Comparison

Speech Sounds Visualized vs Sensory Build It

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

Head to head
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/

About

Sensory Build It

This app offers interactive animated scenes with sounds designed for early learners, particularly those using assistive switches. It supports single and double switch use, screen taps, and external keyboard/controller input for engaging cause-and-effect activities.

Highlights
  • Cause and effect learning
  • Single and double switch support
  • Screen tap activation
  • External keyboard control
  • Xbox and Adaptive Controller support
  • Animated scenes with sounds
  • No ads or subscriptions
Features
Read full description

Sensory Build It is a simple cause and effect app particularly for early learner assistive switch or device users. Build It has modes to support development of single and double switch use, using devices such as the AbleNet Blue2 MFI bluetooth switch or RJ Cooper bluetooth small switches (more options are available). Build It also responds to screen tap, as well as external keyboard control (space, enter, 1, 2). The app provides a large range of switch/tap activated early learning animated scenes with sounds including; Musical Instruments Animals Underwater Space Toys, Patterns and more. Sensory Build It contains no adverts, does not require a subscription and does not collect data. There is a live demo on the Sensory web page link, if you would like to explore the details of the app further. External Controllers: The Build It activity screen can be controlled by an external keyboard and external access switches. Space Bar/ number 1 activate the blue (left button on screen) switch and Enter key / 2 activates the red (right button on screen). The app control buttons can be hidden with a keypress 5 Build It can also be controlled by using an XBox controller or the Microsoft Adaptive Controller with the built switches in or any other suitable switch inputs. The XBox D-Pad will move around the activities and the A and B buttons control the left and right on screen switches. Build It has a switch settings button on the first screen, which defaults to single (blue) switch mode. It is possible to select two switches (red and blue) which alternative, or two switches with a random presentation.

Screenshots

Speech Sounds Visualized4 screens
Sensory Build It4 screens

Verdict

The call

The clearest difference is review sentiment: Speech Sounds Visualized at 47% against Sensory Build It's 0%. Speech Sounds Visualized also leads on rating (4.3 vs 2.0) and ratings volume (134 vs 1). Sensory Build It's advantage is in-app purchases (none vs 3) and update cadence (fortnightly vs every 4 months). On price, ads, device support and iOS requirement 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. Sensory Build It asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Speech Sounds Visualized holds the better App Store score, 4.3 against 2.0. That said, the two scores are not equally well evidenced: Speech Sounds Visualized has 134 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 47% of Speech Sounds Visualized's written reviews are positive against 0% of Sensory Build It's.

UpkeepUpdate frequency

Speech Sounds Visualized ships an update every 4 months, Sensory Build It fortnightly. The most recent releases landed on October 23, 2026 and October 14, 2026 respectively.

Scorecard6 real differences · 4 level
Speech Sounds Visualized versus Sensory Build It: the parameters behind the verdict, then further details
ParameterSpeech Sounds VisualizedSensory Build It
PriceFreeFree
Rating4.3 (134 ratings) — better2.0 (1 ratings)
Positive reviews46.7% of reviews — better0.0% of reviews
Number of ratings134 — better1
Update frequencyEvery 4 monthsFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size448 MB42 MB
Age rating4+4+
DeveloperPullman Regional HospitalSensory App House Ltd

Customer experience

Speech Sounds Visualized

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

Sensory Build It

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

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
None

Sensory Build It

No in-app purchases

Questions

Is Speech Sounds Visualized free?
Speech Sounds Visualized is free to download, with in-app purchases available.
Is Sensory Build It free?
Sensory Build It is free to download, with no in-app purchases.
Which has better reviews, Speech Sounds Visualized or Sensory Build It?
Speech Sounds Visualized is rated higher. Speech Sounds Visualized averages 4.3 out of 5 from 134 ratings, while Sensory Build It averages 2.0 from 1 ratings.
Do Speech Sounds Visualized or Sensory Build It have ads?
Neither Speech Sounds Visualized nor Sensory Build It shows ads.
Which is updated more often, Speech Sounds Visualized or Sensory Build It?
Speech Sounds Visualized ships an update every 4 months, and Sensory Build It fortnightly. Most recently, Speech Sounds Visualized was updated on October 23, 2026 and Sensory Build It on October 14, 2026.

Other comparisons