# Notepad Plus vs Owlculator

The clearest difference is in-app purchases: Notepad Plus at none against Owlculator's 1. Notepad Plus also leads on iOS requirement (13.0 vs 17.0). Owlculator's advantage is ads (none vs shown) and update cadence (every 4 days vs every 11 months). On price and device support there is nothing between them.

Both are free to download. Owlculator sells 1 one-off in-app purchase. Notepad Plus asks for nothing beyond the download.

Notepad Plus ships an update every 11 months, Owlculator every 4 days. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Notepad Plus | Owlculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 11 months | **Every 4 days** |
| Size | 6 MB | 2 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Abhaykumar Kasundra](https://appshunter.io/developer/1483184372) | [Fishington Studios](https://appshunter.io/developer/344044425) |

## What reviewers say

### Notepad Plus

[App page](https://appshunter.io/ios/app/notepad-plus-pro/id1570012930)

**Features:** macOS Compatibility

**In-app purchases:** none


### Owlculator

[App page](https://appshunter.io/ios/app/owlculator-math-notes/id6761601067)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Pro | $4.99 | one-time |


## Frequently asked questions

### Is Notepad Plus free?

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

### Is Owlculator free?

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

### Do Notepad Plus or Owlculator have ads?

Notepad Plus shows ads; Owlculator does not.

### Which is updated more often, Notepad Plus or Owlculator?

Notepad Plus ships an update every 11 months, and Owlculator every 4 days. Most recently, Notepad Plus was updated on October 12, 2026 and Owlculator on October 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.*