# 保護ブラウザ vs 呼吸法を集めました

The clearest difference is ads: 呼吸法を集めました at none against 保護ブラウザ's shown. 呼吸法を集めました also leads on iOS requirement (12.0 vs 14.0). 保護ブラウザ's advantage is update cadence (every 2 months vs every 13 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

保護ブラウザ ships an update every 2 months, 呼吸法を集めました every 13 months. The most recent releases landed on October 17, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 保護ブラウザ | 呼吸法を集めました |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 13 months |
| Monetization | Ad-supported | — |
| Size | 57 MB | 49 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [hidehiko aihara](https://appshunter.io/developer/1178520609) | [SHUUICHI WATANABE](https://appshunter.io/developer/999235573) |

## What reviewers say

### 保護ブラウザ

[App page](https://appshunter.io/ios/app/id1551906269)

Reduce eye strain with this app that offers adjustable screen filters to block blue light. Customize the blue light reduction percentage and choose from four filter colors. It's designed to be lightweight and easy to use for prolonged periods.

**Highlights:** Adjustable blue light cut rate (0-80%), Four color filter options, Transparency adjustment, Lightweight performance, Privacy screen enhancement, Favorite and history functions

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

**In-app purchases:** none


### 呼吸法を集めました

[App page](https://appshunter.io/ios/app/id1582772416)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 保護ブラウザ free?

保護ブラウザ is free to download, with no in-app purchases.

### Is 呼吸法を集めました free?

呼吸法を集めました is free to download, with no in-app purchases.

### Do 保護ブラウザ or 呼吸法を集めました have ads?

保護ブラウザ shows ads; 呼吸法を集めました does not.

### Which is updated more often, 保護ブラウザ or 呼吸法を集めました?

保護ブラウザ ships an update every 2 months, and 呼吸法を集めました every 13 months. Most recently, 保護ブラウザ was updated on October 17, 2026 and 呼吸法を集めました on October 25, 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.*