# Simple Calendar & Diary vs Checkity Check

The clearest difference is ads: Checkity Check at none against Simple Calendar & Diary's shown. Simple Calendar & Diary's advantage is iOS requirement (12.0 vs 15.1). On price, update cadence, 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.

Simple Calendar & Diary ships an update every 3 weeks, Checkity Check every 2 weeks. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Simple Calendar & Diary | Checkity Check |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/checkity-check/id6741008652/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 11 MB | 25 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yuichi HARA](https://appshunter.io/developer/538530212) | [Arnoldo Rodriguez Rodriguez](https://appshunter.io/developer/1792526279) |

## What reviewers say

### Simple Calendar & Diary

[App page](https://appshunter.io/ios/app/simple-calendar-and-diary/id1383507802)

**Features:** Vision Pro support

**In-app purchases:** none


### Checkity Check

[App page](https://appshunter.io/ios/app/checkity-check/id6741008652)

This grocery list app simplifies shopping with a clean design and smart suggestions. It remembers your past purchases at specific stores to make your trips faster and more organized.

**Highlights:** Smart item suggestions, Store-specific purchase memory, Minimalist design, Fast item addition, Frictionless checkout experience

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple Calendar & Diary free?

Simple Calendar & Diary is free to download, with no in-app purchases.

### Is Checkity Check free?

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

### Do Simple Calendar & Diary or Checkity Check have ads?

Simple Calendar & Diary shows ads; Checkity Check does not.

### Which is updated more often, Simple Calendar & Diary or Checkity Check?

Simple Calendar & Diary ships an update every 3 weeks, and Checkity Check every 2 weeks. Most recently, Simple Calendar & Diary was updated on October 3, 2026 and Checkity Check on October 7, 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.*