PlanLine vs Cairn Tasks
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PlanLine
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PlanLine helps you organize your schedule with clear day, week, and month views on iPhone and iPad. Highlights: - Switch between a detailed daily plan, a weekly overview, and a monthly calendar. - Tap a day to see its tasks and move between weeks and months. - Capture unscheduled tasks in your inbox and plan them when you are ready. - Create recurring routines and manage individual occurrences. - Track your planning progress with Insights. - Built for iPhone and iPad. - English and Vietnamese support.
Cairn Tasks
Organize your day with a clean, focused to-do list. Create tasks, set due dates, and organize them with color-coded lists. Features include recurring tasks, subtasks, and a built-in timer for focused work sessions. Your data stays local, with no account or cloud sync required.
- Create, edit, and complete tasks
- Set due dates and times
- Organize tasks into color-coded lists
- Recurring tasks
- Subtasks
- Built-in timer
- Month view calendar
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Cairn helps you organize your day with a clean, focused to-do list that stays out of your way. Build your task list one stone at a time. Create tasks, set due dates, organize by color-coded lists, and watch your progress stack up — no account required, no cloud sync to configure, no clutter. KEY FEATURES - Create, edit, and complete tasks with satisfying animations - Set due dates and times to stay on track - Organize tasks into color-coded lists and folders - Recurring tasks that auto-create the next occurrence when completed - Subtasks for breaking big tasks into smaller steps - Built-in timer for focused work sessions - Month view calendar to see your schedule at a glance - Auto-rollover moves unfinished tasks to today so nothing slips through - Search across all your tasks instantly - 6 beautiful color themes to make it yours - Dark mode support YOUR DATA STAYS YOURS Everything is stored locally on your device. No account needed, no sign-up, no data collection. Just open the app and start organizing. SIMPLE BY DESIGN Cairn is built for people who want a to-do app that does its job without overwhelming you with features you will never use. Add a task, check it off, move on with your day.
Screenshots
Verdict
The clearest difference is ads: Cairn Tasks at none against PlanLine's shown. Cairn Tasks also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
PlanLine ships an update every 2 weeks, Cairn Tasks every 9 days. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.
| Parameter | PlanLine | Cairn Tasks |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 weeks | Every 9 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 6 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Hieu Doan | Dacite Dev LLC |
In-app purchases
PlanLine
No in-app purchases
Cairn Tasks
No in-app purchases









