# QuiTimer vs Simple ToDo Diary

The clearest difference is ads: Simple ToDo Diary at none against QuiTimer's shown. Simple ToDo Diary also leads on update cadence (daily vs monthly). QuiTimer's advantage is iOS requirement (12.0 vs 18.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. QuiTimer sells 6 one-off in-app purchases and Simple ToDo Diary sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

QuiTimer ships an update monthly, Simple ToDo Diary daily. The most recent releases landed on October 20, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | QuiTimer | Simple ToDo Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (17 ratings)](https://appshunter.io/ios/app/quitimer/id1594048827/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 56.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Daily** |
| Monetization | Ad-supported | — |
| Size | 36 MB | 4 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ryosuke Nakamura](https://appshunter.io/developer/1560811877) | [Kazuya Hashimoto](https://appshunter.io/developer/1857972259) |

## What reviewers say

### QuiTimer

[App page](https://appshunter.io/ios/app/quitimer/id1594048827)

This app helps you quit bad habits and embrace a simpler life. Track your progress in quitting smoking, drinking, or other vices. Share your achievements with friends for added motivation and accountability.

**Highlights:** Quit habit management, Progress tracking, Share achievements, Motivation through social sharing, Support for a stoic lifestyle

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 250円分の決意 | $1.99 | one-time |
| 610円分の決意 | $4.99 | one-time |
| 1220円分の決意 | $9.99 | one-time |
| 2440円分の決意 | $19.99 | one-time |
| 5140円分の決意 | $41.99 | one-time |
| 10000円分の決意 | $79.99 | one-time |


### 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 QuiTimer free?

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

### Is Simple ToDo Diary free?

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

### Do QuiTimer or Simple ToDo Diary have ads?

QuiTimer shows ads; Simple ToDo Diary does not.

### Which is updated more often, QuiTimer or Simple ToDo Diary?

QuiTimer ships an update monthly, and Simple ToDo Diary daily. Most recently, QuiTimer was updated on October 20, 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.*