# 深大优课 vs PETS圣题库

The clearest difference is in-app purchases: 深大优课 at none against PETS圣题库's 10. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PETS圣题库 sells 10 one-off in-app purchases. 深大优课 asks for nothing beyond the download.

深大优课 ships an update every 3 weeks, PETS圣题库 monthly. The most recent releases landed on October 3, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | 深大优课 | PETS圣题库 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1558090668/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 489 MB | 43 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Uooc Online Education Co.,Ltd](https://appshunter.io/developer/1314783804) | [Sheng Cai E-books (Wuhan) Co., Ltd.](https://appshunter.io/developer/1448965022) |

## What reviewers say

### 深大优课

[App page](https://appshunter.io/ios/app/id1558090668)

**Features:** macOS Compatibility

**In-app purchases:** none


### PETS圣题库

[App page](https://appshunter.io/ios/app/pets/id1567845435)

This app provides a comprehensive question bank for the National English Test (PETS) exams, offering detailed explanations for each question. It supports learning and practice anytime, anywhere, across multiple devices like phones and tablets.

**Highlights:** Comprehensive PETS question bank, Detailed answer explanations, Multiple practice modes, Progress tracking, Keyword search for questions, Automatic错题 (wrong question) collection, Smart personalized question generation

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 圣才月卡VIP会员 | $3.99 | one-time |
| 圣才季卡VIP会员 | $9.99 | one-time |
| 88圣才币 | $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 |
| 168圣才币 | $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 |


## Frequently asked questions

### Is 深大优课 free?

深大优课 is free to download, with no in-app purchases.

### Is PETS圣题库 free?

PETS圣题库 is free to download, with in-app purchases available.

### Do 深大优课 or PETS圣题库 have ads?

Neither 深大优课 nor PETS圣题库 shows ads.

### Which is updated more often, 深大优课 or PETS圣题库?

深大优课 ships an update every 3 weeks, and PETS圣题库 monthly. Most recently, 深大优课 was updated on October 3, 2026 and PETS圣题库 on September 29, 2026.

---

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