# STATS™ Mobile vs Rayyan

The clearest difference is rating: STATS™ Mobile at 5.0 against Rayyan's 3.8. STATS™ Mobile also leads on in-app purchases (none vs 14). Rayyan's advantage is ratings volume (23 vs 1). On price, update cadence, 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. STATS™ Mobile asks for nothing beyond the download.

STATS™ Mobile holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Rayyan has 23 ratings behind it against 1, so its average is the more settled of the two.

STATS™ Mobile ships an update every 6 weeks, Rayyan every 5 weeks. The most recent releases landed on October 3, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | STATS™ Mobile | Rayyan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stats-mobile/id1513218922/reviews)** | [3.8 (23 ratings)](https://appshunter.io/ios/app/rayyan/id1581620841/reviews) |
| Number of ratings | 1 | **23** |
| Positive reviews | — | 37.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 30 MB | 36 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Decision Analyst](https://appshunter.io/developer/1250212248) | [Rayyan Systems, Inc.](https://appshunter.io/developer/1581620843) |

## What reviewers say

### STATS™ Mobile

[App page](https://appshunter.io/ios/app/stats-mobile/id1513218922)

This application offers essential statistical calculators for marketing researchers and students. It provides tools for summary statistics, sample size determination, standard error calculations, and significance testing, with clear explanations of formulas.

**Highlights:** Summary statistics for CSV files, Sample size determination, Standard error of proportion, Significance testing, Formula explanations

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is STATS™ Mobile free?

STATS™ Mobile is free to download, with no in-app purchases.

### Is Rayyan free?

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

### Which has better reviews, STATS™ Mobile or Rayyan?

STATS™ Mobile is rated higher. STATS™ Mobile averages 5.0 out of 5 from 1 ratings, while Rayyan averages 3.8 from 23 ratings.

### Do STATS™ Mobile or Rayyan have ads?

Neither STATS™ Mobile nor Rayyan shows ads.

### Which is updated more often, STATS™ Mobile or Rayyan?

STATS™ Mobile ships an update every 6 weeks, and Rayyan every 5 weeks. Most recently, STATS™ Mobile was updated on October 3, 2026 and Rayyan on October 17, 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.*