Comparison

Fourth Grade Learning Games vs Adder

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

Head to head
About

Fourth Grade Learning Games

This app offers 21 engaging games designed to reinforce fourth-grade curriculum. It covers essential subjects like math, reading, science, and STEM, helping children aged 8-11 master key concepts through interactive play and voice narration.

Highlights
  • Multiplication and division practice
  • Fractions and word problem solving
  • Geometry and angle identification
  • Grammar, spelling, and punctuation
  • Reading comprehension exercises
  • Science and STEM concepts
  • Voice narration for guidance
Features
Read full description

21 fun and educational games to help your child learn 4th Grade lessons! Teach Fourth Grade lessons like multiplication, division, grammar, geometry, vowels, science, STEM, spelling, fractions, reading, remainders, and more. Whether they are just starting fourth Grade, or need to review and master the subjects, this is a perfect learning tool for kids aged 8-11. Math, language, science, STEM, reading, and critical thinking skills are all tested and practiced in these games. All lessons and activities are designed using real fourth grade curriculums, so you can be sure these games will help give your child a boost in the classroom. And with helpful voice narration and exciting games, your 4th grade student won't want to stop playing and learning! Improve your child's homework with these 4th grade teacher approved lessons, including science, STEM, language, and math. These learning games include dozens of important lessons for fourth grade, including: • Fractions - Compare, add, subtract, and multiply fractions • Word Problems - Multi-step word problems using addition, subtraction, multiplication, and division • Angles and Geometry - Use a protractor and learn about different types of angles • Graphs and Grids - Read a variety of graphs and use coordinates to plot points • Patterns - Fill in missing values, identify number growths, and time increments • Remainders - Divide two numbers and then find the remainder • Missing Vowels - Use missing vowels to complete words • Timed Facts - Quickly answer fourth grade math facts to earn footballs to kick • Spelling - Spell hundreds of different words • Punctuation and Grammar - Fix sentences by dragging the correct punctuation • Synonyms and Antonyms - Identify different words that mean the same or opposite • Homophones - Learn about words that sound the same, but have different meanings • Craft & Structure - Identify narration types, use context, and learn text structure • Reading - Practice reading comprehension by reading an article and answering questions • The Earth - Learn about the layers of the Earth, plate tectonics, and volcanoes • Life Science - Label parts of plants and flowers, and discover animals life cycles • Weather - Read weather forecasts, identify clouds, and learn about the weather and our climate • Electricity - Complete circuits, light up bulbs, and understand electrons • Magnets - Learn the basics of magnets, poles, and how they work • Moon Phases - Understand the phases of the moon and how they can affect the Earth • Forms of Energy - Identify different types of kinetic and potential energy Perfect for 4th grade kids and students who need a fun and entertaining educational game to play. This bundle of games helps your child learn important math, grammar, geometry, multiplication, STEM, division, language, science, reading, and problem solving skills used in fourth grade all while having fun! 4th Grade teachers around the world use this app in their classroom to help reinforce math, language, and STEM subjects. Ages: 8, 9, 10, and 11 year old children and students. =================================== PROBLEMS WITH THE GAME? If you are having any issues please email us at help@rosimosi.com and we will get it fixed for you ASAP. LEAVE US A REVIEW! If you're enjoying the game then we'd love for you to leave us a review! Reviews help small developers like us to keep improving the game. =================================== Terms of Use and Privacy Policy: https://www.rosimosi.com/privacy

About

Adder

Features
Read full description

Adder is a native iOS app coded in Swift, designed as a personal project to help students master additions effortlessly. With interactive exercises, customizable practice sessions, and progress tracking, Adder creates an engaging learning experience tailored to individual needs. Its sleek, distraction-free interface and responsive design make it a perfect tool for students, parents, and educators seeking to build strong foundational math skills.

Screenshots

Fourth Grade Learning Games4 screens
Adder4 screens

Verdict

The call

The clearest difference is in-app purchases: Adder at none against Fourth Grade Learning Games's 7. Adder also leads on update cadence (weekly vs every 4 months). Fourth Grade Learning Games's advantage is iOS requirement (11.0 vs 15.6). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Fourth Grade Learning Games sells 5 in-app purchases, starting at $5.99 per month. Adder asks for nothing beyond the download.

UpkeepUpdate frequency

Fourth Grade Learning Games ships an update every 4 months, Adder weekly. The most recent releases landed on October 4, 2026 and September 23, 2026 respectively.

Scorecard3 real differences · 7 level
Fourth Grade Learning Games versus Adder: the parameters behind the verdict, then further details
ParameterFourth Grade Learning GamesAdder
PriceFreeFree
Rating4.2 (13K ratings) — better—
Positive reviews47.2% of reviews—
Number of ratings13K — better—
Update frequencyEvery 4 monthsWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.6
Further details — not scored
Size105 MB0 MB
Age rating4+4+
DeveloperRosiMosi LLCDavid Kelen

Bugs and requests

Fourth Grade Learning Games

Reported bugs

3 issues
  • Fraction racing game issues
  • Spelling game resets progress
  • Freezing and crashing on certain devices

Requested features

4 requests
  • More free games and content
  • Improved difficulty progression
  • Ability to track student progress
  • Addition of social studies and other subjects

Adder

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Fourth Grade Learning Games

Subscriptions4
  • RosiMosi Academy (Monthly)2 variants$5.991 Month
  • RosiMosi Academy (Monthly)3 Days trial$5.991 Month
  • RosiMosi Academy (Yearly)2 variants$39.991 Year
Show 1 more
  • RosiMosi Academy (Yearly)3 Days trial$39.991 Year
One-time1
  • Unlock All Games$4.99
None

Adder

No in-app purchases

Questions

Is Fourth Grade Learning Games free?
Fourth Grade Learning Games is free to download, with in-app purchases available.
Is Adder free?
Adder is free to download, with no in-app purchases.
Do Fourth Grade Learning Games or Adder have ads?
Neither Fourth Grade Learning Games nor Adder shows ads.
Which is updated more often, Fourth Grade Learning Games or Adder?
Fourth Grade Learning Games ships an update every 4 months, and Adder weekly. Most recently, Fourth Grade Learning Games was updated on October 4, 2026 and Adder on September 23, 2026.

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