# Anniversary · Countdown vs Blackout

The clearest difference is price: Blackout at Free against Anniversary · Countdown's $0.99. Anniversary · Countdown's advantage is in-app purchases (none vs 2). On update cadence, ads, device support and iOS requirement there is nothing between them.

Blackout is free to download; Anniversary · Countdown costs $0.99 up front. Blackout sells 2 in-app purchases, starting at $9.99 per year. Anniversary · Countdown asks for nothing beyond the download.

Anniversary · Countdown ships an update every 2 weeks, Blackout every 10 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Anniversary · Countdown | Blackout |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/anniversary-countdown/id6760106574/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Paid | — |
| Size | 8 MB | 4 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Shuxia Xiaowu Network Technology Co., Ltd.](https://appshunter.io/developer/1406242368) | [Mark Bullock](https://appshunter.io/developer/6784762149) |

## What reviewers say

### Anniversary · Countdown

[App page](https://appshunter.io/ios/app/anniversary-countdown/id6760106574)

This app helps you track important dates like birthdays and anniversaries with countdowns and count-ups. It offers thoughtful reminders and customizable event types, all within a private and ad-free interface. View your progress and cherished memories in one beautiful place.

**Highlights:** Countdown and count-up for events, Support for solar and lunar calendars, Life progress tracking, Customizable event types, Thoughtful reminders, Home screen and lock screen widgets, Private iCloud sync

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

**In-app purchases:** none


### Blackout

[App page](https://appshunter.io/ios/app/blackout-share-safely/id6810733572)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Blackout Pro | $9.99 | per year |
| Blackout — Share Safely Pro | $19.99 | one-time |


## Frequently asked questions

### Is Anniversary · Countdown free?

Anniversary · Countdown costs $0.99, with no in-app purchases.

### Is Blackout free?

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

### Do Anniversary · Countdown or Blackout have ads?

Neither Anniversary · Countdown nor Blackout shows ads.

### Which is updated more often, Anniversary · Countdown or Blackout?

Anniversary · Countdown ships an update every 2 weeks, and Blackout every 10 days. Most recently, Anniversary · Countdown was updated on October 25, 2026 and Blackout on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*