Vowel Practice vs EMS PRO ONE
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Vowel Practice
Analyze spoken vowels by calculating and plotting their formant frequencies. Speak a word with a single vowel to see its graphical representation on a standard vowel diagram, with an indicator light showing the application's status. Useful for speech therapy, language learning, and research.
- Calculates formant frequencies
- Plots vowel locations on a diagram
- Analyzes spoken vowels
- Indicator light for status
- Assists speech therapy
- Supports language learning
Read full descriptionHide full description
This application calculates and plots the formant frequencies of spoken vowels. The user should speak a word containing a single vowel, and we will analyze and show results. First two formant frequencies are used to graphically show the location of spoken vowel on a standard vowel diagram. An indicator light changes its color to display the status of the application. This is made to assist with speech therapy and language learning as well as other research topics.
EMS PRO ONE
Read full descriptionHide full description
The EMS Pro One is a high-quality home EMS system from Germany, backed by over twelve years of industry experience. It offers a wide range of benefits for fitness and health by using electrical impulses to provide highly effective muscle stimulation for a comprehensive full-body workout. Key features include: - Muscle Activation: EMS enhances maximum muscle strength and endurance by targeting deeper muscle groups often overlooked in traditional training methods. - Body Shaping and Fat Reduction: The application of EMS aids in reducing excess body fat while improving posture, thereby boosting self-confidence and physical presence. - Effective Toning: The electrical impulses stimulate all major muscle groups evenly and intensely, leading to improved muscle definition and body shaping. - Enhanced Physical Performance: Regular EMS training promotes overall fitness and improves athletic performance. - Support in Physiotherapy: EMS can be effectively utilized in physical therapy to aid in injury rehabilitation and alleviate chronic back pain. - Versatile Training Programs: The EMS Pro One offers a selection of training programs that can be individually tailored to the user's needs, providing a customized workout experience. The EMS Pro One is characterized by its user-friendly operation, allowing anyone to benefit from the diverse advantages of training in a short amount of time. It is ideal for fitness enthusiasts, athletes, and anyone looking to sustainably improve their health and well-being.
Screenshots
Verdict
The clearest difference is price: EMS PRO ONE at Free against Vowel Practice's $7.99. EMS PRO ONE also leads on iOS requirement (12 vs 26.0). On update cadence, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
EMS PRO ONE is free to download; Vowel Practice costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Vowel Practice ships an update every 4 months, EMS PRO ONE every 3 months. The most recent releases landed on October 10, 2026 and October 4, 2026 respectively.
| Parameter | Vowel Practice | EMS PRO ONE |
|---|---|---|
| Price | $7.99 | Free โ better |
| Positive reviews | 20.0% of reviews | โ |
| Update frequency | Every 4 months | Every 3 months โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | โ |
| Devices | iPhone, iPad, Mac โ better | iPhone, iPod |
| Requires iOS | 26.0 | 12 โ better |
| Further details โ not scored | ||
| Size | 1 MB | 24 MB |
| Age rating | 4+ | 17+ |
| Developer | William Entriken | Markus Trocha |
In-app purchases
Vowel Practice
No in-app purchases
EMS PRO ONE
No in-app purchases
Questions
Is Vowel Practice free?
Is EMS PRO ONE free?
Do Vowel Practice or EMS PRO ONE have ads?
Which is updated more often, Vowel Practice or EMS PRO ONE?
Other comparisons















