Build vs Owl Genius
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Build
This app offers short, focused math drills for addition, subtraction, multiplication, and division. It provides instant feedback and tracks progress through engaging sessions designed for quick practice.
- Short, focused math practice sessions
- Master addition, subtraction, multiplication, division
- Instant feedback with haptics, color, and sound
- Smart question rotation for confidence
- Progress tracking and summaries
- Works offline, no ads, no accounts
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Turn 1–5 minutes into real math practice. Build‑A‑Math is a focused drill app for mastering addition, subtraction, multiplication, and division. Tap answers on the large on‑screen keypad, get instant feedback, and watch your progress bar fill as you work. # Why it works - Short, focused sessions (1–5 minutes) keep practice consistent and stress‑free. - Instant feedback with gentle haptics, color, and sound—celebrate correct answers and learn from mistakes. - Smart rotation of questions: a small set of problems stays in play; fast, correct solves are retired so you can move forward confidently. - Results you can feel: a cheerful summary shows Questions tried and Mastered today after each session. # Designed for real life - Pick the operations you want: +, −, ×, ÷. - Auto‑check answers as you type (single‑digit checks instantly; two‑digit checks on the second digit). - Works great in portrait or landscape on iPhone and iPad. - No ads. No accounts. Works offline. Perfect for classroom warm‑ups, brain breaks, and at‑home practice—anytime you have a minute (or five).
Owl Genius
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Owl Genius turns math practice into a magical game your child will WANT to play every day. Become a math hero exploring colorful worlds — a whispering forest, a coral kingdom, a candy land, dino valley, a galaxy station and a wizard's castle. Every correct answer earns stars, unlocks new levels, collects adorable pet companions, and moves the story forward. It feels like a game first and learning second. WHAT'S INSIDE • Story Mode: a continuing adventure across 6 magical worlds with boss battles • Daily Adventures: a brand-new themed adventure every day, plus a library of 50 to play any time. It never runs out! • Quick mini-games: Bubble Pop, Rocket Race, Match Pairs and Number Jump • Challenge Arena: beat-the-clock timed quizzes • A friendly companion mascot, confetti, victory fanfares and level-up celebrations • Collectible pets, daily quests, and streaks that reward coming back MATH THAT GROWS WITH THE LEARNER Difficulty adapts automatically to the learner's age and progress, covering: • Counting, number recognition, shapes and patterns • Addition and subtraction, skip-counting • Multiplication and division, times tables • Fractions, money, telling time • Decimals, percentages, geometry and beginner algebra • Friendly story word problems BUILT FOR EVERY LEARNER • Read-aloud button reads questions out loud, perfect for new and early readers • Available in English, French and German • Big, colorful, touch-friendly buttons; warm and encouraging, never scolding FOR PARENTS • Multiple player profiles, each with their own progress (and an optional secret code) • A parent dashboard (behind a parental gate) shows accuracy, time played, topics mastered and achievements • 100% private: no ads, no tracking, no accounts. All progress stays on your device. Start the adventure today and watch math become a favorite!
Screenshots
Verdict
The clearest difference is iOS requirement: Owl Genius at 13.0 against Build's 17.6. On price, update cadence, ads and in-app purchases 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.
Build ships an update fortnightly, Owl Genius every 3 weeks. The most recent releases landed on June 1, 2026 and September 24, 2026 respectively.
| Parameter | Build | Owl Genius |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Weiran Ye | Amine Kettani |
In-app purchases
Build
No in-app purchases
Owl Genius
No in-app purchases









