# Countdown Widget vs AO3 Margin Notes

The clearest difference is in-app purchases: AO3 Margin Notes at none against Countdown Widget's 1. AO3 Margin Notes also leads on update cadence (every 4 days vs every 3 weeks) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Countdown Widget sells 1 one-off in-app purchase. AO3 Margin Notes asks for nothing beyond the download.

Countdown Widget ships an update every 3 weeks, AO3 Margin Notes every 4 days. The most recent releases landed on November 14, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Countdown Widget | AO3 Margin Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (68 ratings)](https://appshunter.io/ios/app/countdown-widget-day-count/id6503949471/reviews)** | — |
| Number of ratings | **68** | — |
| Positive reviews | 69.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 82 MB | 1 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Simone Montalto](https://appshunter.io/developer/1491658868) | [Ana Morales Benitez](https://appshunter.io/developer/6795215537) |

## What reviewers say

### Countdown Widget

[App page](https://appshunter.io/ios/app/countdown-widget-day-count/id6503949471)

Easily track important dates like birthdays, anniversaries, and vacations with customizable countdowns. View events on your home screen, lock screen, and Apple Watch. Receive timely reminders so you never miss a special occasion.

**Highlights:** Unlimited personalized countdowns, Home screen widgets, Live Activities on Lock Screen, Customizable notifications, Apple Watch app, iCloud sync

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Countdown Widget Pro | $5.99 | one-time |


### AO3 Margin Notes

[App page](https://appshunter.io/ios/app/ao3-margin-notes/id6795215535)

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

**In-app purchases:** none


## Frequently asked questions

### Is Countdown Widget free?

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

### Is AO3 Margin Notes free?

AO3 Margin Notes is free to download, with no in-app purchases.

### Do Countdown Widget or AO3 Margin Notes have ads?

Neither Countdown Widget nor AO3 Margin Notes shows ads.

### Which is updated more often, Countdown Widget or AO3 Margin Notes?

Countdown Widget ships an update every 3 weeks, and AO3 Margin Notes every 4 days. Most recently, Countdown Widget was updated on November 14, 2026 and AO3 Margin Notes on November 10, 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.*