# Calendar vs GreystoneInfra

The clearest difference is in-app purchases: GreystoneInfra at none against Calendar's 3. GreystoneInfra also leads on iOS requirement (12.4 vs 15.0). Calendar's advantage is device support. On price there is nothing between them.

Both are free to download. Calendar sells 3 in-app purchases, starting at $3.99 per month. GreystoneInfra asks for nothing beyond the download.

## The numbers

| Metric | Calendar | GreystoneInfra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (402 ratings)](https://appshunter.io/ios/app/calendar-schedule-planner/id1499349045/reviews)** | — |
| Number of ratings | **402** | — |
| Positive reviews | 70.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | — |
| Size | 291 MB | 20 MB |
| Requires iOS | 15.0 | **12.4** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [Planning Technologies LLC](https://appshunter.io/developer/1618240887) | [MARKS DZYN PRIVATE LIMITED](https://appshunter.io/developer/1615364323) |

## What reviewers say

### Calendar

[App page](https://appshunter.io/ios/app/calendar-schedule-planner/id1499349045)

This app combines six essential productivity tools into one convenient package. Organize your schedule with a robust calendar, manage tasks with a to-do list, jot down ideas in notes, track finances with a budget tool, secure your information with a password manager, and convert currencies on the go. Customize your interface for maximum efficiency.

**Highlights:** Integrated Calendar with iCloud/Google sync, To-Do List with subtasks and task-to-event conversion, Notes with voice input and drawing, Financial Tracker with budget categories and diagrams, Secure Password Manager, Real-time Currency Converter, Customizable interface and navigation

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access for a Month | $3.99 | per month |
| Full Access for a Year | $29.99 | per year |
| Full Access Forever | $49.99 | one-time |


### GreystoneInfra

[App page](https://appshunter.io/ios/app/greystoneinfra/id6450706438)

**In-app purchases:** none


## Frequently asked questions

### Is Calendar free?

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

### Is GreystoneInfra free?

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

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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.*