# Zetrr Planner vs Groupy Calendar

The clearest difference is in-app purchases: Zetrr Planner at none against Groupy Calendar's 4. Zetrr Planner also leads on update cadence (every 3 days vs weekly). Groupy Calendar's advantage is iOS requirement (16.4 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Groupy Calendar sells 4 in-app purchases, starting at $3.99 per month. Zetrr Planner asks for nothing beyond the download.

Zetrr Planner ships an update every 3 days, Groupy Calendar weekly. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Zetrr Planner | Groupy Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/groupy-calendar/id6779937306/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | — | Freemium |
| Size | 11 MB | 59 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Ashish Sukralia](https://appshunter.io/developer/6776014610) | [Erez Cohen](https://appshunter.io/developer/6772463824) |

## What reviewers say

### Zetrr Planner

[App page](https://appshunter.io/ios/app/zetrr-planner/id6776014608)

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

**In-app purchases:** none


### Groupy Calendar

[App page](https://appshunter.io/ios/app/groupy-calendar/id6779937306)

This app simplifies group coordination by offering a shared calendar with color-coded events for each member. It allows for easy event creation, file attachments, cost tracking, and birthday reminders, ensuring everyone stays organized.

**Highlights:** Color-coded shared calendar, AI-powered event creation, Attach photos and documents, Cost tracking, Birthday tracking, Offline access, Customizable themes

**Features:** Family Sharing, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |
| Premium Yearly | $24.99 | per year |
| Founder Lifetime | $79.00 | one-time |
| Lifetime | $129.00 | one-time |


## Frequently asked questions

### Is Zetrr Planner free?

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

### Is Groupy Calendar free?

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

### Do Zetrr Planner or Groupy Calendar have ads?

Neither Zetrr Planner nor Groupy Calendar shows ads.

### Which is updated more often, Zetrr Planner or Groupy Calendar?

Zetrr Planner ships an update every 3 days, and Groupy Calendar weekly. Most recently, Zetrr Planner was updated on October 31, 2026 and Groupy Calendar on November 5, 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.*