# DrakeEQ vs 天球模擬器

The clearest difference is price: 天球模擬器 at Free against DrakeEQ's $0.99. 天球模擬器 also leads on update cadence (every 3 days vs every 5 months) and iOS requirement (13.0 vs 17.5). On ads, in-app purchases and device support there is nothing between them.

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

DrakeEQ ships an update every 5 months, 天球模擬器 every 3 days. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | DrakeEQ | 天球模擬器 |
| --- | --- | --- |
| 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 | **Every 3 days** |
| Monetization | Paid | — |
| Size | 8 MB | 19 MB |
| Requires iOS | 17.5 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Onomaly LLC](https://appshunter.io/developer/314686981) | [Han-Chiang Chou](https://appshunter.io/developer/1883578938) |

## 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


### 天球模擬器

[App page](https://appshunter.io/ios/app/id6760458030)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DrakeEQ free?

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

### Is 天球模擬器 free?

天球模擬器 is free to download, with no in-app purchases.

### Do DrakeEQ or 天球模擬器 have ads?

Neither DrakeEQ nor 天球模擬器 shows ads.

### Which is updated more often, DrakeEQ or 天球模擬器?

DrakeEQ ships an update every 5 months, and 天球模擬器 every 3 days. Most recently, DrakeEQ was updated on October 24, 2026 and 天球模擬器 on October 16, 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.*