# Sentinel Origin vs Countdown Widget

The clearest difference is update cadence: Sentinel Origin at every 2 days against Countdown Widget's every 9 days. Sentinel Origin also leads on iOS requirement (15.6 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Sentinel Origin sells 4 in-app purchases, starting at $39.99 per year and Countdown Widget sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Sentinel Origin ships an update every 2 days, Countdown Widget every 9 days. The most recent releases landed on October 24, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Sentinel Origin | Countdown Widget |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (14 ratings)](https://appshunter.io/ios/app/countdown-widget-nanocount/id6797480728/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 9 days |
| Monetization | — | Free with in-app purchases |
| Size | 40 MB | 19 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Valiexa LLC](https://appshunter.io/developer/1878068446) | [Digital Sandbox B.V.](https://appshunter.io/developer/6797480730) |

## What reviewers say

### Sentinel Origin

[App page](https://appshunter.io/ios/app/sentinel-origin/id6792452317)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription | $39.99 | per year |
| Items Under 500 | $4.99 | one-time |
| Item Under 1000 | $9.99 | one-time |
| Item Above 1000 | $17.99 | one-time |


### Countdown Widget

[App page](https://appshunter.io/ios/app/countdown-widget-nanocount/id6797480728)

Easily track important dates with customizable widgets for your home and lock screens. Count down to events or count up from a starting point, with options for seconds, days, or even working days. All features are available for free, with an optional one-time purchase for advanced syncing and customization.

**Highlights:** Home and Lock Screen widgets, Countdown and count-up timers, Live countdowns to the second, Customizable counter styles and colors, Import from Calendar and Reminders, Offline functionality, One-time purchase for Pro features

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NanoCount Pro | $5.99 | one-time |


## Frequently asked questions

### Is Sentinel Origin free?

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

### Is Countdown Widget free?

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

### Do Sentinel Origin or Countdown Widget have ads?

Neither Sentinel Origin nor Countdown Widget shows ads.

### Which is updated more often, Sentinel Origin or Countdown Widget?

Sentinel Origin ships an update every 2 days, and Countdown Widget every 9 days. Most recently, Sentinel Origin was updated on October 24, 2026 and Countdown Widget on November 3, 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.*