# Reminder, simple & useful vs Climb Timer 集中力育成

The clearest difference is ads: Reminder, simple & useful at none against Climb Timer 集中力育成's shown. Reminder, simple & useful also leads on update cadence (every 3 weeks vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Reminder, simple & useful sells 8 in-app purchases, starting at $0.99 per month and Climb Timer 集中力育成 sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Reminder, simple & useful ships an update every 3 weeks, Climb Timer 集中力育成 every 3 months. The most recent releases landed on September 26, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Reminder, simple & useful | Climb Timer 集中力育成 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (11 ratings)](https://appshunter.io/ios/app/reminder-simple-and-useful/id1590481824/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Freemium | — |
| Size | 158 MB | 182 MB |
| Requires iOS | **17.6** | 18.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vladimir Tezin](https://appshunter.io/developer/1546233266) | [YOSHIKI MIYAMOTO](https://appshunter.io/developer/1856627696) |

## What reviewers say

### Reminder, simple & useful

[App page](https://appshunter.io/ios/app/reminder-simple-and-useful/id1590481824)

Set reminders quickly and easily with minimal steps. Supports one-time and recurring tasks, with options for quick entry and customizable sounds. Includes advanced features like image reminders and widgets.

**Highlights:** Quick reminder setup, One-time and recurring tasks, Favorite reminder shortcuts, Emoji-based reminders, Customizable sound library, Advanced features (images, widgets)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Annually | $5.99 | per year |
| Thanks for author | $0.99 | one-time |
| Widget+ | $0.99 | one-time |
| Live Activity | $0.99 | one-time |
| Quick Reminders + | $0.99 | one-time |
| Reminders+ | $0.99 | one-time |
| Reminder Premium Lifetime | $8.99 | one-time |


### Climb Timer 集中力育成

[App page](https://appshunter.io/ios/app/climb-timer/id6755832269)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額プラン | $1.99 | per month |
| 年額プラン | $9.99 | per year |
| 買い切りプラン | $29.99 | one-time |


## Frequently asked questions

### Is Reminder, simple & useful free?

Reminder, simple & useful is free to download, with in-app purchases available.

### Is Climb Timer 集中力育成 free?

Climb Timer 集中力育成 is free to download, with in-app purchases available.

### Do Reminder, simple & useful or Climb Timer 集中力育成 have ads?

Climb Timer 集中力育成 shows ads; Reminder, simple & useful does not.

### Which is updated more often, Reminder, simple & useful or Climb Timer 集中力育成?

Reminder, simple & useful ships an update every 3 weeks, and Climb Timer 集中力育成 every 3 months. Most recently, Reminder, simple & useful was updated on September 26, 2026 and Climb Timer 集中力育成 on September 11, 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.*