# Calendar Notes Pro vs OCR Hero

The clearest difference is in-app purchases: Calendar Notes Pro at none against OCR Hero's 4. Calendar Notes Pro also leads on update cadence (daily vs every 4 days). OCR Hero's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. OCR Hero sells 4 in-app purchases, starting at $4.99 per month. Calendar Notes Pro asks for nothing beyond the download.

Calendar Notes Pro ships an update daily, OCR Hero every 4 days. The most recent releases landed on September 23, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Calendar Notes Pro | OCR Hero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/calendar-notes-pro/id6757369920/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 4 days |
| Monetization | Ad-supported | — |
| Size | 35 MB | 2 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alok Haldiya](https://appshunter.io/developer/1866422343) | [江慧 杨](https://appshunter.io/developer/1893525164) |

## What reviewers say

### Calendar Notes Pro

[App page](https://appshunter.io/ios/app/calendar-notes-pro/id6757369920)

This app integrates your calendar and notes into a single, minimalist interface. View notes directly on your calendar and enjoy instant auto-save for a stress-free organization experience. It prioritizes privacy by storing all data locally on your device.

**Highlights:** Notes displayed on calendar, Instant auto-save, Minimalist design, Tap to write notes, Fully offline functionality, Local data storage

**Features:** macOS Compatibility

**In-app purchases:** none


### OCR Hero

[App page](https://appshunter.io/ios/app/ocr-hero/id6762252940)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OCR Hero Pro Monthly | $4.99 | per month |
| OCR Hero Pro Quarterly | $13.99 | per 3 months |
| OCR Hero Pro Yearly | $51.99 | per year |
| OCR Hero Credit Pack | $4.99 | one-time |


## Frequently asked questions

### Is Calendar Notes Pro free?

Calendar Notes Pro is free to download, with no in-app purchases.

### Is OCR Hero free?

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

### Do Calendar Notes Pro or OCR Hero have ads?

Calendar Notes Pro shows ads; OCR Hero does not.

### Which is updated more often, Calendar Notes Pro or OCR Hero?

Calendar Notes Pro ships an update daily, and OCR Hero every 4 days. Most recently, Calendar Notes Pro was updated on September 23, 2026 and OCR Hero on October 1, 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.*