Comparison

Vowels Front Back vs TSHA Annual Conventions

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

Head to head
About

Vowels Front Back

Features
Read full description

The Speech Articulation: Vowels Front/Back app authored by Fred D. Minifie, Ph.D, provides valuable instructional/clinical tools for speech-language pathologists, otolaryngologists, speech scientists, linguists, teachers of singing and other professionals. The app includes five front and five back vowel dynamic animations with sound plus a key view for each of the tongue shape and placement for the structural movements involved in the production of the vowels of American English. Disclaimer: seek a doctor’s advice in addition to using this app and before making any medical decisions. • Anatomy ID: as each part is touched, the part highlights and the part name and description text changes. Description text shows or hides on demand. Description text shows or hides on demand. - Anatomy view - 26 parts, includes nose, mouth and throat structure ID. Zoom and pans. • Highlight View: key view of the tongue shape and placement for five front and five back vowels of American English. - Front: /i/, /ɪ/, /e/, /ε/, /æ/ Back: /α/, /כ/, /o/, /υ/, /u/ • Animations: each vowel shows a lateral view of dynamic movements of the jaw, lips, tongue, velum (soft palate), and larynx needed for proper articulation of that vowel. Audio for each vowel sound is synchronized with the dynamic animations. Anatomy animations included. • Two finger pan of all animations and key animation pages. • Drawing Whiteboard feature: - Drawing: freeform lines in red, blue, green or black hue. - Draw and text directly on active animation and video. - Text: 36pt, auto wrap, non-movable in red, blue, green or black hue. - Eraser: touch and rub lines and text on whiteboard to erase. - Trash: one tap deletes all whiteboard lines and text. - Screenshot whiteboard direct to Photos App for easy email and printing. • iOS 6.0+ required, designed for iPad and iPhone. The Speech Articulation: Vowels Front/Back app makes learning otitis media ear disorders easy. See example screen shots below. Get the app today!

About

TSHA Annual Conventions

Access presentation slides, presenter and exhibitor details for select Texas Speech Language and Hearing Association annual conventions. Draw, highlight, and take notes directly on presentation slides, with all notes saved online for easy access.

Highlights
  • Browse presentations
  • View presenter details
  • Access exhibitor information
  • Download presentation slides
  • Draw and highlight on slides
  • Take notes on slides
  • Online note saving
Features
Read full description

**** FOR ATTENDEES ONLY **** The TSHA Annual Conventions mobile application allows you to browse through presentations, presenter, and exhibitor details, as well as other resources from select Texas Speech Language and Hearing Association annual conventions. Presentation slides are also available for many of the sessions. You can draw and highlight directly on the slides using your finger, and you can take notes adjacent each slide. All your notes are saved online and can be accessed through your online personal summary.

Screenshots

Vowels Front Back4 screens
TSHA Annual Conventions4 screens

Verdict

The call

The clearest difference is price: TSHA Annual Conventions at Free against Vowels Front Back's $3.99. TSHA Annual Conventions also leads on update cadence (every 8 months vs every 40 months). Vowels Front Back's advantage is iOS requirement (11.0 vs 15.5). On 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

CostPrice · In-app purchases · Ads · Monetization

TSHA Annual Conventions is free to download; Vowels Front Back costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Vowels Front Back ships an update every 40 months, TSHA Annual Conventions every 8 months. The most recent releases landed on October 29, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
Vowels Front Back versus TSHA Annual Conventions: the parameters behind the verdict, then further details
ParameterVowels Front BackTSHA Annual Conventions
Price$3.99Free — better
Rating—4.7 (429 ratings) — better
Positive reviews—66.7% of reviews
Number of ratings—429 — better
Update frequencyEvery 40 monthsEvery 8 months — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.5
Further details — not scored
Size53 MB87 MB
Age rating4+17+
DeveloperBlue Tree Publishing, Inc.TEXAS SPEECH LANGUAGE HEARING ASSOCIATION INC

In-app purchases

None

Vowels Front Back

No in-app purchases

None

TSHA Annual Conventions

No in-app purchases

Questions

Is Vowels Front Back free?
Vowels Front Back costs $3.99, with no in-app purchases.
Is TSHA Annual Conventions free?
TSHA Annual Conventions is free to download, with no in-app purchases.
Do Vowels Front Back or TSHA Annual Conventions have ads?
Neither Vowels Front Back nor TSHA Annual Conventions shows ads.
Which is updated more often, Vowels Front Back or TSHA Annual Conventions?
Vowels Front Back ships an update every 40 months, and TSHA Annual Conventions every 8 months. Most recently, Vowels Front Back was updated on October 29, 2026 and TSHA Annual Conventions on November 3, 2026.

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