Vibrant uses custom base colors. Neutral themes use analogous accents on fixed backgrounds.
Mode
Pure Practice Mode
Hide XP, levels, streaks, daily challenges and rewards. Just you and the maths.
Active — no progression tracking
Reset all data and start fresh
Mental Math Trainer
Configure your test below
❓ Questions
🔢 Type
Sq/Cube rootType the base number
📐 Number range
From
→
To
✖️ Multiplication
From
→
To
💡 Use Focus mode in Feedback settings to practise specific tables
Difficulty
Random 2-digit pairs generated each session within the selected range
± Arithmetic
Difficulty
⏱ Timer
Duration60s
30s60s90s2m3m5m✏️
✏️ Answer
Multiple choicePick from options
Auto-submitSubmit on digit count
Instant feedbackShow result immediately
🎮 Gameplay
Survival3 lives
Error-based repetitionRetry wrong answers
ShuffleRandomise order
🎯 Focus
Focus modePick specific numbers
🎯 Focus numbers
Q 01 of 10
Score: 0
🔥 1
❤️❤️❤️
⚡ Timed Mode0 answered60s
Square
7s
0s
1m
5²
What is the answer?
Enter to check · Backspace to delete
Game Over
💀
Out of lives!
0
0 correct before running out
Test complete
0%
0 of 0 correct
Questions answered
0
— correct · — wrong
0
Correct
0
Wrong
0%
Accuracy
Squares vs Cubes accuracy
Squares
—
Cubes
—
050100
—
Best %
—
Best Streak
—
XP Earned
0
Correct
0
Wrong
⚠️ Struggled with
Answer review
💪You were so close!
Accent Color
#
⭐
Level Up
2
Apprentice
Keep going to reach the next level
🏆
Milestone Unlocked!
First Steps
You answered your first question
Sync your progress
Your progress is saved on this device. Sign in to back it up and keep it safe across devices.
Install Mental Math Trainer?
Install the app for quicker access and a smoother full-screen experience.
Account
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Danger Zone
Reset profile?
This will clear your progress, history, XP, streaks, goals, achievements, weakness data, spaced repetition queue, and app settings.
Your local profile and progress will be cleared.
Progress Sync
Progress found in two places
This device has local progress, and your account already has saved progress. Choose which progress to use.
Careful
Replace account progress?
This will replace your existing account progress with the progress saved on this device. This action may remove or overwrite progress currently saved in your account. Do you want to continue?