# MDK info vs Sezi

The clearest difference is in-app purchases: MDK info at none against Sezi's 8. Sezi's advantage is update cadence (every 10 days vs every 4 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sezi sells 8 in-app purchases, starting at $0.99 per month. MDK info asks for nothing beyond the download.

MDK info ships an update every 4 weeks, Sezi every 10 days. The most recent releases landed on October 27, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | MDK info | Sezi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sezi-tracking-and-security/id6479568562/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 92.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 33 MB | 116 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MDK Studio](https://appshunter.io/developer/1521624985) | [Disastechnology](https://appshunter.io/developer/1736355003) |

## What reviewers say

### MDK info

[App page](https://appshunter.io/ios/app/mdk-info/id1530201177)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sezi

[App page](https://appshunter.io/ios/app/sezi-tracking-and-security/id6479568562)

This app provides constant family location tracking and security features, designed for both daily use and emergencies. It offers real-time location sharing, smart travel monitoring, and offline SOS capabilities to keep loved ones connected and safe.

**Highlights:** 24/7 Live Location Tracking, Smart Travel & Routine Tracking, Area Entry/Exit Notifications (Geofence), Offline SOS & Emergency Messaging, Discover Safe Points Nearby, Sirens & Warning Sounds, Disaster & Crisis Plans

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Aylık Grup C | $0.99 | per month |
| Ailem Aylık Paketi | $1.99 | per month |
| Premium Aylık Grup A | $1.99 | per month |
| Premium Aylık Grup B | $1.99 | per month |
| Premium Yıllık Grup C | $12.99 | per year |
| Premium Yıllık Grup A | $19.99 | per year |
| Premium Yıllık Grup B | $19.99 | per year |
| Ailem Yıllık Paketi | $22.99 | per year |


## Frequently asked questions

### Is MDK info free?

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

### Is Sezi free?

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

### Do MDK info or Sezi have ads?

Neither MDK info nor Sezi shows ads.

### Which is updated more often, MDK info or Sezi?

MDK info ships an update every 4 weeks, and Sezi every 10 days. Most recently, MDK info was updated on October 27, 2026 and Sezi on October 9, 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.*