Comparison

秘密のプライベートロックブラウザー vs Keep Browser

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

秘密のプライベートロックブラウザー

Features
Read full description

ブラウザをロックしてあなただけのプライベートに! 自分だけの秘密のブラウザです。 暗証番号でロックして履歴やブックマークを保護しましょう! 使い方は簡単! ダウンロードしたらパスワードを設定、 あとはブラウザを使うだけ! アプリを閉じるたびにロックされるので安心です。 バックグラウンドの画面スモーク仕様で、 今さっき見ていた画面も完璧保護! このアプリブラウザ以外には履歴やブックマークが残らないので他人に見られたくないプライベートなネットタイムを安心してご利用いただけます。

About

Keep Browser

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
Read full description

Keep Browser turns search results, comparison pages, and research links into organized tree-style tabs. Open links at the top level, in the same group, or in a subgroup so research, shopping, travel planning, work, and study pages stay connected and easy to find. Organized tab groups can be sent as shared links. Share tab groups across supported devices, making it easier to continue research across devices. Useful when you want to: • Open multiple search results and compare them later • Organize products, hotels, restaurants, properties, or other candidates • Keep frequently used pages and pages to read later in groups • Manage many open tabs with hierarchy and labels • Share a group of tabs with family, friends, or another device Main features • Tree-style tab management: Keep related pages in a clear hierarchy. • Tab group sharing: Send selected tab groups as shared links and open them across supported devices. Private tabs are not shared. • Keep Mode: Open tapped links as new tabs in a subgroup and preserve your research flow. • Labels: Add names and colors to tab groups. • Tab List, Tab Map, and related-node preview: Review open tabs and related groups, then jump to the page you need. • Pinned tabs: Keep important pages from being closed by mistake. • Closed tab restore: Restore closed tabs from the list. • Ad blocking: Choose the blocking strength and adjust settings per site to balance cleaner pages with site compatibility. • Private Mode: Browse without saving history or cookies. • Fast scroll: Move quickly through long pages and large tab lists by dragging the scroll bar. • Backup and restore: Back up and restore regular tabs, bookmarks, browsing history, search history, and settings across supported devices. Private tabs, cookies, and login state are not restored. • Bookmarks, history, downloads, page translation, find in page, PDF search, desktop site display, and zoom are also supported. Keep Browser is built not only to open pages, but to organize and preserve them. Manage research, comparison, saving, sharing, and backup in one place.

Screenshots

秘密のプライベートロックブラウザー2 screens
Keep Browser4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
秘密のプライベートロックブラウザー versus Keep Browser: the parameters behind the verdict, then further details
Parameter秘密のプライベートロックブラウザーKeep Browser
PriceFreeFree
Rating—5.0 (4 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—4 — better
Update frequencyEvery 70 monthsEvery 11 days — better
AdsNo — betterYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS8.0 — better15.6
Further details — not scored
Size1 MB144 MB
Age rating17+17+
DeveloperRikka TakanashiRSA TECHNOLOGIES, LIMITED LIABILITY CO.

In-app purchases

None

秘密のプライベートロックブラウザー

No in-app purchases

None

Keep Browser

No in-app purchases

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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