requires a wired or bluetooth headset.
qb DAF
This app provides delayed auditory feedback to help users improve their speech fluency in real-time. By hearing their voice with a slight delay, users can adjust their breathing and timing to overcome speaking obstacles, potentially reducing stuttering.
- Delayed Auditory Feedback (DAF)
- Real-time voice feedback
- Improves speech fluency
- Reduces stuttering
- Supports wired and Bluetooth headphones
- Adjustable delay settings
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Hear your voice differently. Speak more fluently. qb DAF brings Delayed Auditory Feedback — a technique used by speech-language pathologists for decades — to your pocket. Put on your headphones, press Start, and hear your own voice played back with a slight delay. For many people who stutter, this simple change is enough to noticeably improve fluency and slow down speech naturally. HOW IT WORKS Delayed Auditory Feedback (DAF) alters the way you hear yourself while speaking. By delaying your voice by a fraction of a second, it encourages slower, more deliberate speech and can reduce stuttering for many users. DAF is also used to practice pacing in everyday conversation, public speaking, and reading aloud. FEATURES • Real-time voice feedback with no recording — your voice goes straight from the microphone to your headphones • Adjustable delay from 25 to 200 ms, in simple 25 ms steps • Change the delay live, while you speak, and feel the difference instantly • Sound waves on screen follow your real voice • Works in the background and with the screen locked — keep practicing while reading or walking • Safe by design: starts only with headphones connected, and stops automatically if they disconnect or a call comes in • Clear warning when Bluetooth headphones add extra latency (wired headphones give the most accurate timing) • No account, no ads, no tracking. Completely free. PRIVACY FIRST Your voice is never recorded, saved, or sent anywhere. All audio is processed in real time on your device and disappears the moment you hear it. qb DAF collects no data at all. GETTING STARTED 1. Connect your headphones (wired recommended) 2. Choose your delay — most people start around 50–100 ms 3. Press Start and speak qb DAF is a self-practice tool and is not a medical device. It does not replace professional advice from a speech-language pathologist.
Screenshots
Verdict
The clearest difference is price: Fonate DAF at Free against qb DAF's $1.99. Fonate DAF also leads on update cadence (every 10 months vs every 31 months) and ratings volume (34 vs 5). qb DAF's advantage is rating (4.8 vs 4.3). On review sentiment, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Fonate DAF is free to download; qb DAF costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
qb DAF holds the better App Store score, 4.8 against 4.3. That said, the two scores are not equally well evidenced: Fonate DAF has 34 ratings behind it against 5, so its average is the more settled of the two. Written reviews complicate that: 57% of Fonate DAF's written reviews are positive against 50% of qb DAF's, so the app with the better star average is not the one people write more warmly about.
Fonate DAF ships an update every 10 months, qb DAF every 31 months. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.
| Parameter | Fonate DAF | qb DAF |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.3 (34 ratings) | 4.8 (5 ratings) — better |
| Positive reviews | 57.1% of reviews — better | 50.0% of reviews |
| Number of ratings | 34 — better | 5 |
| Update frequency | Every 10 months — better | Every 31 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 17 MB | 22 MB |
| Age rating | 4+ | 17+ |
| Developer | Tane Langton | Giuseppe Di Cienzo |
Customer experience
Fonate DAF
qb DAF
In-app purchases
Fonate DAF
No in-app purchases
qb DAF
No in-app purchases






