# Save The Earth. vs Let's Dance Robot

The clearest difference is rating: Let's Dance Robot at 5.0 against Save The Earth.'s 4.5. Let's Dance Robot also leads on in-app purchases (none vs 1) and update cadence (weekly vs every 2 weeks). Save The Earth.'s advantage is ads (none vs shown) and iOS requirement (10.0 vs 18.6). On price, ratings volume and device support there is nothing between them.

Both are free to download. Save The Earth. sells 1 one-off in-app purchase. Let's Dance Robot asks for nothing beyond the download.

Let's Dance Robot holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 5 respectively.

Save The Earth. ships an update every 2 weeks, Let's Dance Robot weekly. The most recent releases landed on September 23, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Save The Earth. | Let's Dance Robot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/save-the-earth/id1273288827/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/lets-dance-robot/id6755852848/reviews)** |
| Number of ratings | 2 | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 24 MB | 30 MB |
| Requires iOS | **10.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Ca Li Sa](https://appshunter.io/developer/1230458305) | [NG Tech LLC](https://appshunter.io/developer/1856725996) |

## What reviewers say

### Save The Earth.

[App page](https://appshunter.io/ios/app/save-the-earth/id1273288827)

Protect Earth from incoming meteoroids and alien ships by skillfully maneuvering the planet. Utilize gravity to make celestial bodies collide and destroy threats. Compete for the longest survival time and share your high scores with friends.

**Highlights:** Tap to move Earth, Use gravity for destruction, Survive as long as possible, Share scores on social media, Cute graphics, Eye-relaxing dark mode

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |


### Let's Dance Robot

[App page](https://appshunter.io/ios/app/lets-dance-robot/id6755852848)

Control a dancing robot with various interactive modes. Choose dances, customize your robot, or use gestures to make it move in real-time to different music tracks. Experience physics-driven animations and a dynamic visual aura.

**Highlights:** Classic dance mode, Live gesture control, Physics-driven robot animation, Three background music tracks, Offline gameplay, Robot customization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Save The Earth. free?

Save The Earth. is free to download, with in-app purchases available.

### Is Let's Dance Robot free?

Let's Dance Robot is free to download, with no in-app purchases.

### Which has better reviews, Save The Earth. or Let's Dance Robot?

Let's Dance Robot is rated higher. Save The Earth. averages 4.5 out of 5 from 2 ratings, while Let's Dance Robot averages 5.0 from 5 ratings.

### Do Save The Earth. or Let's Dance Robot have ads?

Let's Dance Robot shows ads; Save The Earth. does not.

### Which is updated more often, Save The Earth. or Let's Dance Robot?

Save The Earth. ships an update every 2 weeks, and Let's Dance Robot weekly. Most recently, Save The Earth. was updated on September 23, 2026 and Let's Dance Robot on October 15, 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.*