# AI论文君 vs NubDeck

The clearest difference is in-app purchases: NubDeck at none against AI论文君's 7. AI论文君's advantage is update cadence (every 8 days vs every 2 months) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. AI论文君 sells 7 one-off in-app purchases. NubDeck asks for nothing beyond the download.

AI论文君 ships an update every 8 days, NubDeck every 2 months. The most recent releases landed on November 11, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | AI论文君 | NubDeck |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 2 months |
| Size | 66 MB | 521 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [杭州拾米网络科技有限公司](https://appshunter.io/developer/1632176203) | [Shanghai InGeek Cyber Security Co., Ltd.](https://appshunter.io/developer/1464408787) |

## What reviewers say

### AI论文君

[App page](https://appshunter.io/ios/app/ai/id6654905215)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 小论文 | $2.99 | one-time |
| 开题报告专业版 | $3.99 | one-time |
| 中期报告专业版 | $3.99 | one-time |
| 短论文 | $6.99 | one-time |
| 普通论文 | $14.99 | one-time |
| 长论文 | $24.99 | one-time |
| 超长论文 | $39.99 | one-time |


### NubDeck

[App page](https://appshunter.io/ios/app/nubdeck/id6764029030)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI论文君 free?

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

### Is NubDeck free?

NubDeck is free to download, with no in-app purchases.

### Do AI论文君 or NubDeck have ads?

Neither AI论文君 nor NubDeck shows ads.

### Which is updated more often, AI论文君 or NubDeck?

AI论文君 ships an update every 8 days, and NubDeck every 2 months. Most recently, AI论文君 was updated on November 11, 2026 and NubDeck on November 9, 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.*