MathFlash vs KiddoJoy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MathFlash
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Master mathematics from Grade 9 to University with MathFlash — the offline-first flashcard app that uses spaced repetition to help you remember formulas, solve problems, and ace your exams. SMART STUDY, NOT HARD STUDY MathFlash uses the proven SM-2 spaced repetition algorithm to show you cards at the perfect time. Cards you know well appear less often. Cards you struggle with come back sooner. The result: you learn faster and forget less. 1,939 FLASHCARDS ACROSS 7 TIERS • Foundation (Grade 9–10): Algebra, Geometry, Probability, Sets, Logic • Intermediate (Grade 11–12): Trigonometry, Sequences, Logarithms, Statistics • Advanced (Pre-University): Calculus, Vectors, Complex Numbers, Matrices • University: PDEs, Fourier Series, Abstract Algebra, Measure Theory • Programmer's Math: Boolean Algebra, Graph Theory, Automata, Combinatorics • Algorithms & Complexity: Big-O, Dynamic Programming, P vs NP • Applied Engineering: Laplace Transforms, Control Systems, Numerical Methods 34 INTERNATIONAL EXAM CURRICULA Each exam shows only the topics relevant to your syllabus: • Ethiopian National Exam (Grade 10 & 12) • GCSE & A-Level Mathematics (UK) • CBSE Class 9–12 (India) • SAT / ACT Math (US) • IB Mathematics SL & HL • KCSE & O-Level (East Africa) • JEE Main, GRE, GMAT & more STUDY YOUR WAY • Study Now — one tap to review all due cards across every subject • Favorites — heart any card and study your saved collection • Daily Challenge — 3 random cards daily with XP streak bonus • Tags — organize cards as "Review Again", "Exam Week", "Weak Area" • Scratch Pad — draw and work out problems right on the card BEAUTIFUL MATH RENDERING LaTeX formulas rendered as clean, readable mathematics. Fractions, square roots, matrices, Greek letters, and hundreds of mathematical symbols displayed beautifully on every card. TRACK YOUR PROGRESS • XP system with 8 levels from Arithmetic Apprentice to Math Legend • Daily streaks and achievement badges • Retention rate and weak area identification • 7-day forecast of upcoming due cards • Progress percentage on every tier, exam, subject, and deck WORKS 100% OFFLINE All 1,939 cards are bundled in the app. No internet required to study. Your progress syncs to the cloud when you're online so you never lose your data. PERSONALIZE EVERYTHING • Light, Dark, or System theme • Adjustable font size for formulas • Card flip animation (flip, slide, fade, or none) • Color blind mode • Haptic feedback, screen wake lock, shuffle mode • Daily goal and reminder notifications Built for students in Ethiopia, East Africa, and around the world. Study anywhere, anytime — even without internet.
KiddoJoy
This app offers a variety of engaging activities for children to learn and explore. It features games focused on animals, puzzles, music creation, and early math and literacy skills. Children can also express their creativity through coloring and drawing.
- Animal matching and puzzles
- Letter tracing and number practice
- Creative coloring and drawing
- Musical instrument exploration
- Early math skills (counting, addition)
- Daily routines and habits learning
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Make learning a little more joyful with KiddoJoy! Explore a colorful world of animals, puzzles, music, and creativity. KiddoJoy brings playful learning activities together in one place, giving curious kids plenty of ways to discover, practice, and create. PLAY & EXPLORE • Match animals to their outlines and pair faces with bodies. • Put together animal and picture puzzles. • Spot differences and pop colorful balloons. • Discover animal homes, baby animals, and weather. LEARN THROUGH PLAY • Practice uppercase and lowercase letter tracing with guided strokes. • Explore picture flashcards covering animals, food, nature, colors, and more. • Match shapes and complete picture halves. • Practice counting, number comparisons, addition, subtraction, multiplication, and division. CREATE & MAKE MUSIC • Bring pictures to life with coloring activities. • Draw freely with different tools, colors, and brush sizes. • Explore piano, xylophone, drums, guitar, and tabla. DISCOVER EVERYDAY SKILLS • Explore daily routines and healthy habits. • Learn about kindness and feelings through simple quizzes. • Enjoy narrated questions, gentle feedback, and opportunities to try again. From solving a puzzle to playing a tune, kiddoJoy makes room for little discoveries every day. Privacy Policy: https://digitalhole.github.io/DHPrivacy.html Standard Apple Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is iOS requirement: MathFlash at 14.0 against KiddoJoy's 17.0. 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | MathFlash | KiddoJoy |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | — | Every 9 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 71 MB | 265 MB |
| Age rating | +4 | 4+ |
| Developer | Haileslassie Lilay Desalegn | Arima Jain |
In-app purchases
MathFlash
No in-app purchases
KiddoJoy
No in-app purchases









