# TraitGen vs PaperCrush

The clearest difference is ads: TraitGen at none against PaperCrush's shown. TraitGen also leads on iOS requirement (13.4 vs 17). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | TraitGen | PaperCrush |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Daily |
| Monetization | — | Ad-supported |
| Size | 26 MB | 13 MB |
| Requires iOS | **13.4** | 17 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Mousheng Xu](https://appshunter.io/developer/1111034505) | [Naoki Takahashi](https://appshunter.io/developer/1713880270) |

## What reviewers say

### TraitGen

[App page](https://appshunter.io/ios/app/traitgen/id6630368300)

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

**In-app purchases:** none


### PaperCrush

[App page](https://appshunter.io/ios/app/papercrush/id6745439518)

Discover and organize academic papers with a swipe-based interface. AI translation helps overcome language barriers, while trending sections highlight popular research. Tailor your feed to specific academic categories.

**Highlights:** Swipe interface for paper discovery, AI translation of titles and abstracts, Organize liked papers, View trending research, Detailed paper view with LaTeX support, Select custom academic categories

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

**In-app purchases:** none


## Frequently asked questions

### Is TraitGen free?

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

### Is PaperCrush free?

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

### Do TraitGen or PaperCrush have ads?

PaperCrush shows ads; TraitGen does not.

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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.*