Comparison

Vowels Front Back vs TargetTree

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

TargetTree

This app provides interactive word practice for children's speech therapy, featuring clear pictures and engaging games. It allows for tracking progress and offers live remote sessions for therapists and families. A free version is available with limited content, while a Pro version unlocks the full suite of tools.

Highlights
  • Word lists for every English speech sound
  • Over 3,000 kid-friendly pictures
  • Interactive practice games
  • Progress tracking and reports
  • Live two-device remote sessions
  • Printable worksheets
Features
Read full description

TargetTree is speech therapy word practice for kids, built with a speech-language pathologist. Pick a sound, choose initial, medial, or final position, and practice real words with clear pictures, one tap at a time. PRACTICE THE WAY YOUR THERAPIST RECOMMENDS - Word lists for every English speech sound, organized by position and syllable count - Clear, kid-friendly pictures for over 3,000 words - Tap any word to hear it spoken aloud with your device's voice - Isolation and syllable levels for early practice - Minimal pairs for speaking and listening practice MAKE REPETITIONS FEEL LIKE PLAY - A shelf of practice games, from Picture Reveal to Feed the Monster - Rate each attempt as you go; the tally follows the child through words and games TRACK REAL PROGRESS - Review a report of words practiced and accuracy - Word, phrase, and sentence production tags on every rating - Instantly download your report or generate a take home worksheet with words practiced and images WORK TOGETHER, EVEN APART - Live two-device sessions: guide flashcards, games, and pick-the-picture from your screen while the child follows on theirs - Printable, email-ready worksheets for home practice between sessions FREE TO START TargetTree Lite is free: the first ten pictured words in every sound and position, starter games, and two minimal pair contrasts. TargetTree Pro unlocks the whole toolkit, including the full picture library, the complete game shelf, live sessions, session tracking, worksheets, and sound guides. TargetTree is an educational practice tool for families and speech professionals. It is not a substitute for evaluation or treatment by a licensed speech-language pathologist. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.targettree.app/privacy

Screenshots

Vowels Front Back4 screens
TargetTree4 screens

Verdict

The call

The clearest difference is price: TargetTree at Free against Vowels Front Back's $3.99. TargetTree also leads on update cadence (every 4 days vs every 40 months). Vowels Front Back's advantage is in-app purchases (none vs 2) and iOS requirement (11.0 vs 16.4). On 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

TargetTree is free to download; Vowels Front Back costs $3.99 up front. TargetTree sells 2 in-app purchases, starting at $7.99 per month. Vowels Front Back asks for nothing beyond the download.

UpkeepUpdate frequency

Vowels Front Back ships an update every 40 months, TargetTree every 4 days. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
Vowels Front Back versus TargetTree: the parameters behind the verdict, then further details
ParameterVowels Front BackTargetTree
Price$3.99Free — better
Rating—5.0 (14 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—14 — better
Update frequencyEvery 40 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better16.4
Further details — not scored
Size53 MB63 MB
Age rating4+4+
DeveloperBlue Tree Publishing, Inc.Naptime Development

In-app purchases

None

Vowels Front Back

No in-app purchases

2 purchases

TargetTree

Subscriptions2
  • TargetTree Pro Monthly7 Days trial$7.991 Month
  • TargetTree Pro Annual7 Days trial$80.001 Year

Questions

Is Vowels Front Back free?
Vowels Front Back costs $3.99, with no in-app purchases.
Is TargetTree free?
TargetTree is free to download, with in-app purchases available.
Do Vowels Front Back or TargetTree have ads?
Neither Vowels Front Back nor TargetTree shows ads.
Which is updated more often, Vowels Front Back or TargetTree?
Vowels Front Back ships an update every 40 months, and TargetTree every 4 days. Most recently, Vowels Front Back was updated on October 29, 2026 and TargetTree on October 31, 2026.

Other comparisons