# 秘密のプライベートロックブラウザー vs Keep Browser

The clearest difference is ads: 秘密のプライベートロックブラウザー at none against Keep Browser's shown. 秘密のプライベートロックブラウザー also leads on iOS requirement (8.0 vs 15.6). Keep Browser's advantage is update cadence (every 11 days vs every 70 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.

秘密のプライベートロックブラウザー ships an update every 70 months, Keep Browser every 11 days. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 秘密のプライベートロックブラウザー | Keep Browser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/keep-browser-tree-tabs/id6444784668/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 70 months | **Every 11 days** |
| Monetization | — | Ad-supported |
| Size | 1 MB | 144 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Rikka Takanashi](https://appshunter.io/developer/1090786849) | [RSA TECHNOLOGIES, LIMITED LIABILITY CO.](https://appshunter.io/developer/1656876758) |

## What reviewers say

### 秘密のプライベートロックブラウザー

[App page](https://appshunter.io/ios/app/id1147897563)

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

**In-app purchases:** none


### Keep Browser

[App page](https://appshunter.io/ios/app/keep-browser-tree-tabs/id6444784668)

This browser organizes your browsing sessions into a tree-like structure, making it easy to compare information and manage multiple tabs. It offers private browsing and ad-blocking for a more secure and comfortable experience.

**Highlights:** Tree-style tab management, Tab management with labels, Private browsing mode, Ad blocking, Restoring closed tabs, Organizing bookmarks

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

**In-app purchases:** none


## Frequently asked questions

### Is 秘密のプライベートロックブラウザー free?

秘密のプライベートロックブラウザー is free to download, with no in-app purchases.

### Is Keep Browser free?

Keep Browser is free to download, with no in-app purchases.

### Do 秘密のプライベートロックブラウザー or Keep Browser have ads?

Keep Browser shows ads; 秘密のプライベートロックブラウザー does not.

### Which is updated more often, 秘密のプライベートロックブラウザー or Keep Browser?

秘密のプライベートロックブラウザー ships an update every 70 months, and Keep Browser every 11 days. Most recently, 秘密のプライベートロックブラウザー was updated on October 12, 2026 and Keep Browser on October 5, 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.*