Bookmark App vs Stack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Bookmark App
Capture and organize all your digital content, from links and articles to photos and text snippets. Access your saved items through a visually appealing grid or immersive carousel, and find anything instantly with powerful search.
- Universal Share Extension
- Waterfall Grid layout
- Immersive Carousel View
- Seamless iCloud Sync
- Blazing-Fast Search
- Effortless Organization & Tagging
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Save anything worth remembering. DoubleMemory is a private bookmark, read-later, note, and image library for people who collect ideas all day and need to find them again fast. Save links, articles, text snippets, PDFs, tweets, screenshots, photos, recipes, research, travel ideas, code snippets, and random sparks without building a filing system first. What you can do • Save from the iOS Share Sheet in any app • Add image items from screenshots and photos • Capture links, text, notes, and PDFs into one searchable place • Browse a visual waterfall grid or focused feed • Open saved articles in a clean reader view • Search titles, URLs, notes, tags, and full text as you type • Save searches and tags for one-tap collections • Sync privately across iPhone, iPad, and Mac with iCloud Why it is different DoubleMemory feels less like a folder and more like a photographic memory for your digital life. It is built for quick capture, visual recall, and fast search, so the ideas you save do not disappear into a bookmark graveyard. Perfect for • Reading lists and research threads • Design, product, and travel inspiration • Screenshots, images, recipes, and gift ideas • Quotes, prompts, code snippets, and references • Anything you want to remember later No account required. Your library syncs with iCloud, and your saved memories stay yours. Terms of Service: http://doublememory.com/posts/terms-of-service Privacy Policy: http://doublememory.com/posts/privacy-policy Support: hi@doublememory.com
Stack
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Stack is a project planner built the way a Mac app should be. Lay work out on boards, see the same work on a calendar, and watch it run on a timeline — on iPhone, iPad and Mac, with everything synced privately through your own iCloud. BOARDS THAT MOVE Lists and tasks you can drag anywhere. Colour-coded labels, cover images, checklists, due dates, priorities, attachments and comments. Give a board a key and every task gets a number you can quote — HRB-14. THREE WAYS TO SEE THE SAME WORK Columns when you are running the work. One long list when you are working through it. A month calendar when you need to know what lands when — and a timeline of lanes and bars when you need to see the whole project at once. PLAN ITEMS, NOT JUST TASKS "Design freeze". "Launch". Dates a project has to remember that are nobody's to-do. They sit on the calendar and the timeline beside the work without pretending to be tasks. TODAY, THIS WEEK, FLAGGED Saved views that cut across every board, so you can start the day in one place instead of opening four boards to find out what is due. FIND ANYTHING Full-text search across every board — titles, descriptions, checklists and attachment names — with the board and list each result came from. SHARE A BOARD Invite someone with a link. They see your board, you see their edits, and it all runs on iCloud sharing. No accounts to create, no seats to buy. EVERYWHERE YOU WORK Quick add from anywhere. A menu bar item on Mac. A share extension so anything you are looking at can become a task. A home-screen widget for what is due today. Shortcuts and Siri support for the rest. WORKS OFFLINE, ALWAYS Every read and every write happens on your device first. Sync catches up when the network does. A plane, a basement, a bad hotel — the app does not care. PRIVATE BY DESIGN No account. No server. No tracking. No ads. Your boards live on your device and sync through your personal iCloud — nobody else can see them, including us. Free, with no subscription and nothing to unlock. Built natively for iPhone, iPad and Mac, localized into six languages, and designed to feel at home on every screen size.
Screenshots
Verdict
The clearest difference is in-app purchases: Stack at none against Bookmark App's 5. Stack also leads on iOS requirement (17.0 vs 26.0). On price, ads 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
Both are free to download. Bookmark App sells 5 in-app purchases, starting at $0.99 per 7 days. Stack asks for nothing beyond the download.
| Parameter | Bookmark App | Stack |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (13 ratings) — better | — |
| Positive reviews | 58.3% of reviews | — |
| Number of ratings | 13 — better | — |
| Update frequency | Every 2 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Requires iOS | 26.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 20 MB | 29 MB |
| Age rating | 17+ | 4+ |
| Developer | Shaomeng Zhang | SouthIndus Labs |
In-app purchases
Bookmark App
- Weekly7 Days trial$0.997 Days
- Monthly14 Days trial$3.991 Month
- Quarterly14 Days trial$7.993 Months
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- Annual1 Month trial$29.991 Year
- Kindred$79.99
Stack
No in-app purchases









