Vowels Central Diphthong vs Statistics Solver
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Vowels Central Diphthong
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The Speech Articulation: Vowels Central/Diphthong 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 central and three diphthong 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. • 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 central and three diphthong vowels of American English. - Central: /a/, /Λ/, /ә/, /ɝ/, /ɚ/ Diphthong: /αυ/, /αɪ/, /כɪ/ • 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 animation included. • Two finger pan of all animations and key animation pages. • Drawing Whiteboard feature: - Drawing: freeform lines in red, blue, green or black hue. Change size by tapping on size panel - Draw and text directly on active animation and video. - Text: Change size by tapping on size panel, 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!
Statistics Solver
This AI-powered tool provides instant, step-by-step solutions to complex statistical problems. It supports photo recognition for input and offers detailed explanations to enhance understanding for students and professionals alike.
- Instant AI-powered problem solving
- Photo recognition for input
- Step-by-step solution explanations
- Comprehensive statistical topic coverage
- Educational tool for students
- Time-saver for professionals
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Unlock the power of statistics with Statistics Solver AI, your ultimate companion for conquering complex statistical problems. Whether you're a student, researcher, or professional, our cutting-edge AI technology is here to revolutionize the way you approach statistics. Key Features: Instant Problem Solving: Simply type in your statistics question or snap a photo of your problem, and watch as our AI generates a detailed, step-by-step solution in seconds. Photo Recognition: No need to type out lengthy equations. Our advanced image recognition technology can interpret handwritten or printed statistical problems from photos. Comprehensive Coverage: From basic descriptive statistics to advanced inferential methods, our AI covers a wide range of topics including hypothesis testing, regression analysis, ANOVA, and more. Detailed Explanations: Each solution comes with a thorough explanation, helping you understand the reasoning behind every step. Educational Tool: Perfect for students looking to check their work or gain a deeper understanding of statistical concepts. Time-Saver for Professionals: Quickly verify calculations or explore alternative approaches to statistical analyses. Regular Updates: Our AI is constantly learning and improving, ensuring you always have access to the latest statistical methods and problem-solving techniques. Whether you're stuck on a homework problem, preparing for an exam, or double-checking your research calculations, Statistics Solver AI is your go-to resource for accurate and insightful statistical solutions. If there are questions, please contact us at support@eastfrisiallc.com Privacy Policy: https://www.eastfrisiallc.com/privacy-aistatistics Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: Statistics Solver at Free against Vowels Central Diphthong's $4.99. Vowels Central Diphthong's advantage is in-app purchases (none vs 5) and iOS requirement (11.0 vs 14.0.0). On update cadence, 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
Statistics Solver is free to download; Vowels Central Diphthong costs $4.99 up front. Statistics Solver sells 5 in-app purchases, starting at $4.99 per 7 days. Vowels Central Diphthong asks for nothing beyond the download.
Vowels Central Diphthong ships an update every 37 months, Statistics Solver every 22 months. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.
| Parameter | Vowels Central Diphthong | Statistics Solver |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | — | 4.4 (71 ratings) — better |
| Positive reviews | — | 77.8% of reviews |
| Number of ratings | — | 71 — better |
| Update frequency | Every 37 months | Every 22 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 14.0.0 |
| Further details — not scored | ||
| Size | 31 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Blue Tree Publishing, Inc. | East Frisia LLC |
In-app purchases
Vowels Central Diphthong
No in-app purchases
Statistics Solver
- Premium - Weekly$4.997 Days
- Premium - Monthly$12.991 Month
- Premium - Yearly Discount$14.991 Year
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- Premium - Yearly3 Days trial$29.991 Year
- Premium - Lifetime$149.99
Questions
Is Vowels Central Diphthong free?
Is Statistics Solver free?
Do Vowels Central Diphthong or Statistics Solver have ads?
Which is updated more often, Vowels Central Diphthong or Statistics Solver?
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