UnTask vs Impossible Notes
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
UnTask
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UnTask helps you focus on just one thing. No lists. No timers. No pressure to be productive. UnTask is a single-task app designed to help you stay present with what youβve chosen to do β and nothing else. Instead of juggling tasks, UnTask asks a simple question: What is the one thing youβre doing right now? What UnTask offers - Focus on one active task at a time - Write task descriptions using Markdown - Home Screen widgets for quick access - A calm, minimal interface - No accounts, no tracking, no ads - Everything stays on your device β or syncs between your devices via iCloud - Mirror your Reminders app directly in UnTask (enables cross-platform sync and sharing tasks) UnTask isnβt about doing more. Itβs about doing less β better. If you want a quieter relationship with your tasks and fewer decisions competing for your attention, UnTask is built for you.
Impossible Notes
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Notes that won't let you forget. Unfinished tasks resurface daily until you complete them. Finally, a notes app that holds you accountable. Impossible Notes is designed to eliminate silent forgetting. Every note starts unfinished. If you do not mark it done, it comes back. Every day. Unfinished notes automatically resurface at the top of your list and can trigger a single daily reminder. Finished notes move to your Done archive, keeping your active list focused. KEY FEATURES β’ Daily resurfacing of unfinished notes β’ One focused daily reminder β’ Mark done to stop resurfacing β’ Optional one-day snooze β’ Fast full-text search β’ Works fully offline β’ Local-first notes with no account required β’ Optional one-time Remove Ads purchase DESIGNED FOR FOCUS Impossible Notes is intentionally minimal. There are no folders, priorities, or tags. The app trusts time instead of structure. If something matters, it will keep coming back. PRIVACY AND ADS Your notes and note content stay on your device and are not uploaded by Impossible Notes. The free version may show third-party advertising on list screens. Advertising partners may process device and usage data subject to your consent and their policies. You can manage advertising privacy choices or permanently remove ads in Settings. See our Privacy Policy for details. If you are tired of losing important thoughts in endless lists, Impossible Notes makes forgetting impossible.
Screenshots
Verdict
The clearest difference is in-app purchases: Impossible Notes at none against UnTask's 1. Impossible Notes also leads on iOS requirement (15.1 vs 26.0). UnTask's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. UnTask sells 1 one-off in-app purchase. Impossible Notes asks for nothing beyond the download.
UnTask ships an update fortnightly, Impossible Notes every 2 weeks. The most recent releases landed on September 15, 2026 and September 10, 2026 respectively.
| Parameter | UnTask | Impossible Notes |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly β better | Every 2 weeks |
| Ads | No β better | Yes |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPad, Mac, Apple Watch β better | iPhone, iPad, iPod |
| Requires iOS | 26.0 | 15.1 β better |
| Further details β not scored | ||
| Size | 32 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | AI Garden Ltd | Storq Labs BV |
In-app purchases
UnTask
- Unlock Premium Features$4.99
Impossible Notes
No in-app purchases
Questions
Is UnTask free?
Is Impossible Notes free?
Do UnTask or Impossible Notes have ads?
Which is updated more often, UnTask or Impossible Notes?
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