SmartxOffice vs Mental arithmetic quiz
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SmartxOffice
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方便您建立安全、隐秘的即时对话空间，无论您在家或外出办公，都可以让您及时收到消息。
Mental arithmetic quiz
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Results: Statistics and display of results based on different users (local user roles), the total number of practice questions + the number of correct questions + the number of errors + the number that will be completed in the future, as well as the stars you have obtained and the achievements you have achieved; Challenge: quick start; addition operation; subtraction operation; multiplication operation; division operation; endless challenge; Question Bank: (Question Bank Settings) Configure configuration settings for various calculations and customize quizzes that suit you;
Screenshots
Verdict
The clearest difference is update cadence: Mental arithmetic quiz at every 8 days against SmartxOffice's every 5 weeks. 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.
SmartxOffice ships an update every 5 weeks, Mental arithmetic quiz every 8 days. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.
| Parameter | SmartxOffice | Mental arithmetic quiz |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 12.1 |
| Further details — not scored | ||
| Size | 87 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Muranda Mio | LiRen Sun |
In-app purchases
SmartxOffice
No in-app purchases
Mental arithmetic quiz
No in-app purchases
