Comparison

Understanding Math vs NibbyBot

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

Head to head
About

Understanding Math

This app offers interactive games and exercises to help children understand and practice addition and subtraction up to 100. It features multiple user profiles, progress tracking, and a competitive duel mode for engaging learning.

Highlights
  • Unlimited user profiles
  • Track child's achievements
  • Addition and subtraction up to 100
  • Four different game settings
  • Interactive learning methods
  • Duel mode for competition
Features
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ChildrenΒ΄s Technology Review - EDITORS CHOICE FOR EXCELLENCE IN DESIGN: "Teachers take note of this excellent set of classroom friendly math exercises that is coming April 2. Features include unlimited user profiles (children must enter their name) and the ability to track each child's achievements by both quality (accuracy) and quantity, and the ability to see how to add and subtract quantities of up to 100 in 4 different setting." "Innovative, engaging, and fun; finally an app that teaches kids HOW to do math." TeachersWithApps.com "This is another excellent math app by appp media. At Fun Educational Apps, we review many apps devoted to teaching math; Understanding Math- Addition and Subtraction ranks as one of the best of the best. That's why it has earned our latest TOP PICK." FunEducationalApps.com OnSarahsiPad.com: "Understanding Maths - Addition and Subtraction is an ideal app for both home and school. It will be particularly valuable in the lower grades of school and for those children who are moving from concrete to symbolic representations of addition and subtraction. Older children struggling with these concepts will also enjoy using this app as it has an age-appropriate interface" Understanding Math - Addition and Subtraction is the second app in a series of educational apps based on J. Bruner's Learning Theory β€œThree Modes of Representation”. Understand and practise addition and subtraction in 4 games and show your skills in the Duel! Compete against your peers or even parents by setting different levels of difficulty. Addition - Tap with your fingers Solve the problem by touching the display. Example: 3 + 5 Tap with 3 fingers, then with 5. After solving the problem, you can pop the objects by touching them. Please turn the "Multitasking Gestures" on your iPad to OFF in "General Settings", as these will close the app! Common Core Standards: Understand addition Addition Drag down the correct amount of tens and ones. Example 37+8= Drag down 3 tens and 7 ones of one colour and 8 ones of the other colour. See and understand place value: ten "ones" make one "ten". Common Core Standards: Understand place value Understand addition Subtraction Drag down the correct amount of tens and ones. See and understand that ten is a bundle of ten ones See and understand the place value when taking one away from 10 Common Core Standards: Understand place value Understand subtraction Training Solve the problem by writing the solution onto the screen. Help is provided by the iconic representation of the numbers. Common Core Standards: Fluently add and subtract within 20 or 100 using mental strategies Duel Two players compete against each other. Each player can choose his level of difficulty. Tap the sun to start. The first to enter the correct solution will earn a star. Earning 5 stars wins the game. Level 1: ->20, + Level 2: ->20, +, - Level 3: ->100, + Level 4: ->100, +, - Common Core Standards: Fluently add and subtract within 20 or 100 using mental strategies Toolbox Enter your own addition or subtraction equation. Explore the place value. Privacy Policy You don’t have to worry about your child playing independently with appp media apps because we take your child’s privacy and online safety very seriously. Our apps include: β€’ no links to websites outside the app without a gate β€’ no ads β€’ no data collection or tracking β€’ no social media sharing β€’ no in-app purchases For detailed information on our privacy policy, visit www.apppmedia.com ––––––––––––––––––––––––––––––––––––––––––––––––––––– KNOW WHAT'S INSIDE As a MOMs with Apps member, we follow the "Know what's inside" best practices for kids’ apps ––––––––––––––––––––––––––––––––––––––––––––––––––––– At appp media we value your feedback so please email your comments or questions to support@apppmedia.com

About

NibbyBot

Features
Read full description

Your child's first coding adventure ends with something magical: a drawing they made themselves, that comes alive. NibbyBot is a coding-and-drawing adventure for kids ages 5-8. Instead of typing code, children arrange playful picture blocks. Nibby the robot then follows their program step by step β€” moving, turning, switching colors, and stamping shapes β€” until a real drawing appears on the canvas. Then the drawing springs to life as an animation, ready to decorate, save, and show off. WHY KIDS LOVE IT β€’ Code by playing β€” snap together colorful blocks, no reading or typing required β€’ Watch Nibby draw β€” the robot executes every command they placed, line by line β€’ Art that moves β€” finished drawings animate with wiggles, spins, and floats β€’ Make it theirs β€” decorate with stickers, brushes, stamps, and backgrounds β€’ Collect rewards β€” unlock bot skins, stickers, and badges through play, never through chores WHY PARENTS TRUST IT β€’ 100% kid-safe: no ads, no accounts, no chat, no open social features β€’ Works fully offline β€” a real toy, not a streaming service β€’ No dark patterns: no streaks, no energy bars, no leaderboards, no pressure β€’ A protected Parent Zone handles all purchases and settings β€’ Artwork stays on your device and is saved to Photos only when a grown-up asks HOW IT WORKS 1. Pick an adventure β€” 52 levels across 4 themed worlds: Color Path, Magic Brush, Loop Forest, and Animation Factory 2. Arrange the blocks β€” sequence, loops, colors, and stamps teach real coding logic 3. Press play β€” Nibby draws the program, the picture animates, and the decorating begins BEYOND THE LEVELS β€’ Free Coding: an open canvas where kids invent their own programs and drawings β€’ Free Draw: a full drawing studio with pencils, stickers, and backgrounds β€’ Decoration Studio: revisit any finished artwork and keep creating The first 8 adventures are free. Unlock everything with a monthly or yearly subscription, or own it forever with a one-time purchase. Family Sharing supported. Designed for iPad and iPhone. Built for the way 5-8 year olds actually think: one idea per screen, gentle guidance, and a "try again" instead of a "you failed." Download NibbyBot and watch your child code their very first drawing today. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Understanding Math4 screens
NibbyBot4 screens

Verdict

The call

The clearest difference is price: NibbyBot at Free against Understanding Math's $3.99. NibbyBot also leads on update cadence (every 6 days vs every 11 months). Understanding Math's advantage is in-app purchases (none vs 3) and iOS requirement (8.0 vs 17.2). On ads 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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

NibbyBot is free to download; Understanding Math costs $3.99 up front. NibbyBot sells 3 in-app purchases, starting at $3.99 per month. Understanding Math asks for nothing beyond the download.

UpkeepUpdate frequency

Understanding Math ships an update every 11 months, NibbyBot every 6 days. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

Scorecard4 real differences Β· 4 level
Understanding Math versus NibbyBot: the parameters behind the verdict, then further details
ParameterUnderstanding MathNibbyBot
Price$3.99Free β€” better
Positive reviews78.6% of reviewsβ€”
Update frequencyEvery 11 monthsEvery 6 days β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
MonetizationPaidβ€”
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS8.0 β€” better17.2
Further details β€” not scored
Size37 MB21 MB
Age rating4+4+
Developerappp media UG音 卒

In-app purchases

None

Understanding Math

No in-app purchases

3 purchases

NibbyBot

Subscriptions2
  • NibbyBot Pro Monthly3 Days trial$3.991 Month
  • NibbyBot Pro Yearly3 Days trial$19.991 Year
One-time1
  • NibbyBot Pro Lifetime$39.99

Questions

Is Understanding Math free?
Understanding Math costs $3.99, with no in-app purchases.
Is NibbyBot free?
NibbyBot is free to download, with in-app purchases available.
Do Understanding Math or NibbyBot have ads?
Neither Understanding Math nor NibbyBot shows ads.
Which is updated more often, Understanding Math or NibbyBot?
Understanding Math ships an update every 11 months, and NibbyBot every 6 days. Most recently, Understanding Math was updated on October 10, 2026 and NibbyBot on October 6, 2026.

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