Calculator Quest vs Math Defender
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Calculator Quest
This app merges a functional calculator with role-playing game elements. It offers a "Calc mode" for standard calculations, a fast-typing number game, and a mental arithmetic challenge.
- Standard calculator functionality
- Fast-typing number game
- Mental arithmetic time attack
- RPG elements
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A calculator and an RPG combine to form a miraculous hybrid! Includes bonus quick-typing game and math game! ※Rest assured, this app also works as a calculator. - Use for regular calculator operations! Calc mode! - Type the numbers and symbols as fast as you can! Quickdraw Colosseum! - Try your hand at the “mental arithmetic” time attack mode in Mental Math Kingdom!
Math Defender
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Math × Magic × Defense! Monsters are marching toward the castle! As the castle’s guardian mage, your only weapon is — math! A fast-paced math defense game that combines addition, subtraction, multiplication, and division with real-time decision making. Answer correctly to cast spells and defeat monsters; hesitate for even a moment, and the monsters move one step closer to the castle! How long can you survive? How fast can you calculate? Push your limits, break your high score, and become the ultimate Math Mage! Features adjustable difficulty settings, making it suitable for players of different skill levels to train both calculation ability and reaction speed.
Screenshots
Verdict
The clearest difference is update cadence: Math Defender at weekly against Calculator Quest's every 4 months. Math Defender also leads on iOS requirement (13.0 vs 15.0). 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.
Calculator Quest ships an update every 4 months, Math Defender weekly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.
| Parameter | Calculator Quest | Math Defender |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (14 ratings) — better | — |
| Positive reviews | 72.3% of reviews | — |
| Number of ratings | 14 — better | — |
| Update frequency | Every 4 months | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 143 MB |
| Age rating | 4+ | 4+ |
| Developer | Masakazu Yonehara | LUN SHIH WANG |
Bugs and requests
Calculator Quest
Reported bugs
4 issues- App crashes immediately after killing monsters
- Ads showing up on the top blocking off numbers
- App needs to be updated for iOS 11
- Can't use on new iPhone
Requested features
13 requests- Pay to remove ads option
- Offline play option
- More games to play
- Increase calculation level
- Add different calculation types (add, subtract, multiply, divide)
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- Add maps and companions for RPG elements
- Make game the main focus, not calculator
- Add hidden command games
- More gameplay features
- Enhance calculation function
- Make questions harder with progression
- Add items like skipping problems
- Update for newer iOS versions
Math Defender
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calculator Quest
No in-app purchases
Math Defender
No in-app purchases
Questions
Is Calculator Quest free?
Is Math Defender free?
Do Calculator Quest or Math Defender have ads?
Which is updated more often, Calculator Quest or Math Defender?
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