Comparison

Classroom PDF vs 4th Grade Math School Edition

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

Head to head
About

Classroom PDF

This app helps educators annotate and grade PDF documents, worksheets, and slide decks directly on their iPad. It features tools for drawing, pointing, zooming, and wirelessly projecting content to a classroom projector. Organize and share annotated files with students or export them to other apps.

Highlights
  • Annotate PDFs and slides
  • Grade worksheets
  • Toggle answer covers
  • Wireless projection via AirPlay
  • Draw, point, and zoom tools
  • Organize files with categories
  • Share annotated files
Features
Read full description

Classroom PDF is designed with unique features to fit your teaching workflow. Use it to grade worksheets and walk-through answers in class. DESIGNED FOR TEACHERS There are lots of PDF apps out there, but Classroom PDF was designed specifically for classroom use. It has special features to make walking through worksheets and in-class quizzes easier. OPEN PDF FILES AND EXPORTED SLIDE DECKS Open any PDF file from other Apps (“open in…" from Dropbox etc.). You can even export PDFs directly from Keynote. ADD COVERS AND TOGGLE WITH A TAP Add covers over answers to questions, and tap to toggle them. Great for in-class quizzes or to enhance class participation. PROJECT WIRELESSLY VIA AIRPLAY Use an AppleTV or physical connector to mirror the iPad's screen to a projector. Walk around the class, and work 1:1 with students. DRAW, POINT, AND ZOOM Annotate documents with smooth ink. Write in answers or grade worksheets. Use the virtual laser-pointer to call out parts of the page. SHARE ANNOTATED FILES Email annotated or graded files to students. You can also export PDFs to 3rd party Apps such as Dropbox. STORE AND ORGANIZE ALL YOUR FILES Keep all your PDF files neatly organized with color coded categories. WE BUILD TOOLS FOR PEOPLE WHO CHANGE THE WORLD You guys have an important job, and it matters to us that you find our Apps helpful in your work. We work really hard to make sure we create the best tools possible, but we also realize that everyone's workflow is slightly different. If you have any thoughts on other features or capabilities you would find useful in your daily work, please do let us know. Your input helps us prioritize our schedules. You can reach us via the feedback page. Thanks for doing the work that you do. We hope that you find Classroom PDF helpful in its small way. Warm regards, - The App Makers @ Qrayon.

About

4th Grade Math School Edition

Features
Read full description

SCHOOL EDITION IMPORTANT: This is essentially the same as Math Galaxy 4th Grade Math, but specifically for schools using the volume purchase program or that cannot make in-app purchases. Do not purchase this app if you've already purchased Math Galaxy 4th Grade Math. 4th Grade Math School Edition covers all common core standards for 4th grade math with fun, entertaining animations to keep your students engaged. Score reports are provided and supports Apple Schoolwork. The app does not collect, retain, or share personal information and contains no advertising or third-party analytics. Preview on YouTube: https://www.youtube.com/watch?v=XF3DZGafi5I “These apps are a favorite in my house.” "I love all of the Math Galaxy apps for their ease of use." See the rest of the review at: https://web.archive.org/web/20180129020131/http://www.smartappsforkids.com/2017/12/review-4th-grade-math-common-core-from-math-galaxy-is-another-top-pick-.html In 4th grade math the emphasis is on multi-digit multiplication and division, developing an understanding of fractions and decimals, plus developing fluency in addition and subtraction. Math Galaxy’s Fourth Grade Math covers all of the Common Core math standards for fourth grade as listed below. The concepts are presented in bite-size pieces with an unlimited supply of problems. Illustrations are used throughout to reinforce the concepts. NUMBERS AND OPERATIONS IN BASE 10 (4.NBT) Generalize place value understanding for multi-digit whole numbers. Use place value to perform multi-digit arithmetic. Flashcards. (4.NBT) Place Value (4.NBT.2) Place Value Blocks (4.NBT.1) Place Names Expanded Notation Comparing Numbers Ordering Numbers Rounding & Estimating (4.NBT.3) Adding Whole Numbers (4.NBT.4) 3-4-Digit Addition (traditional) Alternative Method - Partial Sums Subtracting Whole Numbers (4.NBT.4) 3-4-Digit Subtraction Multiplying Whole Numbers (4.NBT.5) 1-Digit x 2, 3, or 4-Digits 2-Digit x 2-Digit Mult & Div by 10's Dividing Whole Numbers (4.MBT.6) Relating Division to Multiplication 1-Digit Divisor, 2-4-Digit Dividend Zero’s in Quotient Missing Number OPERATIONS AND ALGEBRAIC THINKING (4.OA) Use the four operations with whole numbers to solve problems. Gain familiarity with factors and multiples. Multiplicative Comparison (4.OA.1, 2) Word Problems (2) Multi-Step Word Problems (3) Factors & Prime Numbers (4) Patterns (5) NUMBER AND OPERATIONS - FRACTIONS (4.NF) Extend understanding of fraction equivalence and ordering. Understand decimal notation for fractions and compare decimal fractions. Identifying Fractions (4.NF.1) Fractions on # Line (1) Part of a Group (1) Equivalent Fractions (1) Comparing Fractions (2) Reducing & Improper Fractions (3a) Adding & Subtracting Like Fractions (3b) Multiplying Fractions (4) Fractions Word Problems (3c, 4c) Writing Decimals (6) Decimals on # Line (6) Comparing Decimals (7) Ordering Decimals (7) Adding 10ths and 100ths (5) MEASUREMENT AND DATA (4.MD) Solve problems involving measurement and conversion of measurements. Measurement Conversions (4.MD.1,2) Length (1,2) Area & Perimeter (1-3) Volume (1,2) Liquid Volume (1,2) Graphs (4) Mass (in Riddles game) (1,2) Time (in Riddles game) (1,2) Angles (5-7) GEOMETRY (4.G) Draw and identify lines and angles, and classify shapes. Terminology (4.G.1-3) Measuring Angles Angles Games Labyrinth (a maze game) The Money Trail Bridge the Swamp Snakes and Ladders Measurement Riddles

Screenshots

4th Grade Math School Edition4 screens

Verdict

The call

The clearest difference is in-app purchases: 4th Grade Math School Edition at none against Classroom PDF's 2. 4th Grade Math School Edition also leads on device support (3 vs 1). Classroom PDF's advantage is update cadence (every 4 months vs every 15 months) and price ($9.99 vs $12.99). On ads and iOS requirement 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

Classroom PDF costs $9.99 and 4th Grade Math School Edition $12.99 up front. Classroom PDF sells 2 one-off in-app purchases. 4th Grade Math School Edition asks for nothing beyond the download.

UpkeepUpdate frequency

Classroom PDF ships an update every 4 months, 4th Grade Math School Edition every 15 months. The most recent releases landed on June 7, 2026 and September 15, 2026 respectively.

Scorecard4 real differences · 6 level
Classroom PDF versus 4th Grade Math School Edition: the parameters behind the verdict, then further details
ParameterClassroom PDF4th Grade Math School Edition
Price$9.99 — better$12.99
Rating4.5 (15 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings15 — better—
Update frequencyEvery 4 months — betterEvery 15 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaid—
DevicesiPadiPhone, iPad, iPod — better
Requires iOS15.614.0 — better
Further details — not scored
Size3 MB371 MB
Age rating4+4+
DeveloperQrayon, LLCMath Galaxy

In-app purchases

2 purchases

Classroom PDF

One-time2
  • Standard PurchaseFree
  • Bonus PurchaseFree
None

4th Grade Math School Edition

No in-app purchases

Questions

Is Classroom PDF free?
Classroom PDF costs $9.99, and also offers in-app purchases.
Is 4th Grade Math School Edition free?
4th Grade Math School Edition costs $12.99, with no in-app purchases.
Do Classroom PDF or 4th Grade Math School Edition have ads?
Neither Classroom PDF nor 4th Grade Math School Edition shows ads.
Which is updated more often, Classroom PDF or 4th Grade Math School Edition?
Classroom PDF ships an update every 4 months, and 4th Grade Math School Edition every 15 months. Most recently, Classroom PDF was updated on June 7, 2026 and 4th Grade Math School Edition on September 15, 2026.

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