iWorkUntil vs Stack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iWorkUntil
This app transforms remaining time into a visual representation, using a grid that fills as time passes. It's designed for individuals who benefit from seeing time progress, particularly for focus sessions, study periods, or managing workdays.
- Visual countdown timer
- Time represented as a filling grid
- Customizable duration or time range
- Multiple themes available
- Minimalist overlay design
- No notifications or ads
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iWorkUntil turns the time you have left into something you can actually see — every minute is a visible block, the grid fills as time passes, and one glance tells you where you stand in the day, the session, or the workday. Built for anyone who'd rather see time than read it. Especially good for ADHD focus sessions, deep-work blocks, study time, and any moment where "how long left?" is the question that matters. No accounts. No ads. No notifications. No streaks to break. No AI nagging. Just time, made visible. WHAT IT DOES • Visual countdown — your time as a grid of blocks that fills as it passes • Pick a duration (e.g. 25 minutes) or a range (e.g. 9 to 5) • Each block represents a slice of your time — at a glance, you know where you are • Choose a theme that fits your screen • Lives in the corner — never in the way WHO IT'S FOR • Anyone who loses track of time when they're focused • Visual thinkers who do better with shapes than with numbers • Pomodoro and deep-work sessions that need a clear stop signal • Workdays, homework, study breaks, screen-time wind-down • Cooking, exercise, meetings, presentations — anything time-boxed WHAT IT DOESN'T DO • No notifications. No dings. No dopamine traps. • No accounts, no logins, no data collection. • No ads, no subscriptions, no upsells. • No AI, no streaks, no guilt. A visual countdown that shows you time, instead of telling you about it. Available in 11 languages: English, German, French, Spanish, Dutch, Polish, Hungarian, Russian, Danish, Swedish, Slovenian.
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
iWorkUntil and Stack are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | iWorkUntil | Stack |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 8 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 16.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 50 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | David Klausz | SouthIndus Labs |
In-app purchases
iWorkUntil
No in-app purchases
Stack
No in-app purchases









