# ivySCI vs Astrali A

The clearest difference is in-app purchases: Astrali A at none against ivySCI's 3. Astrali A also leads on iOS requirement (13.0 vs 15.5). On price, ads and device support there is nothing between them.

Both are free to download. ivySCI sells 3 in-app purchases, starting at $2.99 per month. Astrali A asks for nothing beyond the download.

## The numbers

| Metric | ivySCI | Astrali A |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (9 ratings)](https://appshunter.io/ios/app/ivysci/id1600901406/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Freemium | — |
| Size | 66 MB | 30 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nanjing IvyScience Information Technology Co., Ltd.](https://appshunter.io/developer/1600901408) | [Bilek Bilek](https://appshunter.io/developer/6772554752) |

## What reviewers say

### ivySCI

[App page](https://appshunter.io/ios/app/ivysci/id1600901406)

This app helps researchers manage and read scientific papers efficiently. It automatically extracts metadata, offers AI-assisted reading and proofreading, and allows for easy note-taking and citation integration with word processors.

**Highlights:** Automatic PDF metadata identification, AI-assisted reading and Q&A, Built-in translation and dictionary, Reference extraction and download, Image extraction and side-by-side viewing, Cloud-synced notes across devices, Word processor citation plugin

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ivySCI VIP Monthly Service | $2.99 | per month |
| Annual VIP Subscription | $29.99 | per year |
| Annual AI Pro Subscription | $39.99 | per year |


### Astrali A

[App page](https://appshunter.io/ios/app/astrali-a/id6772554750)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ivySCI free?

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

### Is Astrali A free?

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

### Do ivySCI or Astrali A have ads?

Neither ivySCI nor Astrali A shows ads.

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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.*