# DrakeEQ vs iFox Observatory

The clearest difference is price: iFox Observatory at Free against DrakeEQ's $0.99. iFox Observatory also leads on iOS requirement (15.1 vs 17.5). On ads, in-app purchases and device support there is nothing between them.

iFox Observatory is free to download; DrakeEQ costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | DrakeEQ | iFox Observatory |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[2.7 (3 ratings)](https://appshunter.io/ios/app/drakeeq/id314827795/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Monetization | Paid | — |
| Size | 8 MB | 37 MB |
| Requires iOS | 17.5 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Onomaly LLC](https://appshunter.io/developer/314686981) | [宁 王](https://appshunter.io/developer/431513082) |

## What reviewers say

### DrakeEQ

[App page](https://appshunter.io/ios/app/drakeeq/id314827795)

Explore the possibility of extraterrestrial life with a visually stunning calculator based on the Drake Equation. This app allows you to manipulate the equation's parameters and visualize galaxies in motion, offering an educational and entertaining experience.

**Highlights:** Drake Equation calculator, Interactive 7 parameter manipulation, Beautiful 3D galaxy visualizations, Galaxene Galaxy Engine, Educational and entertaining simulator, Universe exploration

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

**In-app purchases:** none


### iFox Observatory

[App page](https://appshunter.io/ios/app/ifox-observatory/id6772693497)

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

**In-app purchases:** none


## Frequently asked questions

### Is DrakeEQ free?

DrakeEQ costs $0.99, with no in-app purchases.

### Is iFox Observatory free?

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

### Do DrakeEQ or iFox Observatory have ads?

Neither DrakeEQ nor iFox Observatory shows ads.

---

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