# 英语专业自考题库 vs OCTAVE

The clearest difference is in-app purchases: OCTAVE at none against 英语专业自考题库's 10. OCTAVE also leads on update cadence (monthly vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 英语专业自考题库 sells 10 one-off in-app purchases. OCTAVE asks for nothing beyond the download.

英语专业自考题库 ships an update every 4 months, OCTAVE monthly. The most recent releases landed on September 10, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | 英语专业自考题库 | OCTAVE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 87 MB | 45 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Changsha Xisai Liman Education Technology Co., Ltd](https://appshunter.io/developer/1466745593) | [Suzhou IMC Property Development Co., Ltd](https://appshunter.io/developer/1688990756) |

## What reviewers say

### 英语专业自考题库

[App page](https://appshunter.io/ios/app/id1498884587)

**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 |
| 英语(二)考前串讲视频 | $11.99 | one-time |
| 综合英语（二）考前串讲视频 | $11.99 | 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 |


### OCTAVE

[App page](https://appshunter.io/ios/app/octave/id6449422278)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 英语专业自考题库 free?

英语专业自考题库 is free to download, with in-app purchases available.

### Is OCTAVE free?

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

### Do 英语专业自考题库 or OCTAVE have ads?

Neither 英语专业自考题库 nor OCTAVE shows ads.

### Which is updated more often, 英语专业自考题库 or OCTAVE?

英语专业自考题库 ships an update every 4 months, and OCTAVE monthly. Most recently, 英语专业自考题库 was updated on September 10, 2026 and OCTAVE on September 19, 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.*