# "proOSBB" vs Countdown Widget + Calendar

The clearest difference is in-app purchases: "proOSBB" at none against Countdown Widget + Calendar's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Countdown Widget + Calendar sells 3 in-app purchases, starting at $2.99 per month. "proOSBB" asks for nothing beyond the download.

"proOSBB" ships an update every 2 months, Countdown Widget + Calendar monthly. The most recent releases landed on September 29, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | "proOSBB" | Countdown Widget + Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (46 ratings)](https://appshunter.io/ios/app/countdown-widget-plus-calendar/id1567964264/reviews)** |
| Number of ratings | — | **46** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 54 MB | 9 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TSENTR MUNITSYPALNYKH SYSTEM UPRAVLINNIA, TOV](https://appshunter.io/developer/1321819688) | [Alex Gameli Heyman](https://appshunter.io/developer/1529812783) |

## What reviewers say

### "proOSBB"

[App page](https://appshunter.io/ios/app/proosbb/id1385502270)

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

**In-app purchases:** none


### Countdown Widget + Calendar

[App page](https://appshunter.io/ios/app/countdown-widget-plus-calendar/id1567964264)

Easily track important events and milestones with beautiful visuals and customizable settings. Stay organized with timely reminders, versatile display formats, and a convenient date calculator. Sync across devices and never miss a special moment.

**Highlights:** Lock Screen Widgets, Quick Glance Widgets, iCloud Sync, Notifications & Reminders, Versatile Display Formats, Personalized Backgrounds, Date and Time Calculator

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Countdown Pro Access | $2.99 | per month |
| Life time access | $0.99 | one-time |
| Coundown lifetime access | $24.99 | one-time |


## Frequently asked questions

### Is "proOSBB" free?

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

### Is Countdown Widget + Calendar free?

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

### Do "proOSBB" or Countdown Widget + Calendar have ads?

Neither "proOSBB" nor Countdown Widget + Calendar shows ads.

### Which is updated more often, "proOSBB" or Countdown Widget + Calendar?

"proOSBB" ships an update every 2 months, and Countdown Widget + Calendar monthly. Most recently, "proOSBB" was updated on September 29, 2026 and Countdown Widget + Calendar on October 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.*