# Simple Hidden Note vs zDrivePro

The clearest difference is update cadence: Simple Hidden Note at daily against zDrivePro's monthly. 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.

Simple Hidden Note ships an update daily, zDrivePro monthly. Both last shipped on October 25, 2026.

## The numbers

| Metric | Simple Hidden Note | zDrivePro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Monthly |
| Size | 35 MB | 5 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Next Level Order Engineering UG (haftungsbeschrankt)](https://appshunter.io/developer/1838301382) | [MESUT AS](https://appshunter.io/developer/1759876176) |

## What reviewers say

### Simple Hidden Note

[App page](https://appshunter.io/ios/app/simple-hidden-note/id6760840827)

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

**In-app purchases:** none


### zDrivePro

[App page](https://appshunter.io/ios/app/zdrivepro-usb-storage-and-tool/id6763162545)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple Hidden Note free?

Simple Hidden Note is free to download, with no in-app purchases.

### Is zDrivePro free?

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

### Do Simple Hidden Note or zDrivePro have ads?

Neither Simple Hidden Note nor zDrivePro shows ads.

### Which is updated more often, Simple Hidden Note or zDrivePro?

Simple Hidden Note ships an update daily, and zDrivePro monthly. Most recently, Simple Hidden Note was updated on October 25, 2026 and zDrivePro on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*