# Ring Timer vs 猫と集中

The clearest difference is in-app purchases: Ring Timer at none against 猫と集中's 1. 猫と集中's advantage is ads (none vs shown) and update cadence (fortnightly vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 猫と集中 sells 1 in-app purchase, starting at $1.99 per month. Ring Timer asks for nothing beyond the download.

Ring Timer ships an update every 2 months, 猫と集中 fortnightly. The most recent releases landed on October 21, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Ring Timer | 猫と集中 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ring-timer-study-pomodoro-app/id6471089341/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Ad-supported | — |
| Size | 88 MB | 50 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mincheol Shin](https://appshunter.io/developer/1714747684) | [Yuto Mogami](https://appshunter.io/developer/1856235316) |

## What reviewers say

### Ring Timer

[App page](https://appshunter.io/ios/app/ring-timer-study-pomodoro-app/id6471089341)

This app helps you manage your time effectively with customizable timers for various activities like studying or exercising. It offers a variety of timer durations, color themes, and sound/vibration options to personalize your experience. You can save frequently used timers and review your past time records.

**Highlights:** Customizable timer durations, Variety of color themes, Save frequently used timers, View timer records, Customizable sound and vibration, Intuitive interface

**Features:** macOS Compatibility

**In-app purchases:** none


### 猫と集中

[App page](https://appshunter.io/ios/app/id6755775112)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium subscription | $1.99 | per month |


## Frequently asked questions

### Is Ring Timer free?

Ring Timer is free to download, with no in-app purchases.

### Is 猫と集中 free?

猫と集中 is free to download, with in-app purchases available.

### Do Ring Timer or 猫と集中 have ads?

Ring Timer shows ads; 猫と集中 does not.

### Which is updated more often, Ring Timer or 猫と集中?

Ring Timer ships an update every 2 months, and 猫と集中 fortnightly. Most recently, Ring Timer was updated on October 21, 2026 and 猫と集中 on October 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.*