KING OF MATH vs OneMoreCard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KING OF MATH
Master arithmetic operations like addition, subtraction, multiplication, and division with this engaging learning app. It features intuitive handwriting input and adaptive difficulty to suit all ages, making learning fun and effective.
- Addition practice
- Subtraction practice
- Multiplication practice
- Division practice
- Handwriting input
- Adaptive difficulty
- Reward system
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Learn and improve math and arithmetic (+ - × ÷) effectively & fast. Suitable for all ages. All math arithmetic operations (+ - × ÷) * Addition (+) * Subtraction (-) * Multiplication (× including small multiplication tables) * Division (÷) HIGHLIGHTS * Write naturally as on paper We have developed an intuitive handwriting input. * Increasing difficulty Tasks automatically adapt to the children's abilities. * Learning playfully The app motivates with great rewards and a bonus system. WHAT ELSE * No ads. * No personal data. * Fair and transparent. * Developed with teachers and educators.
OneMoreCard
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OneMoreCard is a flashcard app for people who want to learn with structure. Organize your knowledge in nested folders, choose between four study algorithms, write cards by hand with Apple Pencil on iPad, and track your progress in clear statistics — all synced across your devices with iCloud. The starting point. Most flashcard apps treat you either like a child who needs points and trophies to stay engaged, or like an engineer who should be happy digging through endless settings. OneMoreCard takes your learning seriously without making it harder than it needs to be. Order that thinks with you. Create folders, nest them into subfolders, and spread your decks exactly the way your curriculum, your degree, or your project actually works. Every folder shows you, at a glance, how many cards are due and how far you've come — with a progress ring right on the tile. Four algorithms, one truth. Some people learn best in a fixed order. Others need randomness so nothing becomes predictable. Others swear by the Leitner system, or by spaced repetition that brings a card back right when you're about to forget it. OneMoreCard doesn't force one method on you — you choose, per deck, what fits how you think, with a plain-language explanation built right into the picker. A card style like your own notebook. Lined paper with a red margin. Squared paper for formulas and diagrams. Dotted paper for anyone who prefers to sketch freely. Or simply blank. OneMoreCard recreates real paper formats — adjustable per card, with its own alignment and bullet points. And if one style really clicks, Settings lets you make it your app icon on the Home Screen — light, dark, or matching the system. Images where words fall short. Anatomy, art history, vocabulary tied to a place or a face — add images to the front and back of any card, exactly where they actually help you learn. Written by hand. On iPad with Apple Pencil (iPadOS 27), write straight onto the card, on the deck's own lined, squared or dotted paper, with pencil, fountain pen, pen, marker or watercolor. Squeeze Apple Pencil Pro to turn the card over. OneMoreCard reads your handwriting right on your device, so you can search it and VoiceOver can read it aloud. Tape over part of your writing to hide it until you peel it off while studying, or answer a card in your own hand and let OneMoreCard check it and suggest a rating. Handwritten cards sync to iPhone, where you study them exactly as you wrote them. Progress you can actually see. No points system, no artificial streak pressuring you forward. Instead, a statistics section that answers the question every learner asks: is this actually working? Cards studied today, your current streak, cards due, cards mastered per deck — plus a 30-day history that makes progress visible instead of just felt. One library. Every device. Your entire structure — folders, decks, cards, statistics — syncs via iCloud between iPhone and iPad. On iPad, OneMoreCard even opens into its own wider layout with a persistent sidebar, instead of just stretching a phone app across a bigger screen. Right on your Home Screen. See what's due today, your current streak, and every study session you've paused — right from your Home Screen, without opening the app. Tap through and pick up exactly where you left off. Grows with you. OneMoreCard starts free, with up to 50 cards. Anyone who needs more can unlock unlimited cards with a single in-app purchase — along with the ability to share complete folders, decks, and cards with friends, classmates, or colleagues.
Screenshots
Verdict
The clearest difference is update cadence: OneMoreCard at every 2 weeks against KING OF MATH's every 5 months. KING OF MATH's advantage is iOS requirement (12.0 vs 26.5). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. KING OF MATH sells 5 one-off in-app purchases and OneMoreCard sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
KING OF MATH ships an update every 5 months, OneMoreCard every 2 weeks. Both last shipped on October 25, 2026.
| Parameter | KING OF MATH | OneMoreCard |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (1.3K ratings) — better | — |
| Positive reviews | 44.1% of reviews | — |
| Number of ratings | 1.3K — better | — |
| Update frequency | Every 5 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 26.5 |
| Further details — not scored | ||
| Size | 102 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | wonderkind GmbH | ser.soft GmbH |
Bugs and requests
KING OF MATH
Reported bugs
3 issues- Doesn't recognize simple numbers like 4 and 9
- Accepts wrong answers as correct
- Slow response time on some devices
Requested features
4 requests- Allow keyboard input or numeric keypad
- Calibration option for handwriting recognition
- Difficulty levels for different age groups
- More advanced math operations like multiplication and division
OneMoreCard
Not enough reviews yet to summarise bugs or requests.
In-app purchases
KING OF MATH
- Subtraction Deck$1.99
- Large multiplication tables$1.99
- Small multiplication tables$1.99
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- Division$1.99
- Full Version Bundle$4.99
OneMoreCard
- Deck Sharing & Import$2.99
- Unlimited Cards$3.99
Questions
Is KING OF MATH free?
Is OneMoreCard free?
Do KING OF MATH or OneMoreCard have ads?
Which is updated more often, KING OF MATH or OneMoreCard?
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