# Simple Calendar (Plan Todo) vs Groop

The clearest difference is in-app purchases: Groop at none against Simple Calendar (Plan Todo)'s 1. Groop also leads on ads (none vs shown). Simple Calendar (Plan Todo)'s advantage is iOS requirement (15.6 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Simple Calendar (Plan Todo) sells 1 one-off in-app purchase. Groop asks for nothing beyond the download.

## The numbers

| Metric | Simple Calendar (Plan Todo) | Groop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/groop/id6793726825/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | — |
| Monetization | — | Free |
| Size | 75 MB | 4 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 9+ |
| Developer | [Huy Huynh](https://appshunter.io/developer/1815003126) | [ALISON CHEN](https://appshunter.io/developer/6793726827) |

## What reviewers say

### Simple Calendar (Plan Todo)

[App page](https://appshunter.io/ios/app/simple-calendar-plan-todo/id6746109019)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $5.99 | one-time |


### Groop

[App page](https://appshunter.io/ios/app/groop/id6793726825)

Effortlessly schedule events directly within your group chats. Compare availabilities in a shared calendar without leaving your conversation. Plan meetings, hangouts, or vacations efficiently across time zones.

**Highlights:** Schedule events in group chats, Integrated availability comparison, Cross-time zone support, No account required, Directly within messages

**Features:** iMessage stickers

**In-app purchases:** none


## Frequently asked questions

### Is Simple Calendar (Plan Todo) free?

Simple Calendar (Plan Todo) is free to download, with in-app purchases available.

### Is Groop free?

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

### Do Simple Calendar (Plan Todo) or Groop have ads?

Simple Calendar (Plan Todo) shows ads; Groop does not.

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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.*