# AI Essay Check vs PaperDeep论文辅助工具

The clearest difference is iOS requirement: AI Essay Check at 13.4 against PaperDeep论文辅助工具's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. AI Essay Check sells 3 in-app purchases, starting at $3.99 per 7 days and PaperDeep论文辅助工具 sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

AI Essay Check ships an update every 9 days, PaperDeep论文辅助工具 every 5 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | AI Essay Check | PaperDeep论文辅助工具 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/ai-essay-check/id6758269362/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 50 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [思亮 刘](https://appshunter.io/developer/1792659057) | [BorderTown](https://appshunter.io/developer/1654646700) |

## What reviewers say

### AI Essay Check

[App page](https://appshunter.io/ios/app/ai-essay-check/id6758269362)

Estimate the likelihood of your writing being flagged as AI-generated by academic detection tools. Identify risky sentences and receive suggestions to make your text sound more natural and human-written before submission.

**Highlights:** AI detection score estimation, Risk highlighting for sentences, Rewrite suggestions for natural phrasing, Multiple writing style options, Before & after editing comparison

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Yearly | $3.99 | per 7 days |
| Pro Monthly | $9.99 | per month |
| Pro Yearly | $59.99 | per year |


### PaperDeep论文辅助工具

[App page](https://appshunter.io/ios/app/paperdeep/id6758391561)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 基础会员-1天 | $0.99 | one-time |
| 38元积分充值 | $4.99 | one-time |
| 58元权益套餐 | $7.99 | one-time |
| 68元积分充值 | $9.99 | one-time |
| 1个月一次性会员权益 | $12.99 | one-time |
| 128元积分充值 | $19.99 | one-time |
| 168元权益套餐 | $24.99 | one-time |
| 228元的权益套餐 | $29.99 | one-time |
| 3个月一次性会员权益 | $29.99 | one-time |
| 12个月一次性会员权益 | $99.99 | one-time |


## Frequently asked questions

### Is AI Essay Check free?

AI Essay Check is free to download, with in-app purchases available.

### Is PaperDeep论文辅助工具 free?

PaperDeep论文辅助工具 is free to download, with in-app purchases available.

### Do AI Essay Check or PaperDeep论文辅助工具 have ads?

Neither AI Essay Check nor PaperDeep论文辅助工具 shows ads.

### Which is updated more often, AI Essay Check or PaperDeep论文辅助工具?

AI Essay Check ships an update every 9 days, and PaperDeep论文辅助工具 every 5 days. Most recently, AI Essay Check was updated on October 31, 2026 and PaperDeep论文辅助工具 on October 31, 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.*