# 国家数字图书馆 vs 论文君

The clearest difference is review sentiment: 论文君 at 60% against 国家数字图书馆's 13%. 论文君 also leads on rating (3.8 vs 1.6) and update cadence (every 5 weeks vs every 3 months). 国家数字图书馆's advantage is in-app purchases (none vs 8) and ratings volume (14 vs 4). On price, ads and device support there is nothing between them.

Both are free to download. 论文君 sells 8 one-off in-app purchases. 国家数字图书馆 asks for nothing beyond the download.

论文君 holds the better App Store score, 3.8 against 1.6. Both are backed by a comparable volume of ratings — 14 and 4 respectively. Written reviews point the same way: 13% of 国家数字图书馆's written reviews are positive against 60% of 论文君's.

国家数字图书馆 ships an update every 3 months, 论文君 every 5 weeks. The most recent releases landed on November 8, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 国家数字图书馆 | 论文君 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.6 (14 ratings)](https://appshunter.io/ios/app/id411870595/reviews) | **[3.8 (4 ratings)](https://appshunter.io/ios/app/paperpass/id1611521216/reviews)** |
| Number of ratings | **14** | 4 |
| Positive reviews | 12.9% of reviews | **60.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 337 MB | 8 MB |
| Requires iOS | 16 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [National Library of China](https://appshunter.io/developer/411870598) | [Beijing Weiyi Trading Co., Ltd](https://appshunter.io/developer/1556574052) |

## What reviewers say

### 国家数字图书馆

[App page](https://appshunter.io/ios/app/id411870595)

**Features:** Vision Pro support

**In-app purchases:** none


### 论文君

[App page](https://appshunter.io/ios/app/paperpass/id1611521216)

This tool helps students check their academic papers for plagiarism and offers AI-powered rewriting to reduce similarity. It also provides professional templates for thesis proposals and defenses, aiming to increase paper acceptance rates.

**Highlights:** Plagiarism detection against multiple databases, AI-powered text rewriting for similarity reduction, Preview and download similarity reports, Thesis proposal and defense PPT templates, Professional and secure academic services

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 单次查重 | $0.99 | one-time |
| 单次降重 | $0.99 | one-time |
| 月VIP | $3.99 | one-time |
| 单次查重1 | $3.99 | one-time |
| 单次查重2 | $6.99 | one-time |
| 年VIP | $9.99 | one-time |
| 单次查重3 | $14.99 | one-time |
| 永久会员 | $14.99 | one-time |


## Frequently asked questions

### Is 国家数字图书馆 free?

国家数字图书馆 is free to download, with no in-app purchases.

### Is 论文君 free?

论文君 is free to download, with in-app purchases available.

### Which has better reviews, 国家数字图书馆 or 论文君?

论文君 is rated higher. 国家数字图书馆 averages 1.6 out of 5 from 14 ratings, while 论文君 averages 3.8 from 4 ratings.

### Do 国家数字图书馆 or 论文君 have ads?

Neither 国家数字图书馆 nor 论文君 shows ads.

### Which is updated more often, 国家数字图书馆 or 论文君?

国家数字图书馆 ships an update every 3 months, and 论文君 every 5 weeks. Most recently, 国家数字图书馆 was updated on November 8, 2026 and 论文君 on November 3, 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.*