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Free
In-App PurchasesWith Ads
Details
About
Sharpen your number sense with daily mental math exercises. This app offers quick arithmetic practice, practical math tricks, and progress tracking to improve your speed and accuracy in just five minutes a day.
✓Daily arithmetic questions
✓Adaptive difficulty levels
✓Mental math technique cards
✓Progress tracking and reports
✓Streak tracking
✓Offline functionality
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What's New in Sumday
1.3.0
October 24, 2026
Premium now includes Master mode. • One life, every question timed. A hard survival run that starts at level 10 or above. • Keeps its own best score, separate from Challenge. • Challenge mode now shows a time bar on timed (L16) questions. • We may occasionally ask you to rate the app after a great result. You can also rate it anytime from Settings.
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Subscriptions & In-App Purchases
$3.99
Sumday Premium
No ads, all modes, stats & cards. One-time.
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FAQ
What is Sumday?
Sumday is a daily mental math practice app designed for adults. It focuses on improving arithmetic skills through short, focused exercises and practical math tricks.
How does Sumday work?
Each day, you solve a set of 20 arithmetic questions. You can then review your results, learn a new math technique, and return the next day to maintain your progress and streak.
Is Sumday suitable for aptitude tests?
Yes, Sumday is designed for adults preparing for aptitude or job tests that include timed number questions, helping to improve speed and accuracy.
Does Sumday require an account or internet connection?
No, Sumday does not require an account or server connection. Your records are stored locally on your device, and it works in airplane mode.
What are the benefits of the optional premium purchase?
The one-time premium purchase removes ads and unlocks three additional practice modes (estimation, percentages, everyday math), a Challenge mode, detailed statistics, and all technique cards.
Does Sumday have ads?
Yes, the free version of Sumday contains advertisements. These can be removed with a one-time purchase.
What devices is Sumday available on?
Sumday is available for iPhone and iPod devices.
How often is Sumday updated?
The latest version of Sumday is 1.2.0, last updated on October 3, 2026. Updates typically occur to improve features and reliability.
