# AI英语阅读助手 vs 证据库

The clearest difference is price: AI英语阅读助手 at Free against 证据库's $0.99. AI英语阅读助手 also leads on update cadence (every 3 days vs every 6 weeks) and iOS requirement (15.0 vs 17.0). 证据库's advantage is in-app purchases (none vs 3). On ads and device support there is nothing between them.

AI英语阅读助手 is free to download; 证据库 costs $0.99 up front. AI英语阅读助手 sells 3 in-app purchases, starting at $0.99 per month. 证据库 asks for nothing beyond the download.

AI英语阅读助手 ships an update every 3 days, 证据库 every 6 weeks. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | AI英语阅读助手 | 证据库 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 6 weeks |
| Size | 19 MB | 2 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [杭州引力网络技术有限公司](https://appshunter.io/developer/1133518651) | [舟 徐](https://appshunter.io/developer/1642105940) |

## What reviewers say

### AI英语阅读助手

[App page](https://appshunter.io/ios/app/ai/id6474818300)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度VIP | $0.99 | per month |
| 年度VIP | $14.99 | per year |
| 永久VIP | $19.99 | one-time |


### 证据库

[App page](https://appshunter.io/ios/app/id6742163471)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI英语阅读助手 free?

AI英语阅读助手 is free to download, with in-app purchases available.

### Is 证据库 free?

证据库 costs $0.99, with no in-app purchases.

### Do AI英语阅读助手 or 证据库 have ads?

Neither AI英语阅读助手 nor 证据库 shows ads.

### Which is updated more often, AI英语阅读助手 or 证据库?

AI英语阅读助手 ships an update every 3 days, and 证据库 every 6 weeks. Most recently, AI英语阅读助手 was updated on October 31, 2026 and 证据库 on November 5, 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.*