# How Deep Is It? vs Quadrant Task Manager

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.

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.

## The numbers

| Metric | How Deep Is It? | Quadrant Task Manager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (13 ratings)](https://appshunter.io/ios/app/how-deep-is-it/id955364125/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 18 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 15 MB | 20 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tom Soderling](https://appshunter.io/developer/955364124) | [Zhegang Xu](https://appshunter.io/developer/1710880748) |

## What reviewers say

### How Deep Is It?

[App page](https://appshunter.io/ios/app/how-deep-is-it/id955364125)

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.

**Highlights:** Illustrates falling body equations, Uses device accelerometer, Large text distance display, Audio feedback for distance, Ad-free experience

**Features:** macOS Compatibility

**In-app purchases:** none


### Quadrant Task Manager

[App page](https://appshunter.io/ios/app/quadrant-task-manager/id6749241530)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is How Deep Is It? free?

How Deep Is It? is free to download, with no in-app purchases.

### Is Quadrant Task Manager free?

Quadrant Task Manager is free to download, with no in-app purchases.

### Do How Deep Is It? or Quadrant Task Manager have ads?

Quadrant Task Manager shows ads; How Deep Is It? does not.

### Which is updated more often, How Deep Is It? or Quadrant Task Manager?

How Deep Is It? ships an update every 18 months, and Quadrant Task Manager every 6 days. Most recently, How Deep Is It? was updated on October 4, 2026 and Quadrant Task Manager on October 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*