# 作业快对 vs 成语大全

The clearest difference is in-app purchases: 作业快对 at none against 成语大全's 1. 作业快对 also leads on ads (none vs shown) and iOS requirement (12.0 vs 18.1). 成语大全's advantage is update cadence (every 2 months vs every 17 months). On price and device support there is nothing between them.

Both are free to download. 成语大全 sells 1 one-off in-app purchase. 作业快对 asks for nothing beyond the download.

作业快对 ships an update every 17 months, 成语大全 every 2 months. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 作业快对 | 成语大全 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 17 months | **Every 2 months** |
| Size | 54 MB | 4 MB |
| Requires iOS | **12.0** | 18.1 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [佐北 宁](https://appshunter.io/developer/1556784907) | [NEXTLINK PTY LTD](https://appshunter.io/developer/1115197533) |

## What reviewers say

### 作业快对

[App page](https://appshunter.io/ios/app/ai/id6475805372)

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

**In-app purchases:** none


### 成语大全

[App page](https://appshunter.io/ios/app/id6743483048)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁复制文本 | $1.99 | one-time |


## Frequently asked questions

### Is 作业快对 free?

作业快对 is free to download, with no in-app purchases.

### Is 成语大全 free?

成语大全 is free to download, with in-app purchases available.

### Do 作业快对 or 成语大全 have ads?

成语大全 shows ads; 作业快对 does not.

### Which is updated more often, 作业快对 or 成语大全?

作业快对 ships an update every 17 months, and 成语大全 every 2 months. Most recently, 作业快对 was updated on October 9, 2026 and 成语大全 on October 14, 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.*