Comparison

Build vs Rainbow Unicorn Math

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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).

About

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.

Highlights
  • Six math levels: Addition, Subtraction, Multiplication, Division
  • 15 difficulty options
  • 15 questions per game
  • Star-based scoring system
  • Colorful rainbow themes
  • Friendly unicorn companion
Features
Read full description

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

Build2 screens
Rainbow Unicorn Math4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
Build versus Rainbow Unicorn Math: the parameters behind the verdict, then further details
ParameterBuildRainbow Unicorn Math
PriceFreeFree
Rating4.7 (3 ratings)5.0 (3 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings33
Update frequencyFortnightlyEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.6 — better18.0
Further details — not scored
Size1 MB10 MB
Age rating4+4+
DeveloperWeiran YeRONALD HAU-SYANG CHENG

Customer experience

Build

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Rainbow Unicorn Math

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Build

No in-app purchases

None

Rainbow Unicorn Math

No in-app purchases

Questions

Is Build free?
Build is free to download, with no in-app purchases.
Is Rainbow Unicorn Math free?
Rainbow Unicorn Math is free to download, with no in-app purchases.
Which has better reviews, Build or Rainbow Unicorn Math?
Rainbow Unicorn Math is rated higher. Build averages 4.7 out of 5 from 3 ratings, while Rainbow Unicorn Math averages 5.0 from 3 ratings.
Do Build or Rainbow Unicorn Math have ads?
Neither Build nor Rainbow Unicorn Math shows ads.
Which is updated more often, Build or Rainbow Unicorn Math?
Build ships an update fortnightly, and Rainbow Unicorn Math every 3 days. Most recently, Build was updated on October 1, 2026 and Rainbow Unicorn Math on September 28, 2026.

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