by Arkadiusz Holko
Outread
Outread is a speed reading app for iPhone, iPad and Mac by Arkadiusz Holko, for reading web articles and pasted text in small chunks, with exercises and a reading speed test.
Runs on iPhone · iPad · Mac
Numbio
Numbio is a mental math app for iPhone by Peter Schmidt, for practising arithmetic, times tables and number tricks in short sessions, with difficulty that adapts as you get faster.
- Learning
- Runs on iPhone
- Price Free plan
Checked by CookiesForAI on : store page or website saved and every fact on this page checked against the saved copy.
What Numbio does
Numbio drills addition, subtraction, multiplication and division with difficulty from easy to extreme, and offers a 60-second speed test or a full training plan.
Pro adds times tables, word problems, fractions, percentages, square roots and other number types, plus step-by-step mental math tricks with a matching drill for each.
It tracks streaks, speed and accuracy, has number games such as Sudoku and Magic Square with Game Center leaderboards, and syncs progress across devices.
Who Numbio suits
- Students practising times tables and arithmetic
- People preparing for interviews that test fast mental math
One limit. The App Store version is for iPhone only and needs iOS 26 or later.
What Numbio costs
Core arithmetic practice is free; Numbio Pro, sold in the app monthly, yearly or for life, unlocks the other exercise types, custom plans and the For You feed.
Current prices: apps.apple.com . We do not list prices: makers change them, so check the maker's own page before you buy.
How Numbio got on this page
Listed by CookiesForAI from public pages: we saved Numbio's store page or website and checked the facts on this page against the saved copies on . The maker did not pay and was not asked.
Pages we saved: apps.apple.com, numbio.com. Independent by our checks on (how we decide).
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