Build vs Rainbow Unicorn Math
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).
Rainbow Unicorn Math
Embark on a colorful math adventure with a friendly unicorn. This app offers six engaging levels covering addition, subtraction, multiplication, and division, with adjustable difficulty for a personalized learning experience.
- Six math levels: Addition, Subtraction, Multiplication, Division
- 15 difficulty options
- 15 questions per game
- Star-based scoring system
- Colorful rainbow themes
- Friendly unicorn companion
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Rainbow Unicorn Math makes learning math fun! Join the magical unicorn on a colorful adventure through 6 exciting math levels: • Addition - Master the basics • Subtraction - Build your skills • Add & Subtract - Combine operations • Multiplication - Level up your math • Division - Become a math wizard • More Complex - Ultimate challenge with multi-step problems Features: • 15 difficulty options - from single digits to two-digit numbers • 15 questions per game • Earn 1-5 stars based on your score • Choose your challenge level for each operation • Colorful rainbow themes • Friendly unicorn companion • Perfect for kids learning math Start with single digits (0-9), advance to teens (10-19), then conquer two-digit numbers (20-99)! Get 5 stars by answering all questions correctly! No ads. No in-app purchases. No data collection. Just pure math fun!
Screenshots
Verdict
The clearest difference is rating: Rainbow Unicorn Math at 5.0 against Build's 4.7. Rainbow Unicorn Math also leads on update cadence (every 3 days vs fortnightly). On price, ratings volume, 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.
Rainbow Unicorn Math holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 3 respectively.
Build ships an update fortnightly, Rainbow Unicorn Math every 3 days. The most recent releases landed on October 1, 2026 and September 28, 2026 respectively.
| Parameter | Build | Rainbow Unicorn Math |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 3 | 3 |
| Update frequency | Fortnightly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 1 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Weiran Ye | RONALD HAU-SYANG CHENG |
Customer experience
Build
Rainbow Unicorn Math
In-app purchases
Build
No in-app purchases
Rainbow Unicorn Math
No in-app purchases







