# 易呗背单词 vs 消毒员考试题库

The clearest difference is in-app purchases: 易呗背单词 at none against 消毒员考试题库's 10. 易呗背单词 also leads on iOS requirement (9.0 vs 12.0). 消毒员考试题库's advantage is update cadence (every 5 months vs every 11 months). On price, ads and device support there is nothing between them.

Both are free to download. 消毒员考试题库 sells 10 one-off in-app purchases. 易呗背单词 asks for nothing beyond the download.

易呗背单词 ships an update every 11 months, 消毒员考试题库 every 5 months. The most recent releases landed on September 19, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | 易呗背单词 | 消毒员考试题库 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id628006358/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 5 months** |
| Monetization | Free | — |
| Size | 157 MB | 88 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Enguru LLC](https://appshunter.io/developer/1049219570) | [长沙优学互动信息技术有限公司](https://appshunter.io/developer/1247376685) |

## What reviewers say

### 易呗背单词

[App page](https://appshunter.io/ios/app/id628006358)

This app helps high school students master English vocabulary for exams. It uses a powerful memory engine and includes essential vocabulary from national textbooks and高考 exams. Features include smart review planning, built-in memory techniques, example sentences, and a dictionary lookup within sentences.

**Highlights:** National high school English textbook vocabulary, GaoKao English essential vocabulary, Smart review planning, Built-in memory techniques, Example sentences with dictionary lookup, Quiz tool

**Features:** macOS Compatibility

**In-app purchases:** none


### 消毒员考试题库

[App page](https://appshunter.io/ios/app/id1504627033)

**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 |


## Frequently asked questions

### Is 易呗背单词 free?

易呗背单词 is free to download, with no in-app purchases.

### Is 消毒员考试题库 free?

消毒员考试题库 is free to download, with in-app purchases available.

### Do 易呗背单词 or 消毒员考试题库 have ads?

Neither 易呗背单词 nor 消毒员考试题库 shows ads.

### Which is updated more often, 易呗背单词 or 消毒员考试题库?

易呗背单词 ships an update every 11 months, and 消毒员考试题库 every 5 months. Most recently, 易呗背单词 was updated on September 19, 2026 and 消毒员考试题库 on September 16, 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.*