# Important ones vs Calendar Notes Pro

The clearest difference is ads: Important ones at none against Calendar Notes Pro's shown. Important ones also leads on monetization model (free vs ad-supported) and iOS requirement (11.0 vs 15.1). Calendar Notes Pro's advantage is update cadence (daily vs fortnightly). On price, review sentiment, 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.

Important ones ships an update fortnightly, Calendar Notes Pro daily. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Important ones | Calendar Notes Pro |
| --- | --- | --- |
| 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 | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Daily** |
| Monetization | **Free** | Ad-supported |
| Size | 33 MB | 35 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Evgeny Lukianchikov](https://appshunter.io/developer/1678112243) | [Alok Haldiya](https://appshunter.io/developer/1866422343) |

## What reviewers say

### Important ones

[App page](https://appshunter.io/ios/app/important-ones/id6446497080)

This app helps you remember to call important people in your life. Set custom reminders for daily, weekly, or monthly calls, and never miss a birthday again. It stores contact information securely on your device.

**Highlights:** Save contacts securely on device, Set daily, weekly, or monthly reminders, Track birthdates to avoid missed wishes, Receive call notifications, Organize important relationships

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Important ones free?

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

### Is Calendar Notes Pro free?

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

### Do Important ones or Calendar Notes Pro have ads?

Calendar Notes Pro shows ads; Important ones does not.

### Which is updated more often, Important ones or Calendar Notes Pro?

Important ones ships an update fortnightly, and Calendar Notes Pro daily. Most recently, Important ones was updated on September 24, 2026 and Calendar Notes Pro on September 23, 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.*