# How Deep Is It? vs Field

The clearest difference is update cadence: Field at every 3 months against How Deep Is It?'s every 18 months. How Deep Is It?'s advantage is iOS requirement (7.0 vs 13.0). On price, ads, 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, Field every 3 months. The most recent releases landed on October 21, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | How Deep Is It? | Field |
| --- | --- | --- |
| 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 | No |
| Update frequency | Every 18 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 15 MB | 229 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tom Soderling](https://appshunter.io/developer/955364124) | [Dassault Aviation](https://appshunter.io/developer/449153710) |

## 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


### Field

[App page](https://appshunter.io/ios/app/field-3d/id1615572252)

**Features:** macOS Compatibility

**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 Field free?

Field is free to download, with no in-app purchases.

### Do How Deep Is It? or Field have ads?

Neither How Deep Is It? nor Field shows ads.

### Which is updated more often, How Deep Is It? or Field?

How Deep Is It? ships an update every 18 months, and Field every 3 months. Most recently, How Deep Is It? was updated on October 21, 2026 and Field on October 18, 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.*