# Rayyan vs danxer QR

The clearest difference is in-app purchases: danxer QR at none against Rayyan's 14. Rayyan's advantage is update cadence (every 5 weeks vs every 43 months) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Rayyan sells 13 in-app purchases, starting at $9.99 per month. danxer QR asks for nothing beyond the download.

Rayyan ships an update every 5 weeks, danxer QR every 43 months. The most recent releases landed on October 27, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Rayyan | danxer QR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (24 ratings)](https://appshunter.io/ios/app/rayyan/id1581620841/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 37.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 43 months |
| Monetization | Free with in-app purchases | — |
| Size | 36 MB | 2 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Rayyan Systems, Inc.](https://appshunter.io/developer/1581620843) | [Jose Crespo](https://appshunter.io/developer/1045050239) |

## 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 |


### danxer QR

[App page](https://appshunter.io/ios/app/danxer-qr/id1670140536)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rayyan free?

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

### Is danxer QR free?

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

### Do Rayyan or danxer QR have ads?

Neither Rayyan nor danxer QR shows ads.

### Which is updated more often, Rayyan or danxer QR?

Rayyan ships an update every 5 weeks, and danxer QR every 43 months. Most recently, Rayyan was updated on October 27, 2026 and danxer QR on October 18, 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.*