# InstantMemo vs Scrollory Calendar

The clearest difference is in-app purchases: InstantMemo at none against Scrollory Calendar's 1. InstantMemo also leads on update cadence (every 2 weeks vs every 5 weeks) and iOS requirement (11.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Scrollory Calendar sells 1 one-off in-app purchase. InstantMemo asks for nothing beyond the download.

InstantMemo ships an update every 2 weeks, Scrollory Calendar every 5 weeks. Both last shipped on October 15, 2026.

## The numbers

| Metric | InstantMemo | Scrollory Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | Free | — |
| Size | 10 MB | 4 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shigeki Matsunaka](https://appshunter.io/developer/1490398291) | [DTLF](https://appshunter.io/developer/6775349307) |

## What reviewers say

### InstantMemo

[App page](https://appshunter.io/ios/app/instantmemo/id1499441936)

This app is designed for quick note-taking, prioritizing speed and simplicity. It removes all non-essential features to ensure the fastest possible startup time for immediate jotting down of ideas.

**Highlights:** Maximum startup speed, Eliminates extra functions, Immediate note-taking, Simple interface

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

**In-app purchases:** none


### Scrollory Calendar

[App page](https://appshunter.io/ios/app/scrollory-calendar/id6775349305)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| rollory Pro (One-time) | $9.99 | one-time |


## Frequently asked questions

### Is InstantMemo free?

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

### Is Scrollory Calendar free?

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

### Do InstantMemo or Scrollory Calendar have ads?

Neither InstantMemo nor Scrollory Calendar shows ads.

### Which is updated more often, InstantMemo or Scrollory Calendar?

InstantMemo ships an update every 2 weeks, and Scrollory Calendar every 5 weeks. Most recently, InstantMemo was updated on October 15, 2026 and Scrollory Calendar 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.*