Arithmetic Review vs COMath
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Arithmetic Review
Prepare for the GRE with over 450 practice questions covering arithmetic topics. Get instant feedback, detailed explanations, and track your progress with visual tools to ensure you're ready for test day.
- 450+ practice questions
- Detailed explanations
- Instant feedback
- Progress tracking with charts
- Topic-specific review
- Mock tests
Read full descriptionHide full description
Prepare to achieve the GRE scores you need to get into your top choice schools. Get ready for the test day with this most comprehensive app on GRE Math : Arithmetic Review. Features include: * HIGHEST QUALITY and QUANTITY Over 460 questions and 46 revision notes in all just for Arithmetic Review. High quality content written by experienced GRE tutors. * MOCK TEST Mixed questions from all topics. * INSTANT FEEDBACK Know instantly if your answer was right or wrong. * REVIEW WITH EXPLANATION Review each question at the end of the test. Know the right answer with detailed explanation for each question. * PROGRESS METER With our unique progress tracking feature including pie charts and bar graphs showing your progress, you know you are ready to take on the real test at the board when your progress meter says 100%. * REVISE BY TOPIC 1. Basic Number and Arithmetic Using Integer Properties Negative Numbers Addition and Subtraction with Negative Numbers Multiplying and Dividing with Negative Numbers Multiplication and Division Problems Adding and Subtraction Decimals Decimals - Multiplication and Division 1 Decimals - Multiplication and Division 2 Approximation of Roots and Exponents 2. Elementary Number Theory Prime Numbers Real Numbers Reminders Factors Greatest Common Factor Multiples Least Common Multiple 3. Fractions and Decimals Finding a Fraction of a Quantity One Quantity as a Fraction of Another Equivalent Fractions Reducing to Lowest Terms Improper Fractions and Mixed Numbers Multiplying Fractions Dividing Fractions Adding Fractions Subtracting Fractions Fraction Problems in Words Reciprocals Decimal/Fraction Equivalents Fractions and Terminating Decimals Fractions and Repeating Decimals 4. Exponents and Roots Square Roots Squares Roots Exponents of 10 5. Magnitude, Order and Absolute Value Place Value and Ordering Numbers The Number Line Inequalities on Number Lines 6. Ratios, Proportions and Percents Calculating with Ratios Dividing Amounts into Ratios Ratios and Fractions Ratio Problems in Words Percent 1 Percent 2 Equivalent Percents Fractions and Decimals Percent Problems in Words Compound Interest Disclaimer: GRE is a registered trademark of Educational Testing Services(ETS). ETS neither sponsors nor endorses this product or any of its content. * Privacy Policy: http://www.webrichsoftware.com/privacy.html * EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
COMath
This app acts as a personal math tutor, offering support and practice for arithmetic, algebra, and geometry. It provides over 100,000 word problems with step-by-step solutions and an equation solver to help students develop their math skills.
- Personalized math tutoring
- Arithmetic practice (addition, subtraction, multiplication, division)
- Over 100,000 math word problems
- Step-by-step equation solving
- Algebra and geometry support
- Practice without pencils
Read full descriptionHide full description
COMath is a fun math and brain-training app for students and puzzle lovers of all ages. - Practice addition, subtraction, multiplication, and division - Solve 100,000+ math word problems with explanations - Learn algebra step by step with the equation solver - Enjoy number puzzles like Sudoku, Calcudoku, Fillomino, Minesweeper, Calculate 24, and more Practice math, sharpen logic, and enjoy solving challenges anytime, anywhere.
Screenshots
Verdict
The clearest difference is in-app purchases: COMath at none against Arithmetic Review's 1. COMath also leads on update cadence (monthly vs every 8 months) and rating (4.8 vs 4.5). Arithmetic Review's advantage is ads (none vs shown). On price, review sentiment, device support 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
Both are free to download. Arithmetic Review sells 1 one-off in-app purchase. COMath asks for nothing beyond the download.
COMath holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: COMath has 45 ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
Arithmetic Review ships an update every 8 months, COMath monthly. The most recent releases landed on August 27, 2026 and September 21, 2026 respectively.
| Parameter | Arithmetic Review | COMath |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (4 ratings) | 4.8 (45 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 4 | 45 — better |
| Update frequency | Every 8 months | Monthly — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 10 MB | 89 MB |
| Age rating | 4+ | 9+ |
| Developer | Webrich Software Limited | Jianfeng Wu |
Customer experience
Arithmetic Review
COMath
In-app purchases
Arithmetic Review
- Full Version$9.99
COMath
No in-app purchases
Questions
Is Arithmetic Review free?
Is COMath free?
Which has better reviews, Arithmetic Review or COMath?
Do Arithmetic Review or COMath have ads?
Which is updated more often, Arithmetic Review or COMath?
Other comparisons
