# Security Data vs Kina

The clearest difference is rating: Kina at 5.0 against Security Data's 3.5. Kina also leads on iOS requirement (15.1 vs 17.0). Security Data's advantage is in-app purchases (none vs 3) and ratings volume (55 vs 4). On price, ads and device support there is nothing between them.

Both are free to download. Kina sells 3 in-app purchases, starting at $1.99 per month. Security Data asks for nothing beyond the download.

Kina holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: Security Data has 55 ratings behind it against 4, so its average is the more settled of the two.

Security Data ships an update every 2 weeks, Kina monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Security Data | Kina |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (55 ratings)](https://appshunter.io/ios/app/security-data/id1571800015/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/kina/id6747950422/reviews)** |
| Number of ratings | **55** | 4 |
| Positive reviews | 46.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 82 MB | 62 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [SECURITY DATA SEGURIDAD EN DATOS Y FIRMA DIGITAL S.A.](https://appshunter.io/developer/1571800017) | [David Zambrano](https://appshunter.io/developer/1823533031) |

## What reviewers say

### Security Data

[App page](https://appshunter.io/ios/app/security-data/id1571800015)

This app provides a comprehensive solution for managing and electronically signing documents. It allows for secure digital signing and storage, optimizing processes and reducing paper usage. Its modern interface is designed for businesses and professionals needing to validate and manage digital documents efficiently.

**Highlights:** Digital document signing, Electronic document management, Secure digital storage, Modern and intuitive interface, Optimize document processes, Reduce paper usage

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

**In-app purchases:** none


### Kina

[App page](https://appshunter.io/ios/app/kina/id6747950422)

This app connects pet owners, rescuers, and adopters to facilitate pet adoption, reunite lost animals, and discover local pet services. It allows users to browse adoptable pets, report lost or found animals, and connect with a community focused on animal welfare.

**Highlights:** Adoptable pet profiles, Report lost or found pets, Connect with pet owners, Discover local pet services, Rehome pets

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Héroe de Patitas | $1.99 | per month |
| Adopta | $1.99 | one-time |
| Alerta | $4.99 | one-time |


## Frequently asked questions

### Is Security Data free?

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

### Is Kina free?

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

### Which has better reviews, Security Data or Kina?

Kina is rated higher. Security Data averages 3.5 out of 5 from 55 ratings, while Kina averages 5.0 from 4 ratings.

### Do Security Data or Kina have ads?

Neither Security Data nor Kina shows ads.

### Which is updated more often, Security Data or Kina?

Security Data ships an update every 2 weeks, and Kina monthly. Most recently, Security Data was updated on October 24, 2026 and Kina 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.*