Comparison

Keep Browser vs あとで読む | URL Stacker

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

Head to head
About

Keep Browser

Organize your research and browsing with tree-style tabs. Group related pages, share them across devices, and easily manage multiple open links for comparison or later review. Features include ad blocking and private browsing.

Highlights
  • Tree-style tab management
  • Tab group sharing
  • Keep Mode for research flow
  • Labels for tab groups
  • Ad blocking
  • Private browsing
  • Backup and restore
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.

About

あとで読む | URL Stacker

Features
Read full description

「あとで読む」は今すぐに読めない記事をストックするアプリです。 特徴 ・iOS上のアプリの共有から「あとで読む」を選択してURLを保存 ・URLのメタタグから画像やタイトルを記事として一覧表示 ・カテゴリ機能でURLを整理 ・埋込みブラウザによりiOS上の他ブラウザに閲覧履歴を残さない

Screenshots

Keep Browser4 screens
あとで読む | URL Stacker1 screens

Verdict

The call

The clearest difference is update cadence: あとで読む | URL Stacker at every 2 days against Keep Browser's weekly. あとで読む | URL Stacker also leads on iOS requirement (12.0 vs 15.6). On price, ads, 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

Keep Browser ships an update weekly, あとで読む | URL Stacker every 2 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
Keep Browser versus あとで読む | URL Stacker: the parameters behind the verdict, then further details
ParameterKeep Browserあとで読む | URL Stacker
PriceFreeFree
Rating5.0 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyWeeklyEvery 2 days — better
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.612.0 — better
Further details — not scored
Size145 MB41 MB
Age rating17+17+
DeveloperRSA TECHNOLOGIES, LIMITED LIABILITY CO.NODGE Technologies inc.

In-app purchases

None

Keep Browser

No in-app purchases

None

あとで読む | URL Stacker

No in-app purchases

Questions

Is Keep Browser free?
Keep Browser is free to download, with no in-app purchases.
Is あとで読む | URL Stacker free?
あとで読む | URL Stacker is free to download, with no in-app purchases.
Do Keep Browser or あとで読む | URL Stacker have ads?
Both Keep Browser and あとで読む | URL Stacker show ads.
Which is updated more often, Keep Browser or あとで読む | URL Stacker?
Keep Browser ships an update weekly, and あとで読む | URL Stacker every 2 days. Most recently, Keep Browser was updated on October 30, 2026 and あとで読む | URL Stacker on October 25, 2026.

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