# Calendar vs Growthstack CRM

The clearest difference is in-app purchases: Growthstack CRM at none against Calendar's 3. Growthstack CRM also leads on iOS requirement (16.6 vs 18.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Calendar sells 3 in-app purchases, starting at $7.99 per 7 days. Growthstack CRM asks for nothing beyond the download.

Calendar ships an update every 3 months, Growthstack CRM every 5 months. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Calendar | Growthstack CRM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Size | 7 MB | 342 MB |
| Requires iOS | 18.2 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Manuel Worlitzer](https://appshunter.io/developer/1785527240) | [Influx Marketing, Inc](https://appshunter.io/developer/1890507665) |

## What reviewers say

### Calendar

[App page](https://appshunter.io/ios/app/calendar-chronos/id6752597394)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calendar Chronos Premium | $7.99 | per 7 days |
| Calendar Chronos Premium | $39.99 | per year |
| Lifetime Pro | $119.99 | one-time |


### Growthstack CRM

[App page](https://appshunter.io/ios/app/growthstack-crm/id6761621795)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calendar free?

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

### Is Growthstack CRM free?

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

### Do Calendar or Growthstack CRM have ads?

Neither Calendar nor Growthstack CRM shows ads.

### Which is updated more often, Calendar or Growthstack CRM?

Calendar ships an update every 3 months, and Growthstack CRM every 5 months. Most recently, Calendar was updated on October 8, 2026 and Growthstack CRM on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*