# Calendar Event Countdowns vs GROWii

The clearest difference is iOS requirement: GROWii at 11.0 against Calendar Event Countdowns's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Calendar Event Countdowns ships an update every 3 weeks, GROWii monthly. Both last shipped on November 7, 2026.

## The numbers

| Metric | Calendar Event Countdowns | GROWii |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 48 MB | 74 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Smart Data Applications Cologne UG](https://appshunter.io/developer/1695599767) | [Pham Anh Tuan](https://appshunter.io/developer/1710541312) |

## What reviewers say

### Calendar Event Countdowns

[App page](https://appshunter.io/ios/app/calendar-event-countdowns/id6450902759)

**In-app purchases:** none


### GROWii

[App page](https://appshunter.io/ios/app/growii/id6468773318)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calendar Event Countdowns free?

Calendar Event Countdowns is free to download, with no in-app purchases.

### Is GROWii free?

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

### Do Calendar Event Countdowns or GROWii have ads?

Neither Calendar Event Countdowns nor GROWii shows ads.

### Which is updated more often, Calendar Event Countdowns or GROWii?

Calendar Event Countdowns ships an update every 3 weeks, and GROWii monthly. Most recently, Calendar Event Countdowns was updated on November 7, 2026 and GROWii on November 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.*