# 烟花爆竹安全作业题库 vs 优学倍增

The clearest difference is in-app purchases: 优学倍增 at none against 烟花爆竹安全作业题库's 10. 优学倍增 also leads on update cadence (every 2 months vs every 4 months). 烟花爆竹安全作业题库's advantage is iOS requirement (12.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. 烟花爆竹安全作业题库 sells 10 one-off in-app purchases. 优学倍增 asks for nothing beyond the download.

烟花爆竹安全作业题库 ships an update every 4 months, 优学倍增 every 2 months. The most recent releases landed on October 6, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 烟花爆竹安全作业题库 | 优学倍增 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 88 MB | 37 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Changsha Xisai Liman Education Technology Co., Ltd](https://appshunter.io/developer/1466745593) | [上海乐醒教育科技有限公司](https://appshunter.io/developer/1322202255) |

## What reviewers say

### 烟花爆竹安全作业题库

[App page](https://appshunter.io/ios/app/id1525848580)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10学币 | $0.99 | one-time |
| 1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 |


### 优学倍增

[App page](https://appshunter.io/ios/app/id6444923629)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 烟花爆竹安全作业题库 free?

烟花爆竹安全作业题库 is free to download, with in-app purchases available.

### Is 优学倍增 free?

优学倍增 is free to download, with no in-app purchases.

### Do 烟花爆竹安全作业题库 or 优学倍增 have ads?

Neither 烟花爆竹安全作业题库 nor 优学倍增 shows ads.

### Which is updated more often, 烟花爆竹安全作业题库 or 优学倍增?

烟花爆竹安全作业题库 ships an update every 4 months, and 优学倍增 every 2 months. Most recently, 烟花爆竹安全作业题库 was updated on October 6, 2026 and 优学倍增 on October 17, 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.*