# SAYEN vs Kathib

The clearest difference is update cadence: SAYEN at every 6 weeks against Kathib's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SAYEN ships an update every 6 weeks, Kathib every 4 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | SAYEN | Kathib |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sayen/id1530021734/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 72 MB | 77 MB |
| Requires iOS | 15.6 | **15.5** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [sirar by stc](https://appshunter.io/developer/1639333711) | [Property Automate private limited](https://appshunter.io/developer/1704610694) |

## What reviewers say

### SAYEN

[App page](https://appshunter.io/ios/app/sayen/id1530021734)

Manage document workflows and digital signatures with a high-trust solution. Protect your organization, users, and documents from unauthorized changes using cryptographic digital signatures.

**Highlights:** Document workflow management, Cryptographic digital signatures, High trust security, Protection against unauthorized changes, User and document protection

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

**In-app purchases:** none


### Kathib

[App page](https://appshunter.io/ios/app/kathib/id6785263164)

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

**In-app purchases:** none


## Frequently asked questions

### Is SAYEN free?

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

### Is Kathib free?

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

### Do SAYEN or Kathib have ads?

Neither SAYEN nor Kathib shows ads.

### Which is updated more often, SAYEN or Kathib?

SAYEN ships an update every 6 weeks, and Kathib every 4 months. Most recently, SAYEN was updated on October 24, 2026 and Kathib on October 24, 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.*