# Anniversary Count Timer App. vs Simple ToDo Diary

The clearest difference is in-app purchases: Anniversary Count Timer App. at none against Simple ToDo Diary's 1. Simple ToDo Diary's advantage is ads (none vs shown) and update cadence (daily vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Simple ToDo Diary sells 1 one-off in-app purchase. Anniversary Count Timer App. asks for nothing beyond the download.

Anniversary Count Timer App. ships an update every 3 months, Simple ToDo Diary daily. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Anniversary Count Timer App. | Simple ToDo Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (40 ratings)](https://appshunter.io/ios/app/anniversary-count-timer-app/id1343936260/reviews)** | — |
| Number of ratings | **40** | — |
| Positive reviews | 78.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Ad-supported | — |
| Size | 32 MB | 4 MB |
| Requires iOS | **18.0** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [EasterEggs](https://appshunter.io/developer/553389214) | [Kazuya Hashimoto](https://appshunter.io/developer/1857972259) |

## What reviewers say

### Anniversary Count Timer App.

[App page](https://appshunter.io/ios/app/anniversary-count-timer-app/id1343936260)

This app helps you track important dates by counting down to special events and counting up from past milestones. Easily manage multiple anniversaries, birthdays, and relationship moments with a clear interface and widget support.

**Highlights:** Countdown to special days, Count up from important dates, Widget support, Manage multiple anniversaries, Simple design

**In-app purchases:** none


### Simple ToDo Diary

[App page](https://appshunter.io/ios/app/simple-todo-diary/id6756016949)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告を非表示にする | $1.99 | one-time |


## Frequently asked questions

### Is Anniversary Count Timer App. free?

Anniversary Count Timer App. is free to download, with no in-app purchases.

### Is Simple ToDo Diary free?

Simple ToDo Diary is free to download, with in-app purchases available.

### Do Anniversary Count Timer App. or Simple ToDo Diary have ads?

Anniversary Count Timer App. shows ads; Simple ToDo Diary does not.

### Which is updated more often, Anniversary Count Timer App. or Simple ToDo Diary?

Anniversary Count Timer App. ships an update every 3 months, and Simple ToDo Diary daily. Most recently, Anniversary Count Timer App. was updated on October 9, 2026 and Simple ToDo Diary on October 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.*