SlipBox vs TimeLeftWidget
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SlipBox
This app helps you build a structured web of knowledge using the Zettelkasten method. Its minimalist design and continuous scrolling interface encourage active recall and pattern recognition for deep cognitive work. Your notes are stored locally for privacy.
- Continuous scroll interface
- Zettelkasten method implementation
- Intentional tagging system
- Minimalist design
- Privacy-first, local storage
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Stop burying your ideas in digital graveyards and start building a structured web of knowledge with the original Zettelkasten method. SlipBox is a minimalist note-taking tool designed for those who value intentionality over automation. By digitizing Niklas Luhmann’s legendary paper-and-pen system, SlipBox replaces complex folders and confusing backlinks with a unique, continuous scrolling interface. This design forces you to physically move through your ideas, facilitating the active recall and spontaneous pattern recognition necessary for deep cognitive work. Key Features for Your Second Brain: Continuous Scroll Interface View your notes in a single, fluid stream to rediscover forgotten insights and spark new ideas. The Luhmann Workflow A digital implementation of the Zettelkasten method that respects the principle of atomicity (one idea per card). Intentional Tagging Organize notes manually to build deep mental maps and avoid the "out of sight, out of mind" trap of folders. Minimalist Design No steep learning curves or bloated features, just you and your knowledge. Privacy-First & Local Your data stays on your device, ensuring your private thoughts remain truly private. Build a knowledge system that grows with you. Turn your fleeting notes into a structured, permanent repository of thought with SlipBox.
TimeLeftWidget
Visualize your time with elegant progress bars on your home and lock screens. Track the progress of your day, week, month, and year to stay motivated and focused on what matters most.
- Visual progress bars
- Track day, week, month, year
- Lock screen widgets
- Minimalist design
- Motivational tool
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Where did all the time go? Time is invisible, so we often waste it. 'TimeLeft' makes time visible. Track the progress of your Day, Week, Month, and Year with beautiful progress bars right on your Lock Screen and Home Screen.Where did all the time go? Key Features: • Visual Progress Bars: See the percentage of time passed at a glance. • Various Time Units: Track Today, This Week, This Month, and This Year. • Lock Screen Widgets: Check your remaining time without unlocking your phone. • Minimalist Design: Clean and aesthetic widgets that fit any wallpaper. • Motivation: Feel the urgency and focus on what truly matters. Don't let your time slip away. Download TimeLeft and seize the day!
Screenshots
Verdict
The clearest difference is price: SlipBox at $0.99 against TimeLeftWidget's $3.99. SlipBox also leads on chart position (#188 vs unranked). TimeLeftWidget's advantage is review sentiment (100% vs 88%) and update cadence (every 10 days vs every 3 weeks). On ads, in-app purchases, monetization model 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
SlipBox costs $0.99 and TimeLeftWidget $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
SlipBox ships an update every 3 weeks, TimeLeftWidget every 10 days. The most recent releases landed on September 19, 2026 and September 10, 2026 respectively.
| Parameter | SlipBox | TimeLeftWidget |
|---|---|---|
| Price | $0.99 — better | $3.99 |
| Rating | 3.3 (3 ratings) — better | — |
| Positive reviews | 87.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | #188 — better | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.2 | 17.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Ozlem AKBUDAK | Jinyoung Song |
Customer experience
SlipBox
TimeLeftWidget
In-app purchases
SlipBox
No in-app purchases
TimeLeftWidget
No in-app purchases





