# Mars vs Hang Line

The clearest difference is monetization model: Mars at free with in-app purchases against Hang Line's subscription. Mars also leads on review sentiment (91% vs 68%) and rating (4.8 vs 4.6). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Mars sells 10 one-off in-app purchases and Hang Line sells 11 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Mars holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 22K and 18K respectively. Written reviews point the same way: 91% of Mars's written reviews are positive against 68% of Hang Line's.

Mars ships an update monthly, Hang Line every 3 weeks. Both last shipped on November 2, 2026.

## The numbers

| Metric | Mars | Hang Line |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (22K ratings)](https://appshunter.io/ios/app/mars-mars/id1108964305/reviews)** | [4.6 (18K ratings)](https://appshunter.io/ios/app/hang-line-mountain-climber/id1372005090/reviews) |
| Number of ratings | **22K** | 18K |
| Positive reviews | **90.7% of reviews** | 68.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 256 MB | 743 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Pomelo Games](https://appshunter.io/developer/899606172) | [Yodo1 Games](https://appshunter.io/developer/691012734) |

## What reviewers say

### Mars

[App page](https://appshunter.io/ios/app/mars-mars/id1108964305)

Embark on a thrilling space adventure as a volunteer on a mission to Mars. Pilot a jetpack to explore the Martian surface, capture unique selfies, and navigate the challenges of interplanetary travel. Prove the doubters wrong and make history on this groundbreaking expedition.

**Highlights:** Explore Mars on a jetpack, Take selfies on Mars, Avoid Rapid Unscheduled Disassemblies, Discover Martian sights, Volunteer for a space mission

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Arnold | $0.99 | one-time |
| Little Martha | $0.99 | one-time |
| Marselot | $0.99 | one-time |
| Nigiri | $0.99 | one-time |
| Ufo | $0.99 | one-time |
| Discman | $0.99 | one-time |
| Kestrel 5 | $0.99 | one-time |
| Eagle | $0.99 | one-time |
| Stephen | $3.99 | one-time |
| El Dorado | $3.99 | one-time |

**What reviewers like**

- 🚀 Simple and addictive gameplay
- 👍 Relaxing and calming experience
- 👍 Variety of unique characters with different themes
- 👍 Optional ads that provide rewards
- 👍 Offline playability

**What reviewers complain about**

- 🐛 Occasional crashes and bugs
- 🔁 Repetitive and can get boring over time
- 🔁 Lack of difficulty progression
- 🔁 Duplicate character unlocks can be frustrating

**Reported bugs**

- Crashes when taking selfies
- Streak resets when returning to a previous level
- Inconsistent controls and fuel usage

**Requested features**

- Add new planets and environments to explore
- Introduce different gameplay modes (e.g., time trials, challenges)
- Allow players to customize platforms and backgrounds
- Implement a way to revisit previous levels


### Hang Line

[App page](https://appshunter.io/ios/app/hang-line-mountain-climber/id1372005090)

Embark on an extreme rope swing adventure up treacherous icy mountains. Use your grappling hook to rescue survivors while dodging falling hazards and escaping mountain predators. Unlock special gear and helicopters to reach new heights.

**Highlights:** Grappling hook mechanics, Survivor rescue missions, Dodge falling hazards, Unlockable helicopters and gadgets, Multiple mountain environments and levels, Endless mountain modes

**Features:** Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hang Line VIP Service | $3.99 | per 7 days |
| Handful of gold coins | $0.99 | one-time |
| Radar | $0.99 | one-time |
| Thruster | $0.99 | one-time |
| Grip-Hook | $0.99 | one-time |
| Repulsor | $0.99 | one-time |
| Stasis Field | $0.99 | one-time |
| Starter Pack | $0.99 | one-time |
| Ice blast | $0.99 | one-time |
| Bucket of gold coins | $1.99 | one-time |
| Survival Pack | $1.99 | one-time |

**What reviewers like**

- 🚀 Fun and addictive gameplay
- 👍 Challenging levels with new mechanics
- 💡 Unique swinging mechanics
- 👍 Smooth and polished gameplay
- 👍 No intrusive ads

**What reviewers complain about**

- 🐛 Occasional crashes or freezes
- 🐛 Progression issues (unable to unlock new levels)
- 🔋 Battery drain issues
- 💰 Microtransactions for power-ups
- 📜 Lack of English language support

**Reported bugs**

- Levels not unlocking properly after completion
- Coins/currency disappearing after earning in endless mode
- Game freezing on loading screens
- Incorrect level completion percentages

**Requested features**

- More levels and worlds to explore
- Additional character and helicopter customization options
- Ability to disable ads by paying a one-time fee
- Syncing progress across multiple devices
- More varied gameplay modes (e.g., racing, endless, etc.)


## Frequently asked questions

### Is Mars free?

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

### Is Hang Line free?

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

### Which has better reviews, Mars or Hang Line?

Mars is rated higher. Mars averages 4.8 out of 5 from 22K ratings, while Hang Line averages 4.6 from 18K ratings.

### Do Mars or Hang Line have ads?

Both Mars and Hang Line show ads.

### Which is updated more often, Mars or Hang Line?

Mars ships an update monthly, and Hang Line every 3 weeks. Most recently, Mars was updated on November 2, 2026 and Hang Line on November 2, 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.*