# All in One Calculator vs OziNotes

The clearest difference is price: OziNotes at Free against All in One Calculator's $1.99. OziNotes also leads on update cadence (every 4 days vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

OziNotes is free to download; All in One Calculator costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

All in One Calculator ships an update every 3 months, OziNotes every 4 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | All in One Calculator | OziNotes |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | — | Free |
| Size | 139 MB | 85 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Juan Antonio Veloz Gutierrez](https://appshunter.io/developer/1810351183) | [OZINY JOINT STOCK COMPANY](https://appshunter.io/developer/1816150498) |

## What reviewers say

### All in One Calculator

[App page](https://appshunter.io/ios/app/all-in-one-calculator-math/id6745767970)

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

**In-app purchases:** none


### OziNotes

[App page](https://appshunter.io/ios/app/ozinotes-write-what-matters/id6749676891)

Capture thoughts, ideas, tasks, and memories with a clean and intuitive note-taking app. Organize with custom categories, set reminders, and secure private notes with a passcode. Enjoy a distraction-free, privacy-first experience with no data collection.

**Highlights:** Rich formatting tools, Hand drawing and image insertion, Customizable categories, Reminders and calendar view, Password lock for privacy, Distraction-free interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is All in One Calculator free?

All in One Calculator costs $1.99, with no in-app purchases.

### Is OziNotes free?

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

### Do All in One Calculator or OziNotes have ads?

Neither All in One Calculator nor OziNotes shows ads.

### Which is updated more often, All in One Calculator or OziNotes?

All in One Calculator ships an update every 3 months, and OziNotes every 4 days. Most recently, All in One Calculator was updated on October 30, 2026 and OziNotes on October 30, 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.*