# Rayyan vs BioStatBot

The clearest difference is price: Rayyan at Free against BioStatBot's $2.99. BioStatBot's advantage is in-app purchases (none vs 14). On ads, device support and iOS requirement there is nothing between them.

Rayyan is free to download; BioStatBot costs $2.99 up front. Rayyan sells 13 in-app purchases, starting at $9.99 per month. BioStatBot asks for nothing beyond the download.

## The numbers

| Metric | Rayyan | BioStatBot |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[3.8 (23 ratings)](https://appshunter.io/ios/app/rayyan/id1581620841/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 37.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 36 MB | 47 MB |
| Requires iOS | 15.1 | **14.0.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Rayyan Systems, Inc.](https://appshunter.io/developer/1581620843) | [CRESCENDO TREINAMENTOS AVANCADOS LTDA](https://appshunter.io/developer/1591484139) |

## What reviewers say

### Rayyan

[App page](https://appshunter.io/ios/app/rayyan/id1581620841)

This app streamlines systematic literature reviews for researchers, enabling quick article screening and decision-making on mobile devices. It supports offline work and real-time collaboration, significantly reducing review time.

**Highlights:** Offline article screening, Real-time collaboration, Quick inclusion decisions, Reference labeling, Article filtering, Configurable settings

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Student Monthly | $9.99 | per month |
| Professional Monthly | $14.99 | per month |
| Student Quarterly | $24.99 | per 3 months |
| Essential Quarterly | $24.99 | per 3 months |
| Professional Quarterly | $39.99 | per 3 months |
| Advanced Quarterly | $39.99 | per 3 months |
| Student Annual | $59.99 | per year |
| Essential Annual | $59.99 | per year |
| Advanced Quarterly 2 Seats | $79.99 | per 3 months |
| Professional Annual | $99.99 | per year |
| Advanced Annual | $99.99 | per year |
| Advanced Quarterly 4 Seats | $159.99 | per 3 months |
| Advanced Annual 5 Seats | $499.99 | per year |


### BioStatBot

[App page](https://appshunter.io/ios/app/biostatbot/id6737881457)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rayyan free?

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

### Is BioStatBot free?

BioStatBot costs $2.99, with no in-app purchases.

### Do Rayyan or BioStatBot have ads?

Neither Rayyan nor BioStatBot 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.*