# To Mars vs Roia

The clearest difference is price: To Mars at Free against Roia's $2.99. To Mars also leads on review sentiment (100% vs 60%). Roia's advantage is ads (none vs shown) and rating (3.5 vs 3.0). On in-app purchases there is nothing between them.

To Mars is free to download; Roia costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Roia holds the better App Store score, 3.5 against 3.0. Both are backed by a comparable volume of ratings — 6 and 24 respectively. Written reviews complicate that: 100% of To Mars's written reviews are positive against 60% of Roia's, so the app with the better star average is not the one people write more warmly about.

To Mars ships an update every 3 weeks, Roia every 10 days. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | To Mars | Roia |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [3.0 (6 ratings)](https://appshunter.io/ios/app/to-mars/id1352514880/reviews) | **[3.5 (24 ratings)](https://appshunter.io/ios/app/roia/id1610097424/reviews)** |
| Number of ratings | 6 | **24** |
| Positive reviews | **100.0% of reviews** | 59.5% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | **Ad-supported** | Paid |
| Best chart rank | — | **#193** |
| Size | 171 MB | 213 MB |
| Requires iOS | 16.2 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Todd Studer](https://appshunter.io/developer/1332508621) | [Tobias Sturn](https://appshunter.io/developer/561848403) |

## What reviewers say

### To Mars

[App page](https://appshunter.io/ios/app/to-mars/id1352514880)

A retro puzzle and simulation game where players must strategically load a rocket with resources and crew to colonize Mars. Manage fuel, supplies, and mission timing to ensure a successful landing and establish a new home on the red planet.

**Highlights:** Retro puzzle and simulation gameplay, Resource management for colonization, Rocket loading and launch mechanics, Space travel and landing simulation, Building and survival elements, Timed challenges

**In-app purchases:** none


### Roia

[App page](https://appshunter.io/ios/app/roia/id1610097424)

**Currently charting:** #193 Top Paid · Puzzle (US App Store)

Guide a river's flow from its source to the sea by shaping the terrain. Explore diverse landscapes with a bird companion, experiencing the serenity of nature through innovative gameplay and unique visuals.

**Highlights:** Sculpt terrain to guide water flow, Explore handcrafted landscapes, Innovative game mechanics, Minimalistic graphics, Original composed music

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

**In-app purchases:** none

**What reviewers like**

- ✨ Beautiful visuals and art style
- 🎵 Lovely soundtrack and relaxing atmosphere
- 🧠 Clever and thought-provoking gameplay
- 💡 Unique sandbox/discovery-based gameplay
- 🎮 Satisfying water physics and flow

**What reviewers complain about**

- ⏳ Too short/quick to beat
- 🤔 Unintuitive gameplay/objectives
- 🕹️ Controls can be difficult/unpredictable
- 🗺️ Lack of guidance/clarity on objectives
- 🔄 Painful/slow restart process

**Reported bugs**

- Water disappears in lakes
- Water sources stop spawning when out of view
- Levels are locked after purchase
- Unable to proceed beyond certain levels (e.g., level 8, chapter 3, chapter 6)
- Screen jams or freezes

**Requested features**

- Ability to rotate view for intricate flow paths
- More clarity on objectives/hints
- More levels/chapters
- Option to explore entire stream after finishing
- Overview of accomplishments at the end


## Frequently asked questions

### Is To Mars free?

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

### Is Roia free?

Roia costs $2.99, with no in-app purchases.

### Which has better reviews, To Mars or Roia?

Roia is rated higher. To Mars averages 3.0 out of 5 from 6 ratings, while Roia averages 3.5 from 24 ratings.

### Do To Mars or Roia have ads?

To Mars shows ads; Roia does not.

### Which is updated more often, To Mars or Roia?

To Mars ships an update every 3 weeks, and Roia every 10 days. Most recently, To Mars was updated on October 29, 2026 and Roia on October 30, 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.*