# 智易智慧住 vs Mental arithmetic quiz

The clearest difference is ads: Mental arithmetic quiz at none against 智易智慧住's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

智易智慧住 ships an update every 5 days, Mental arithmetic quiz every 8 days. The most recent releases landed on October 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 智易智慧住 | Mental arithmetic quiz |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 8 days |
| Size | 49 MB | 38 MB |
| Requires iOS | **12.0** | 12.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kentian Chengdu Information Technology Co., Ltd.](https://appshunter.io/developer/1559151301) | [LiRen Sun](https://appshunter.io/developer/1649265349) |

## What reviewers say

### 智易智慧住

[App page](https://appshunter.io/ios/app/id1658673552)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mental arithmetic quiz

[App page](https://appshunter.io/ios/app/mental-arithmetic-quiz/id6443785734)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 智易智慧住 free?

智易智慧住 is free to download, with no in-app purchases.

### Is Mental arithmetic quiz free?

Mental arithmetic quiz is free to download, with no in-app purchases.

### Do 智易智慧住 or Mental arithmetic quiz have ads?

智易智慧住 shows ads; Mental arithmetic quiz does not.

### Which is updated more often, 智易智慧住 or Mental arithmetic quiz?

智易智慧住 ships an update every 5 days, and Mental arithmetic quiz every 8 days. Most recently, 智易智慧住 was updated on October 3, 2026 and Mental arithmetic quiz on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*