# Open Invite vs Countdowner

The clearest difference is update cadence: Countdowner at every 10 days against Open Invite's every 7 months. Countdowner also leads on iOS requirement (18 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Open Invite sells 3 one-off in-app purchases and Countdowner sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Open Invite ships an update every 7 months, Countdowner every 10 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | Open Invite | Countdowner |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 10 days** |
| Monetization | — | Paid |
| Size | 7 MB | 6 MB |
| Requires iOS | 26.0 | **18** |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Christian Tietze](https://appshunter.io/developer/581693527) | [Fabian Will](https://appshunter.io/developer/1842834628) |

## What reviewers say

### Open Invite

[App page](https://appshunter.io/ios/app/open-invite/id6757206056)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thank You | $0.99 | one-time |
| Appreciation Tip | $2.99 | one-time |
| Showing Support | $4.99 | one-time |


### Countdowner

[App page](https://appshunter.io/ios/app/countdowner-countdown-widget/id6758725253)

Easily track important dates like birthdays, vacations, and weddings with custom countdowns. Add widgets to your home and lock screens for quick visibility and receive timely reminders. Sync across devices and Apple Watch for seamless event tracking.

**Highlights:** Unlimited custom countdowns, Home and Lock Screen widgets, Local event reminders, Apple Watch sync, iCloud device sync, Customizable themes and icons

**Features:** Family Sharing, Apple Watch app, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $1.99 | one-time |


## Frequently asked questions

### Is Open Invite free?

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

### Is Countdowner free?

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

### Do Open Invite or Countdowner have ads?

Neither Open Invite nor Countdowner shows ads.

### Which is updated more often, Open Invite or Countdowner?

Open Invite ships an update every 7 months, and Countdowner every 10 days. Most recently, Open Invite was updated on October 28, 2026 and Countdowner on October 28, 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.*