# Anniversary · Countdown vs KoKoFlash

The clearest difference is review sentiment: Anniversary · Countdown at 100% against KoKoFlash's 0%. Anniversary · Countdown also leads on in-app purchases (none vs 1) and update cadence (weekly vs monthly). KoKoFlash's advantage is price (Free vs $0.99). On ads and iOS requirement there is nothing between them.

KoKoFlash is free to download; Anniversary · Countdown costs $0.99 up front. KoKoFlash sells 1 one-off in-app purchase. Anniversary · Countdown asks for nothing beyond the download.

Anniversary · Countdown ships an update weekly, KoKoFlash monthly. Both last shipped on October 28, 2026.

## The numbers

| Metric | Anniversary · Countdown | KoKoFlash |
| --- | --- | --- |
| 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** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 8 MB | 8 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Shuxia Xiaowu Network Technology Co., Ltd.](https://appshunter.io/developer/1406242368) | [masahiko akita](https://appshunter.io/developer/1891674153) |

## 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, iPhone Duo support

**In-app purchases:** none


### KoKoFlash

[App page](https://appshunter.io/ios/app/kokoflash/id6776223504)

This app helps users communicate visually and audibly in situations where speaking is difficult. It features a bright flashing screen, customizable messages, and an SOS beacon mode. It also includes an emergency contact display and quick launch options.

**Highlights:** High-brightness flashing screen, Adjustable flash speed, Pre-registered custom messages, Emergency contact display, SOS beacon mode (Morse code), Quick launch from lock screen

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ここフラッシュ PRO版 | Free | one-time |


## Frequently asked questions

### Is Anniversary · Countdown free?

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

### Is KoKoFlash free?

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

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

Neither Anniversary · Countdown nor KoKoFlash shows ads.

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

Anniversary · Countdown ships an update weekly, and KoKoFlash monthly. Most recently, Anniversary · Countdown was updated on October 28, 2026 and KoKoFlash 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.*