Market Math: Mental Calc
Brain Training & Arithmetic
Free · In‑App Purchases
New: Market Games, three fresh games, plus Challenge a Friend across 5 games. Mental math, match-3 and making change, all at a Vietnamese market.
A whole Vietnamese market in your pocket. Add up the bill, count back change, stack the stall and take on your friends, all while your mental math gets quietly sharper.
MENTAL MATH
• Story: start as an apprentice and work your way up to Market King across 6 markets and 150 levels
• Classic: ten bills, four difficulty levels
• Marathon: three lives, and it only gets harder
• Daily Challenge: everyone gets the same puzzle, so climb the leaderboard
MARKET SORT
Match three of a kind, crack open crates and hit your sales target. Unwind in the relaxed afternoon market, or keep going forever in endless mode.
MARKET GAMES
• Make Ten: pair price tags that match or add up to 10
• Sort the Crates: tidy every crate down to one kind of produce
• Cash Counter: count back change before the line gets restless
CHALLENGE A FRIEND
Pick any of 5 games and share a room code or QR. You both get the exact same puzzle, best score wins. No account needed.
REAL PRICES, REAL UNITS
Play in dollars with a US grocery list, or switch to Vietnamese for đồng, local units and a Northern or Southern accent.
AND THERE'S MORE
• 70+ achievements, each one pays out coins
• 6 market themes, from Ben Thanh to the floating market
• Power-ups when you need them: extra time, hints, double score, streak shield
• Fully bilingual, English and Vietnamese
Great for kids practising arithmetic and grown-ups who'd like to stay sharp.
Free to play with ads. Remove them with a one-time purchase.
- Market Games are here: Make Ten, Sort the Crates and Cash Counter.
- Challenge a Friend now covers 5 games. Same puzzle, best score wins.
- Market Sort gets an endless mode with a leaderboard.
- A fresh home screen that gets you playing faster.
The developer, Pham Tran Thai Bao, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Pham Tran Thai Bao
- Size
- 112.4 MB
- Category
- Puzzle
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - iPad
Requires iPadOS 16.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- 500 MathCoins $7.99
- 150 MathCoins $2.99
- Coin Pack 50 $0.99
- Remove Ads $2.99
- Copyright
- © 2026 BaoKB