# Secured24 vs Koz

The clearest difference is ads: Koz at none against Secured24's shown. Koz also leads on update cadence (daily vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Secured24 sells 5 one-off in-app purchases and Koz sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Secured24 ships an update every 2 weeks, Koz daily. The most recent releases landed on June 1, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Secured24 | Koz |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 37 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ataman Engin YILDIZ](https://appshunter.io/developer/1806398380) | [TAHA C BASKIN](https://appshunter.io/developer/1836600465) |

## What reviewers say

### Secured24

[App page](https://appshunter.io/ios/app/secured24-private-note-vault/id6744178885)

Securely store confidential notes, media, voice memos, and drawings on your device. Protect your private items with biometric locks, encryption, and self-destruct timers for enhanced privacy.

**Highlights:** Biometric lock, On-device encryption, Self-destruct timers, Offline storage, Notes, voice memos, photos, videos, drawings

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |
| Unlock All Themes | $2.99 | one-time |
| Secured Content Control | $3.99 | one-time |
| Unlimited Notes & Media | $4.99 | one-time |
| Secured24 Features Bundle | $11.99 | one-time |


### Koz

[App page](https://appshunter.io/ios/app/koz-private-notes/id6791982989)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Koz Pro | $3.99 | per month |
| Koz Pro Yıllık | $39.99 | per year |


## Frequently asked questions

### Is Secured24 free?

Secured24 is free to download, with in-app purchases available.

### Is Koz free?

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

### Do Secured24 or Koz have ads?

Secured24 shows ads; Koz does not.

### Which is updated more often, Secured24 or Koz?

Secured24 ships an update every 2 weeks, and Koz daily. Most recently, Secured24 was updated on June 1, 2026 and Koz on September 15, 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.*