Just Math vs Math Castle
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Just Math
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Master math facts and boost your mental math skills with Mental Math Card Game! Designed for kids, this engaging app turns learning addition, subtraction, multiplication, and division into an exciting challenge. Practice essential arithmetic with interactive flashcards, solve problems in column or linear formats, and conquer open sentences where you find the missing numbers. Perfect for daily drills, homework help, and building confidence in math. Make mental math fun and easy! Key Features: • Customizable Number Ranges: Tailor the difficulty to your child's skill level by selecting specific number ranges for the first and second numbers in problems. • Multiple Choice Answers: Reinforce learning with a classic multiple-choice format, making it easy for beginners to select the correct answer. • Diverse Problem Formats: • Column Problems: Practice vertical addition and subtraction with a familiar column layout. • Linear Problems: Solve equations presented horizontally for a straightforward challenge. • Open Linear Problems: Develop problem-solving skills by finding the missing number in equations like _ + 5 = 10. • All Four Basic Operations: Master addition, subtraction, multiplication, and division with dedicated practice sessions. • Kid-Friendly Interface: Engaging design and easy navigation ensure a fun and frustration-free learning experience for children. • Generate and print math worksheets. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://mentalmathgame.pages.dev/privacy-policy.html
Math Castle
Master foundational and derived math facts through a multi-sensory approach. Practice addition, subtraction, multiplication, and division with customizable settings and unlock new levels as you progress. Create personalized printable practice sheets.
- Multi-sensory learning (see, hear, write)
- Master foundational and derived facts
- Addition, subtraction, multiplication, division
- Missing addend/factor settings
- Unlockable castle levels
- Customizable printable PDFs
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Conquer your math facts through a powerful multi-sensory approach—see them, hear them, and write your answers directly on the screen. Unlock castle doors as you progress, mastering foundational facts before advancing to derived facts. Take command of your learning by creating your own printable PDFs, following a flexible, personalized, and developmentally appropriate path to fluency. Crown yourself victorious in addition, subtraction, multiplication, and division using missing addend and missing factor settings. Math Castle is thoughtfully designed by a university math methods professor, grounded in research, and centered on students. Start playing today—every step brings you closer to fact mastery!
Screenshots
Verdict
The clearest difference is update cadence: Just Math at daily against Math Castle's every 3 days. On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Just Math ships an update daily, Math Castle every 3 days. The most recent releases landed on June 5, 2026 and September 7, 2026 respectively.
| Parameter | Just Math | Math Castle |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Daily — better | Every 3 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 66 MB |
| Age rating | 4+ | 4+ |
| Developer | Tim Chen | Turner Logic |
In-app purchases
Just Math
No in-app purchases
Math Castle
No in-app purchases





