# Climb Timer 集中力育成 vs Protocol

The clearest difference is ads: Protocol at none against Climb Timer 集中力育成's shown. Protocol also leads on update cadence (every 2 weeks vs every 3 months). Climb Timer 集中力育成's advantage is iOS requirement (18.5 vs 26.2). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Climb Timer 集中力育成 sells 3 in-app purchases, starting at $1.99 per month and Protocol sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Climb Timer 集中力育成 ships an update every 3 months, Protocol every 2 weeks. The most recent releases landed on September 11, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Climb Timer 集中力育成 | Protocol |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 182 MB | 13 MB |
| Requires iOS | **18.5** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [YOSHIKI MIYAMOTO](https://appshunter.io/developer/1856627696) | [Alexander Zakharin](https://appshunter.io/developer/594227453) |

## What reviewers say

### 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 |


### Protocol

[App page](https://appshunter.io/ios/app/protocol-100-days-life-reset/id6758921820)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $2.99 | per 7 days |
| Premium Yearly | $29.99 | per year |


## Frequently asked questions

### 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.

### Is Protocol free?

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

### Do Climb Timer 集中力育成 or Protocol have ads?

Climb Timer 集中力育成 shows ads; Protocol does not.

### Which is updated more often, Climb Timer 集中力育成 or Protocol?

Climb Timer 集中力育成 ships an update every 3 months, and Protocol every 2 weeks. Most recently, Climb Timer 集中力育成 was updated on September 11, 2026 and Protocol on September 8, 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.*