# 注册岩土工程师圣题库 vs 神笔画画

The clearest difference is in-app purchases: 神笔画画 at none against 注册岩土工程师圣题库's 22. 神笔画画 also leads on update cadence (every 9 days vs monthly) and iOS requirement (11.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. 注册岩土工程师圣题库 sells 22 one-off in-app purchases. 神笔画画 asks for nothing beyond the download.

注册岩土工程师圣题库 ships an update monthly, 神笔画画 every 9 days. The most recent releases landed on October 4, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | 注册岩土工程师圣题库 | 神笔画画 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Size | 34 MB | 273 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sheng Cai E-books (Wuhan) Co., Ltd.](https://appshunter.io/developer/1448965022) | [Shenzhen Ruiyun The New Digital Media Co., LTD](https://appshunter.io/developer/939374366) |

## What reviewers say

### 注册岩土工程师圣题库

[App page](https://appshunter.io/ios/app/id1546951582)

**In-app purchases (22)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 圣才月卡VIP会员 | $3.99 | one-time |
| 250AI币 | $3.99 | one-time |
| 300AI币 | $3.99 | one-time |
| 400AI币 | $5.99 | one-time |
| 500AI币 | $6.99 | one-time |
| 600AI币 | $8.99 | one-time |
| 圣才季卡VIP会员 | $9.99 | one-time |
| 88圣才币 | $12.99 | one-time |
| 880AI币 | $12.99 | one-time |
| 128圣才币 | $19.99 | one-time |
| 圣才半年卡VIP会员 | $19.99 | one-time |
| 圣才考研半年卡VIP会员 | $19.99 | one-time |
| 1280AI币 | $19.99 | one-time |
| 168圣才币 | $24.99 | one-time |
| 1680AI币 | $24.99 | one-time |
| 208圣才币 | $29.99 | one-time |
| 圣才年卡VIP会员 | $29.99 | one-time |
| 圣才考研年卡VIP会员 | $29.99 | one-time |
| 圣才中小学年度VIP会员 | $29.99 | one-time |
| 2080AI币 | $29.99 | one-time |
| 3280AI币 | $49.99 | one-time |
| 圣才中小学年度VIP会员（原价） | $59.99 | one-time |


### 神笔画画

[App page](https://appshunter.io/ios/app/app/id1658289801)

**In-app purchases:** none


## Frequently asked questions

### Is 注册岩土工程师圣题库 free?

注册岩土工程师圣题库 is free to download, with in-app purchases available.

### Is 神笔画画 free?

神笔画画 is free to download, with no in-app purchases.

### Do 注册岩土工程师圣题库 or 神笔画画 have ads?

Neither 注册岩土工程师圣题库 nor 神笔画画 shows ads.

### Which is updated more often, 注册岩土工程师圣题库 or 神笔画画?

注册岩土工程师圣题库 ships an update monthly, and 神笔画画 every 9 days. Most recently, 注册岩土工程师圣题库 was updated on October 4, 2026 and 神笔画画 on October 18, 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.*