How Deep Is It? vs Quadrant Task Manager
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
How Deep Is It?
Explore physics concepts hands-on with this app. It uses your device's accelerometer to demonstrate falling body equations, allowing you to visualize and hear the distance traveled. Experience classic physics principles in an interactive way.
- Illustrates falling body equations
- Uses device accelerometer
- Large text distance display
- Audio feedback for distance
- Ad-free experience
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Physics AND fun! This app helps illustrate one of the most common falling body equations with your very own accelerometer-enabled device. Experience for yourself, in a hands-on way, how far your device has traveled using the classic physics equation: d = ½gt² Features: • See the distance with large text display • Hear the distance with audio feedback • Still ad-free as always!
Quadrant Task Manager
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uadrant Task Manager - Focus on What Truly Matters Transform how you manage tasks with the proven Eisenhower Matrix method. This powerful productivity app helps you organize tasks into four quadrants based on urgency and importance, ensuring you always focus on what truly drives results. Key Features: Smart Task Organization - Visual four-quadrant interface (Urgent/Important matrix) - Drag-and-drop task management - Clear priority visualization - Instant task categorization Built-in Focus Timer - 25-minute focus sessions with 5-minute breaks - Customizable timer settings - Audio notifications - Link focus sessions to specific tasks Comprehensive Analytics - Track daily, weekly, and monthly completion rates - Visualize time spent in each quadrant - Monitor focus session statistics - Identify productivity patterns and trends Multi-Language Support - Available in 7 languages: English, Traditional Chinese, Simplified Chinese, Japanese, Korean, Spanish, and French - Seamless language switching Reliable Data Storage - Local SQLite database for privacy and security - Works offline - no internet required - Fast and responsive performance - Your data stays on your device Clean, Intuitive Design - Modern, distraction-free interface - Dark mode support - Smooth animations - Optimized for one-handed use Why Quadrant Task Manager? Stop drowning in endless to-do lists. The Eisenhower Matrix helps you distinguish between what's truly important and what just seems urgent. By focusing on Quadrant 2 (Important but Not Urgent) tasks, you'll make real progress on your goals instead of just putting out fires. Perfect for: - Professionals managing multiple projects - Students balancing coursework and activities - Entrepreneurs prioritizing business growth - Anyone seeking better work-life balance The Eisenhower Principle: "What is important is seldom urgent, and what is urgent is seldom important." Download now and discover how the Eisenhower Matrix can help you achieve your goals. Free to use with no ads or subscriptions required. Take control of your time. Focus on what matters. Get things done.
Screenshots
Verdict
The clearest difference is ads: How Deep Is It? at none against Quadrant Task Manager's shown. How Deep Is It? also leads on iOS requirement (7.0 vs 15.0). Quadrant Task Manager's advantage is update cadence (every 6 days vs every 18 months). On price, 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.
How Deep Is It? ships an update every 18 months, Quadrant Task Manager every 6 days. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.
| Parameter | How Deep Is It? | Quadrant Task Manager |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (13 ratings) — better | — |
| Positive reviews | 57.1% of reviews | — |
| Number of ratings | 13 — better | — |
| Update frequency | Every 18 months | Every 6 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 7.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 15 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Tom Soderling | Zhegang Xu |
In-app purchases
How Deep Is It?
No in-app purchases
Quadrant Task Manager
No in-app purchases
Questions
Is How Deep Is It? free?
Is Quadrant Task Manager free?
Do How Deep Is It? or Quadrant Task Manager have ads?
Which is updated more often, How Deep Is It? or Quadrant Task Manager?
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