# 救生员题库 vs StudySojourn

The clearest difference is in-app purchases: StudySojourn at none against 救生员题库's 10. StudySojourn also leads on update cadence (every 3 days vs every 4 months). 救生员题库's advantage is iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. 救生员题库 sells 10 one-off in-app purchases. StudySojourn asks for nothing beyond the download.

救生员题库 ships an update every 4 months, StudySojourn every 3 days. The most recent releases landed on October 27, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 救生员题库 | StudySojourn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 days** |
| Size | 88 MB | 63 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Changsha Xisai Liman Education Technology Co., Ltd](https://appshunter.io/developer/1466745593) | [成 黄](https://appshunter.io/developer/6787037004) |

## What reviewers say

### 救生员题库

[App page](https://appshunter.io/ios/app/id1540551228)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1学币 | $0.99 | one-time |
| 10学币 | $0.99 | one-time |
| 40学币 | $5.99 | one-time |
| 50学币 | $6.99 | one-time |
| 三个月题库 | $11.99 | one-time |
| 三个月找答案+题库 | $14.99 | one-time |
| 100学币 | $14.99 | one-time |
| 120学币 | $17.99 | one-time |
| 150学币 | $19.99 | one-time |
| 300学币 | $39.99 | one-time |


### StudySojourn

[App page](https://appshunter.io/ios/app/studysojourn/id6787097198)

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

**In-app purchases:** none


## Frequently asked questions

### Is 救生员题库 free?

救生员题库 is free to download, with in-app purchases available.

### Is StudySojourn free?

StudySojourn is free to download, with no in-app purchases.

### Do 救生员题库 or StudySojourn have ads?

Neither 救生员题库 nor StudySojourn shows ads.

### Which is updated more often, 救生员题库 or StudySojourn?

救生员题库 ships an update every 4 months, and StudySojourn every 3 days. Most recently, 救生员题库 was updated on October 27, 2026 and StudySojourn on October 9, 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.*