# Notification Notes vs Instant Calendar

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

Both are free to download. Notification Notes sells 4 in-app purchases, starting at $0.99 per 7 days. Instant Calendar asks for nothing beyond the download.

Notification Notes ships an update fortnightly, Instant Calendar every 2 weeks. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Notification Notes | Instant Calendar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Size | 44 MB | 96 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sameer Ijaz](https://appshunter.io/developer/1824196562) | [Bii](https://appshunter.io/developer/666785006) |

## What reviewers say

### Notification Notes

[App page](https://appshunter.io/ios/app/notification-notes-countdown/id6748075571)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $0.99 | per 7 days |
| Monthly Premium | $0.99 | per month |
| Yearly Premium | $9.99 | per year |
| Lifetime Access | $3.99 | one-time |


### Instant Calendar

[App page](https://appshunter.io/ios/app/instant-calendar/id6787633958)

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

**In-app purchases:** none


## Frequently asked questions

### Is Notification Notes free?

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

### Is Instant Calendar free?

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

### Do Notification Notes or Instant Calendar have ads?

Notification Notes shows ads; Instant Calendar does not.

### Which is updated more often, Notification Notes or Instant Calendar?

Notification Notes ships an update fortnightly, and Instant Calendar every 2 weeks. Most recently, Notification Notes was updated on October 3, 2026 and Instant Calendar on October 8, 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.*