# Calendar Notes Pro vs Habit Prism

The clearest difference is in-app purchases: Calendar Notes Pro at none against Habit Prism's 1. Calendar Notes Pro also leads on update cadence (daily vs fortnightly) and iOS requirement (15.1 vs 18.5). Habit Prism's advantage is ads (none vs shown). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Habit Prism sells 1 one-off in-app purchase. Calendar Notes Pro asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Calendar Notes Pro against 5.0 for Habit Prism. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Calendar Notes Pro ships an update daily, Habit Prism fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Calendar Notes Pro | Habit Prism |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/calendar-notes-pro/id6757369920/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/habit-prism/id6758595081/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Fortnightly |
| Monetization | **Ad-supported** | Freemium |
| Size | 35 MB | 5 MB |
| Requires iOS | **15.1** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alok Haldiya](https://appshunter.io/developer/1866422343) | [Brian Hansen](https://appshunter.io/developer/1781470027) |

## 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


### Habit Prism

[App page](https://appshunter.io/ios/app/habit-prism/id6758595081)

Build consistency and reach your goals with a flexible habit tracker. Supports various habit formats, goal setting with rest days, and detailed progress reviews. Data is controlled by the user, with optional Pro features for advanced functionality.

**Highlights:** Multiple habit formats (Yes/No, Rating, Journal, Timed, Task Lists), Goal setting with success thresholds and rest days, Calendar heatmaps and trend analysis, Task organization with filters and priorities, Data export, Backup and restore (Pro), Journal exports (Pro)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Habit Prism Pro | $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 Habit Prism free?

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

### Which has better reviews, Calendar Notes Pro or Habit Prism?

Calendar Notes Pro and Habit Prism are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do Calendar Notes Pro or Habit Prism have ads?

Calendar Notes Pro shows ads; Habit Prism does not.

### Which is updated more often, Calendar Notes Pro or Habit Prism?

Calendar Notes Pro ships an update daily, and Habit Prism fortnightly. Most recently, Calendar Notes Pro was updated on October 24, 2026 and Habit Prism on October 24, 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.*