# SMART vs Zayna

The clearest difference is in-app purchases: Zayna at none against SMART's 10. Zayna also leads on ads (none vs shown) and device support (3 vs 1). On price and update cadence there is nothing between them.

Both are free to download. SMART sells 10 in-app purchases, starting at $2.99 per month. Zayna asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 18, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | SMART | Zayna |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (9 ratings)](https://appshunter.io/ios/app/smart-pdf-document-scanner/id1512794804/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 95.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 58 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bartnitzky, Böttcher und Springer GbR](https://appshunter.io/developer/1512794803) | [Rayan Bouchair](https://appshunter.io/developer/1817264745) |

## What reviewers say

### SMART

[App page](https://appshunter.io/ios/app/smart-pdf-document-scanner/id1512794804)

Easily scan, create, edit, and sign PDF documents directly from your device. Organize your files with folders, merge multiple documents, and export them to various destinations. Offers both a free version with coin-based function unlocks and a comprehensive Pro subscription for maximum productivity.

**Highlights:** Scan documents with camera, Import from photo albums and cloud storage, Add digital signatures, Edit PDFs with text and notes, Merge multiple PDF files, Organize files in folders, Export to various destinations

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SMART-PDF Premium – 1 month | $2.99 | per month |
| SMART-PDF Premium – 3 months | $6.99 | per 3 months |
| SMART-PDF Premium – 6 months | $11.99 | per 6 months |
| SMART-PDF Premium – 12 months | $22.99 | per year |
| 10 SMART-PDF Coins | $0.99 | one-time |
| 100 SMART-PDF Coins | $5.99 | one-time |
| 150 SMART-PDF Coins | $8.99 | one-time |
| 250 SMART-PDF Coins | $13.99 | one-time |
| 500 SMART-PDF Coins | $17.99 | one-time |
| 750 SMART-PDF Coins | $22.99 | one-time |


### Zayna

[App page](https://appshunter.io/ios/app/zayna/id6746516912)

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

**In-app purchases:** none


## Frequently asked questions

### Is SMART free?

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

### Is Zayna free?

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

### Do SMART or Zayna have ads?

SMART shows ads; Zayna does not.

### Which is updated more often, SMART or Zayna?

SMART ships an update every 3 weeks, and Zayna every 3 weeks. Most recently, SMART was updated on September 18, 2026 and Zayna on September 19, 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.*