Comparison

Fonate DAF vs Speech Sounds Visualized

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Delayed Auditory Feedback
  • Choral effect for fluency
  • Wired headset support
  • Bluetooth headset support
  • Pitch alteration
Read full description

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.

About

Speech Sounds Visualized

Visualize English speech sounds with x-ray videos and 3D animations. Learn pronunciation and articulation with detailed instructions and practice exercises. Includes recording and slow-motion features for enhanced learning.

Highlights
  • X-ray videos of sound formation
  • 3D animations for all sounds
  • Organized by sound type (consonants, vowels, R-combinations)
  • Written instructions from a Speech Language Pathologist
  • Recording capability (sound, word, sentence)
  • Slow motion and zoom features
  • No advertisements
Features
Read full description

Want to see exactly how the English speech sounds are made? Our App allows you to see speech in action to accelerate learning! Simply select the sound you wish to visualize, then watch stunning x-ray videos accurately show how each sound is formed in the mouth. In addition to unique x-ray images, we also provide incredible 3D animations for each and every sound! Created by a Speech Language Pathologist, a subscription to our App includes numerous features designed to stimulate progress: *Toggle between 3D animations, x-ray images, or standard videos for all sounds in the English phonetic alphabet *Sounds are organized into 3 sections: consonants, vowels, and the R-sound combinations *Sounds can be viewed in the phonetic alphabet symbols if preferred *Written instructions provided by a Speech Language Pathologist *Recording capability at the sound, word, and sentence levels *Words and sentences that highlight each sound provided for extra practice *Slow motion feature *Zoom feature *Customer service available directly through the App via click-through to email *No advertisements in order to facilitate learning without distraction *Phonemes included: p,b,m,w,f,v,t,d,s,z,n,l,k,g,h,sh,zh,ng,y,j,ch,th, vowels, and all vocalic r sounds Subscription Details: *Monthly Subscription: full access to Speech Sounds Visualized for one month *Annual Subscription: full access to Speech Sounds Visualized for one year *Payment will be charged to your iTunes account at confirmation of purchase *Subscriptions automatically renew unless canceled within 24-hours before the end of the current period *You can cancel anytime or turn off auto-renew in your iTunes account settings. SSV is also available for bulk purchase through the Apple School Manager and Apple Business Manager programs. Please contact us at ssv@pullmanregional.org to purchase. For more information, see our Privacy Policy & Terms of Service: https://www.speechsoundsvisualized.org/

Screenshots

Speech Sounds Visualized4 screens

Verdict

The call

The clearest difference is in-app purchases: Fonate DAF at none against Speech Sounds Visualized's 3. Fonate DAF also leads on review sentiment (57% vs 47%). Speech Sounds Visualized's advantage is update cadence (every 4 months vs every 10 months) and ratings volume (131 vs 34). On price, rating, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Speech Sounds Visualized sells 3 in-app purchases, starting at $2.99 per month. Fonate DAF asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.3 for Fonate DAF against 4.3 for Speech Sounds Visualized. Both are backed by a comparable volume of ratings — 34 and 131 respectively. Written reviews are what separate them: 57% of Fonate DAF's written reviews are positive against 47% of Speech Sounds Visualized's.

UpkeepUpdate frequency

Fonate DAF ships an update every 10 months, Speech Sounds Visualized every 4 months. The most recent releases landed on June 5, 2026 and September 21, 2026 respectively.

Scorecard6 real differences · 4 level
Fonate DAF versus Speech Sounds Visualized: the parameters behind the verdict, then further details
ParameterFonate DAFSpeech Sounds Visualized
PriceFreeFree
Rating4.3 (34 ratings)4.3 (131 ratings) — better
Positive reviews57.1% of reviews — better46.7% of reviews
Number of ratings34131 — better
Update frequencyEvery 10 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS17.013.0 — better
Further details — not scored
Size17 MB448 MB
Age rating4+4+
DeveloperTane LangtonPullman Regional Hospital

Customer experience

Fonate DAF

All ratings33 ratings
Positive81.8%
Neutral0.0%
Negative18.2%
Written reviews14 reviews
Positive57.1%
Neutral0.0%
Negative42.9%

Speech Sounds Visualized

All ratings131 ratings
Positive82.4%
Neutral3.8%
Negative13.7%
Written reviews15 reviews
Positive46.7%
Neutral13.3%
Negative40.0%

In-app purchases

None

Fonate DAF

No in-app purchases

3 purchases

Speech Sounds Visualized

Subscriptions2
  • Monthly Subscription$2.991 Month
  • Annual Subscription$29.991 Year
One-time1
  • R-Sound Combinations$0.99

Questions

Is Fonate DAF free?
Fonate DAF is free to download, with no in-app purchases.
Is Speech Sounds Visualized free?
Speech Sounds Visualized is free to download, with in-app purchases available.
Which has better reviews, Fonate DAF or Speech Sounds Visualized?
Speech Sounds Visualized is rated higher. Fonate DAF averages 4.3 out of 5 from 34 ratings, while Speech Sounds Visualized averages 4.3 from 131 ratings.
Do Fonate DAF or Speech Sounds Visualized have ads?
Neither Fonate DAF nor Speech Sounds Visualized shows ads.
Which is updated more often, Fonate DAF or Speech Sounds Visualized?
Fonate DAF ships an update every 10 months, and Speech Sounds Visualized every 4 months. Most recently, Fonate DAF was updated on June 5, 2026 and Speech Sounds Visualized on September 21, 2026.

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