Subtraction Math Master 2 vs Ball Tracing
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Subtraction Math Master 2
This game challenges players to improve their subtraction speed and mental math skills. It features a "LEVEL UP" system that increases difficulty with correct answers and includes leaderboards and achievements for competitive play.
- 2-minute subtraction games
- LEVEL UP difficulty system
- Leaderboards and achievements
- Intuitive user interface
- Share results globally
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• Test and train your subtraction speeds in only 2 minutes a game! • New LEVEL UP system: The more you solve the harder it gets! • Share results with family, friends and the rest of the world. • Leaderboards & Achievements included (Game Center) Features: - The all new LEVEL UP system will challenge you! - Stylish and intuitive user interface - Subtract numbers from as fast as possible - Share scores with family and friends - Challenge everyone on Leaderboards & Earn all Achievements (Game Center) How to play: 1) Subtract numbers together for 2 minutes. 2) For every 8 correct answers, you LEVEL UP and increase the difficulty. Find out who among you is a Subtraction Master!
Ball Tracing
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Trace 3 or more adjacent balls of the same color to erase them. Eliminating the ball will increase your score. Tap the blinking ball to erase all the surrounding balls at once. Eliminate as many balls as possible in 30 seconds.
Screenshots
Verdict
The clearest difference is in-app purchases: Ball Tracing at none against Subtraction Math Master 2's 1. Ball Tracing also leads on update cadence (every 8 months vs every 34 months). Subtraction Math Master 2's advantage is ads (none vs shown) and iOS requirement (8.0 vs 15.0). On price 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. Subtraction Math Master 2 sells 1 one-off in-app purchase. Ball Tracing asks for nothing beyond the download.
Subtraction Math Master 2 ships an update every 34 months, Ball Tracing every 8 months. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.
| Parameter | Subtraction Math Master 2 | Ball Tracing |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 34 months | Every 8 months — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 4 MB | 86 MB |
| Age rating | 4+ | 4+ |
| Developer | Peter Li | Hirokazu Uno |
In-app purchases
Subtraction Math Master 2
- REMOVE ADS (Subtraction 2)$0.99
Ball Tracing
No in-app purchases
Questions
Is Subtraction Math Master 2 free?
Is Ball Tracing free?
Do Subtraction Math Master 2 or Ball Tracing have ads?
Which is updated more often, Subtraction Math Master 2 or Ball Tracing?
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