# Save the Mars vs Aphelion

The clearest difference is in-app purchases: Save the Mars at none against Aphelion's 1. Save the Mars also leads on ads (none vs shown) and iOS requirement (6.0 vs 16.0). Aphelion's advantage is update cadence (every 2 days vs every 10 months). On price and device support there is nothing between them.

Both are free to download. Aphelion sells 1 one-off in-app purchase. Save the Mars asks for nothing beyond the download.

Save the Mars ships an update every 10 months, Aphelion every 2 days. The most recent releases landed on October 26, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Save the Mars | Aphelion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (18 ratings)](https://appshunter.io/ios/app/aphelion-gravity-puzzles/id6783244546/reviews)** |
| Number of ratings | — | **18** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 53 MB | 29 MB |
| Requires iOS | **6.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Han Dol Kim](https://appshunter.io/developer/1171642129) | [JIUSONG GAO](https://appshunter.io/developer/6783244548) |

## What reviewers say

### Save the Mars

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Aphelion

[App page](https://appshunter.io/ios/app/aphelion-gravity-puzzles/id6783244546)

Guide a comet through celestial bodies and obstacles using precise flicks. Solve physics-based puzzles across five distinct chapters with over 50 handcrafted levels. Experience a minimalist, timer-free approach to space exploration.

**Highlights:** Flick-based aiming and trajectory control, Gravity-driven orbital mechanics, 50 handcrafted levels across 5 chapters, Minimalist, timer-free gameplay, Steer comets and capture celestial bodies

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Hints | $3.99 | one-time |


## Frequently asked questions

### Is Save the Mars free?

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

### Is Aphelion free?

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

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

Aphelion shows ads; Save the Mars does not.

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

Save the Mars ships an update every 10 months, and Aphelion every 2 days. Most recently, Save the Mars was updated on October 26, 2026 and Aphelion on October 31, 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.*