# 注册土木工程师 vs QuickMath

The clearest difference is update cadence: QuickMath at every 4 days against 注册土木工程师's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 注册土木工程师 sells 4 one-off in-app purchases and QuickMath sells 5 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

注册土木工程师 ships an update monthly, QuickMath every 4 days. The most recent releases landed on October 10, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | 注册土木工程师 | QuickMath |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Size | 18 MB | 26 MB |
| Requires iOS | 16.6 | **15** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [海婷 黄](https://appshunter.io/developer/1833119393) | [Hafid Zaini](https://appshunter.io/developer/1062667203) |

## What reviewers say

### 注册土木工程师

[App page](https://appshunter.io/ios/app/id6754228913)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 购买VIP会员1个月 | $4.99 | one-time |
| 购买VIP会员3个月 | $6.99 | one-time |
| 购买VIP会员6个月 | $7.99 | one-time |
| 购买VIP会员12个月 | $9.99 | one-time |


### QuickMath

[App page](https://appshunter.io/ios/app/quickmath-speed-test-practice/id6757782825)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| standalone | $3.99 | per month |
| group1 | $4.99 | per month |
| group2 | $7.99 | per month |
| group3 | $14.99 | per month |
| group4 | $19.99 | per month |


## Frequently asked questions

### Is 注册土木工程师 free?

注册土木工程师 is free to download, with in-app purchases available.

### Is QuickMath free?

QuickMath is free to download, with in-app purchases available.

### Do 注册土木工程师 or QuickMath have ads?

Neither 注册土木工程师 nor QuickMath shows ads.

### Which is updated more often, 注册土木工程师 or QuickMath?

注册土木工程师 ships an update monthly, and QuickMath every 4 days. Most recently, 注册土木工程师 was updated on October 10, 2026 and QuickMath on October 22, 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.*