Blue Hour vs Aven Tasks
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Blue Hour
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Blue Hour turns time into light: a sun sinks toward the horizon as your timer runs, so you can feel how much is left without reading a number. Built kindly for ADHD and time-blindness, calm enough for classrooms and kids. No account, no ads, no streaks. Free forever, with a tip jar in Settings. RAISE THE SUN Drag the sun up to set your time, one minute to three hours, with soft detents you can feel. Prefer numbers? Tap the readout for a keypad. Three preset chips keep your rituals one tap away. THE SETTLING DUSK As the last light falls, the sky deepens and the screen dims a few gentle stops. At zero: two slow breaths of glow, a soft haptic, and an optional two-note chime. No alarm slam. Ever. THE LIGHT FOLLOWS YOU A Live Activity keeps the sinking sun on your Lock Screen and in the Dynamic Island. An optional nudge can tell you when time is up, even if you have looked away. Off by default. CYCLES, GENTLY Pomodoro in Blue Hour's language: work while the sun sets, then the break is a sunrise. The sky returns to morning, and the next round starts when you do. Rounds are counted in little suns, never quotas. START FROM ANYWHERE A Home Screen widget starts your usual timer in one tap. Siri and Shortcuts can start, pause, and resume without opening the app. FOR CLASSROOMS One tap opens the big display: a wall-sized countdown calm enough for a whole room, with a classroom preset set from one to twenty minutes. A QUIET LINE EACH DAWN Every day the idle sky carries one line from 412 public-domain quotations. Seneca, Thoreau, Lao Tzu, old proverbs. One per day. No feed, no push, no hustle. CALM BY CONSTRUCTION • Optional halfway and final-minute cues • Keeps the screen awake while the light falls, if you want • Wall-clock accurate: background it, come back, the light agrees • VoiceOver, Reduced Motion, and Dynamic Type are first-class FREE FOREVER Every feature, free. No premium tier, no subscription. If Blue Hour earns a place on your Home Screen, there is a tip jar in Settings. It unlocks nothing. PRIVATE BY ARCHITECTURE No account. No analytics. No tracking. Blue Hour makes zero network calls, and its App Store privacy label is "Data Not Collected," the rare kind that means exactly what it says. The light keeps track for you.
Aven Tasks
Manage your tasks locally on your iPhone with end-to-end encrypted syncing. Organize work across projects, capture details, and access your data offline. Set up sync with Aven Cloud or your own server.
- Local-first task management
- End-to-end encrypted sync
- Custom sync server option
- Offline task access
- Task creation and editing
- Markdown support
- Image attachments
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Aven brings your local-first task workflow to iPhone. Sync it end-to-end encrypted with Aven on your computer, through Aven Cloud or a sync server you run yourself. YOUR QUEUE, ON THE GO - See work across projects, grouped by Needs action, Available, Focus, Soon, Triage, Blocked, Later, and Epics - Browse all tasks in a project or workspace, with sorting, filters, and search - Switch workspaces and browse projects - Search tasks stored on this iPhone CAPTURE AND UPDATE WORK - Create tasks with a title, project, status, priority, due date, labels, and description - Edit task fields, swipe to complete or snooze, and long-press to set due dates KEEP THE CONTEXT - Read Markdown descriptions, notes, and activity - Follow task relationships and epic membership - View synced image attachments LOCAL-FIRST BY DESIGN - After pairing and the initial sync, browse, search, create, and edit tasks offline - Changes stay on your iPhone and sync when you're back online - Review sync conflicts when edits meet PRIVATE SYNC Tasks are encrypted on your devices before upload, so neither Aven Cloud nor your own server can read them. SET UP BEFORE YOU START Set up sync in Aven on your computer, using Aven Cloud (free preview) or your own Aven sync server. Then scan or paste a pairing invitation on your iPhone. Aven has no subscriptions or in-app purchases.
Screenshots
Verdict
The clearest difference is in-app purchases: Aven Tasks at none against Blue Hour's 3. Aven Tasks also leads on iOS requirement (18.0 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. Blue Hour sells 3 one-off in-app purchases. Aven Tasks asks for nothing beyond the download.
| Parameter | Blue Hour | Aven Tasks |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | — | Daily |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 26.0 | 18.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Moses Smith | Zendit Oy |
In-app purchases
Blue Hour
- Coffee$1.99
- Lunch$4.99
- Legend$9.99
Aven Tasks
No in-app purchases









