Math Note vs MoyamBook
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Math Note
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Math Note β μν μ€λ ₯μ νννκ² λ§λλ νμ΅ μ± Math Noteλ μ΄λ¦°μ΄λΆν° μ²μλ κΉμ§ λ¨κ³λ³λ‘ μνμ νμ΅ν μ μλλ‘ μ€κ³λ κ΅μ‘ μ±μ λλ€. κ°λ μ΄ν΄λΆν° λ¬Έμ νμ΄, λ°λ³΅ νμ΅κΉμ§ 체κ³μ μΈ νμ΅ νκ²½μ μ 곡ν©λλ€. μ£Όμ κΈ°λ₯ β’ μμ€λ³ λ§μΆ€ μν νμ΅ β’ κ°λ μ 리 λ° μμ νμ΄ β’ λ°λ³΅ μ°μ΅μ ν΅ν μ€λ ₯ κ°ν β’ μ§κ΄μ μ΄κ³ μ¬μ©νκΈ° μ¬μ΄ μΈν°νμ΄μ€ β’ μκΈ°μ£Όλ νμ΅μ λλ κ΅¬μ± Math Noteμ ν¨κ» μνμ μ½κ³ μ¬λ―Έμκ² μμν΄λ³΄μΈμ.
MoyamBook
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MoyamBook is a word card app for parents and young children to look through together. Real photos and clear voices β look, listen and say it together. β Word cards with real photos Β· Theme packs such as animals, birds, reptiles and amphibians, and musical instruments Β· Real photos, not drawings Β· When the answer appears, you hear the word spoken Β· Pick one card language: Korean, English, Japanese or Chinese. Cards show only the language you picked β Photos or illustrations, switched in one go In Learning settings, switch the pictures in every word pack between real photos and illustrations at once. Packs without illustrations stay as photos. β My card packs (new) Take a photo (or choose one from your album), type the word, and record your voice β that's a card made just for your family. Β· Up to 20 cards per pack Β· Photos, words and recordings are saved only on your device Β· Premium: up to 10 packs per child. Free: unlock a pack slot with in-app points β Favorites (new) Tap the star on the packs your child loves, then tap "Play favorites" to play only those packs, in order. β Trace letters with a finger In the language packs, children trace letters with a finger: Korean Hangul, the English alphabet, Japanese Hiragana and Katakana, and Chinese characters. β App screens in 4 languages (new) Menus, settings and guidance are available in English, Japanese, Simplified Chinese and Korean. The app follows your device language, and you can change it in Settings βΊ App language. Pack names and categories appear in your app language too. Please note: the in-app how-to guide is shown in Korean. β Peace of mind for parents Β· A 4-digit grown-up PIN is needed to leave your child's learning screen, to buy in the store, and to make your own card packs Β· Your child's learning records stay on your device Β· Downloaded packs work without an internet connection β Free and Premium Β· Try a few cards before you sign up Β· Sign up and everything is open for 7 days Β· The announcer voice and auto-advance are Premium features Contact: master@show4you.xyz
Screenshots
Verdict
The clearest difference is ads: Math Note at none against MoyamBook's shown. MoyamBook's advantage is iOS requirement (16.4 vs 18.2). On price, update cadence, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Math Note ships an update every 4 days, MoyamBook weekly. The most recent releases landed on September 30, 2026 and October 10, 2026 respectively.
| Parameter | Math Note | MoyamBook |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days β better | Weekly |
| Ads | No β better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.2 | 16.4 β better |
| Further details β not scored | ||
| Size | 5 MB | 72 MB |
| Age rating | 4+ | 4+ |
| Developer | Geekiest | HO JIN KIM |
In-app purchases
Math Note
No in-app purchases
MoyamBook
No in-app purchases









