Quick mental calculation vs CauseCats
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Quick mental calculation
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Game to enter within a certain period of time the answer of mental arithmetic calculations will appear on the exam. Many times in a row you can do correct? It is a challenge to the rankings!
CauseCats
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The time for Kitty Charity is MEOW! Cats of the internet, you are invited to a furrious face-off! The most pet-friendly catfights possible: By photo voting! Which cat is cuter? Which one is funnier? The best pictures of the week win donations for their favorite animal charity! Rate cat photos all day long! What a CATtastic idea. And how will your own Mr SnuggleMuffin score compared to cats from all over the world? Only one way to find out... Features: - Endless photo voting - CATalogue with a list of the previous winners - CATurday extravaganza! Each week on CATurday we'll draw the weekly winner - Cat shelter; manage your own shelter and take your cats out for a photo shoot - CauseCats helps cats all around the world. Please check our website for more information - Share on social media and get your friends to vote for your cat! Cats unite for the good Cause! ‘Cause…..cats! ;)
Screenshots
Verdict
The clearest difference is ads: CauseCats at none against Quick mental calculation's shown. CauseCats also leads on iOS requirement (8.0 vs 12.0). Quick mental calculation's advantage is update cadence (every 11 days vs every 6 months). On price, 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.
Quick mental calculation ships an update every 11 days, CauseCats every 6 months. The most recent releases landed on September 29, 2026 and October 6, 2026 respectively.
| Parameter | Quick mental calculation | CauseCats |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 11 days — better | Every 6 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 21 MB | 194 MB |
| Age rating | 4+ | 4+ |
| Developer | ERX | Tamalaki |
In-app purchases
Quick mental calculation
No in-app purchases
CauseCats
No in-app purchases
Questions
Is Quick mental calculation free?
Is CauseCats free?
Do Quick mental calculation or CauseCats have ads?
Which is updated more often, Quick mental calculation or CauseCats?
Other comparisons
