Sound Drawing vs Practice2Master Abacus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sound Drawing
This educational app creates sound effects as children draw on their screens. It's designed to be simple and engaging for young users, offering a fun way to explore creativity and auditory feedback.
- Sound effects on drawing
- Simple interface
- Designed for young children
- Creative exploration
- Auditory feedback
Read full descriptionHide full description
A sound effect sounds when drawing. This is a simple application, so young child can enjoy it.
Practice2Master Abacus
Read full descriptionHide full description
An abacus is a tool used to perform mathematical calculations and is widely accepted as a helpful learning aid for students. However, the learning curve can be challenging not only for many students but also for teachers and parents. Practice2Master Abacus helps address this learning difficulty by making abacus learning an interactive experience. This app allows students to take lessons, practice skills, and monitor their progress by completing quizzes and drills, all at their own pace. The Practice2Master Abacus app can be used as a supplement to classroom instructions in which teachers can assign practice tasks or drills to students. It may also be used as a self-learning tool that includes systematic instructions and practice to help students start from the basics and become proficient abacus users. Not only is this app a great tool for students, but it can also be used as a reliable reference for teachers and parents who need to refresh themselves on abacus calculations. Features/Benefits: • Twenty-two progressively ordered short lessons on how to use an abacus to do addition, subtraction, multiplication, and division • Abacus operations that are explained in great details using purposefully chosen examples • Patterns of hand and finger movements that take into consideration the learning characteristics of young students and students with visual impairments • Full compatibility with screen readers; high-contrast colors and large print letters and numbers • The ability to practice what you learned in lessons using app-created problems or problems created by your teachers • Dynamic assistance from the app during practice • Progress monitoring through lesson quizzes and drills • Quiz or drill reports for personal reference or to send to teachers • Customized problem lists that teachers can create and send to students for practice or drill. • On-screen abacus for calculation operations
Screenshots
Verdict
The clearest difference is in-app purchases: Practice2Master Abacus at none against Sound Drawing's 1. Sound Drawing's advantage is update cadence (every 2 weeks vs every 4 months) and iOS requirement (9.0 vs 14.0). On price, 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
Both are free to download. Sound Drawing sells 1 one-off in-app purchase. Practice2Master Abacus asks for nothing beyond the download.
Sound Drawing ships an update every 2 weeks, Practice2Master Abacus every 4 months. The most recent releases landed on June 5, 2026 and September 12, 2026 respectively.
| Parameter | Sound Drawing | Practice2Master Abacus |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (6 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 2 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 21 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Yutaka Tsuge | American Printing House for the Blind (APH) |
In-app purchases
Sound Drawing
- Remove Ad$0.99
Practice2Master Abacus
No in-app purchases







