Unlearn Math
Free
£0forever
- Unit 1: Addition
- Unit 2: Subtraction
- Today: your daily session
- Streak, reminders and Live Activity
Everything you know about maths is wrong
Do maths the school fast way.
Right to left, carry the one, reach for a calculator. Unlearn it. Learn the short cuts experts use, then train them like an arcade game.
iPhone and iPad · Units 1 and 2 free
School way
≈ 40 s · paper
Unlearned
47 × 53
= 50² − 3²
= 2,500 − 9
2,491
≈ 3 s · in your head
How it works
Drop the habit. Build the instinct.
Every skill runs the same five-step loop. Here is one of them: 34 × 11.
-
01
Unlearn
See the school habit you are about to drop.
-
02
Learn
A 60-second lesson, one step at a time.
-
03
See why
An optional visual proof of why it works.
-
04
Drill
Timed rounds. Fast answers build combos.
-
05
Review
Fading skills come back at the right moment.
Train like a game
Speed is the score.
Every answer is scored. Fast and right beats slow and right.
- ×3
Combos
Fast answers in a row multiply your score.
- ⚡
Lightning
Beat half the target time for a bonus.
- 60
Sprint 60
As many as you can in a minute. Beat your ghost.
- 12
Streaks and puzzles
A streak that grows, and one daily challenge for everyone.
- Lv 1Novice
- Lv 3Counter
- Lv 6Calculator
- Lv 9Lightning
- Lv 14Savant
- Lv 20Human Computer
What you will learn
Short cuts you will use every day.
-
05 · featured
Twin numbers
Same tens, units add to 10.
43 × 474 × 5 = 203 × 7 = 21=2,021 - 01+
Add left to right
Big parts first, then the rest.
47 + 38 = 85 - 02−
Subtract left to right
Tens, then units. No borrowing.
82 − 47 = 35 - 03×25
Times 11, 25, 99
×25 is ÷4, then ×100.
48 × 25 = 1,200 - 045²
Squares ending in 5
n × (n+1), then add 25.
65² = 4,225 - 06%
Percentages
10%, then scale it.
15% of 80 = 12 - 07£
Real life
Tips, discounts, the bill.
20% off £45 = £36
Built for adults
No cartoons. No baby talk.
Straight talk about the habit to drop and the method that replaces it.
- Skip
- Placement test. Skip what you already know.
- 5–15
- Minutes a day. A session fits a coffee break.
- iPad
- Apple Pencil. Work it out on a scratchpad beside the lesson.
Pricing
Units 1 and 2 free. Forever.
Addition and subtraction cost nothing. Upgrade when you want multiplication and beyond.
Premium
Everything free, plus every unit from Unit 3 on: multiplication and beyond.
- Monthly£5.99/month
- Yearly 7 days free£39.99/year
- Lifetime£79.99once
Payment through your Apple Account. Subscriptions renew unless cancelled at least 24 hours before the period ends.
Who is Unlearn Math for?
Adults who want to do maths in their head quickly. A placement test skips what you already know.
How long does it take each day?
Five to fifteen minutes a day.
Is it free?
Units 1 and 2 are free, forever. Premium unlocks Unit 3 onwards. See pricing.
Is this for kids?
No. No cartoons, no baby talk. It is built for adults.
Does it work on iPad?
Yes. On iPad you can work it out with Apple Pencil on a scratchpad beside the lesson.
Is there an Android version?
Not yet. Email hello@unlearnmath.app to hear when it arrives.
What data does it collect?
The app keeps your progress on your device. No analytics, no ads, no tracking. See the privacy policy.
Coming soon to iPhone and iPad
Feels impossible? Try it.
Unlearn the school way. Do it in your head, in about 3 seconds.
Units 1 and 2 free, forever.