# Save the Mars vs CosmicTap

The clearest difference is in-app purchases: Save the Mars at none against CosmicTap's 10. Save the Mars also leads on ads (none vs shown) and iOS requirement (6.0 vs 13.0). CosmicTap's advantage is update cadence (every 5 days vs every 10 months). On price and device support there is nothing between them.

Both are free to download. CosmicTap sells 10 one-off in-app purchases. Save the Mars asks for nothing beyond the download.

Save the Mars ships an update every 10 months, CosmicTap every 5 days. The most recent releases landed on October 26, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Save the Mars | CosmicTap |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 5 days** |
| Size | 53 MB | 114 MB |
| Requires iOS | **6.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Han Dol Kim](https://appshunter.io/developer/1171642129) | [Finn Mikoschek](https://appshunter.io/developer/1527882660) |

## What reviewers say

### Save the Mars

[App page](https://appshunter.io/ios/app/save-the-mars/id1159420350)

**Features:** macOS Compatibility

**In-app purchases:** none


### CosmicTap

[App page](https://appshunter.io/ios/app/cosmictap/id6740142053)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Slimes | $0.99 | one-time |
| 1000 Meteors | $0.99 | one-time |
| 550 Slimes | $3.99 | one-time |
| 5500 Meteors | $3.99 | one-time |
| 11500 Meteors | $8.99 | one-time |
| 1150 Slimes | $8.99 | one-time |
| 24000 Meteors | $17.99 | one-time |
| 2400 Slimes | $17.99 | one-time |
| 6250 Slimes | $44.99 | one-time |
| 62500 Meteors | $44.99 | one-time |


## Frequently asked questions

### Is Save the Mars free?

Save the Mars is free to download, with no in-app purchases.

### Is CosmicTap free?

CosmicTap is free to download, with in-app purchases available.

### Do Save the Mars or CosmicTap have ads?

CosmicTap shows ads; Save the Mars does not.

### Which is updated more often, Save the Mars or CosmicTap?

Save the Mars ships an update every 10 months, and CosmicTap every 5 days. Most recently, Save the Mars was updated on October 26, 2026 and CosmicTap on November 1, 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.*