Comparison

Mars vs Hang Line

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Mars

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
Read full description

MarsCorp is ready to take the first group of volunteers on an exciting mission to Mars! Fly around Mars in one of our brand new jetpacks and discover what’s out there. As part of the “Put A Human On Mars No Matter What” program, we are proud to announce that MarsCorp is the first company cutting enough corners to make human flights to Mars finally viable. So-called “professional” astronauts will tell you things like “No sane person would travel across space on that thing” or “The fuel on that jetpack lasts about 30 seconds”, but you can prove them wrong! Here’s your chance to make history! - Explore Mars on a jetpack. - Take selfies on Mars's greatest sightings. - Avoid Rapid Unscheduled Disassemblies. - Have fun!

About

Hang Line

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
Read full description

Grapple hook your way up fiendish icy mountains in this unique action-packed climbing game where disaster can strike at any moment! BE THE HERO - armed with your trusty grappling hook, risk it all to RESCUE SURVIVORS from researchers to royalty, as the mountain falls apart around you. GRAPPLE and SWING over treacherous terrain – DODGE falling boulders, ice, and molten lava, and ESCAPE from the clutches of billy goats and deadly mountain lions. Game Features - Swing high – 5 dangerous mountain environments with over 50 levels - The grapple that keeps on giving – 4 endless mountain modes - Rescue in style – unlock special helicopters to take you to the peaks - Save the Queen – Over 90 unique characters to find and rescue - Don’t forget to stretch – Lightning fast acrobatic stunts - Always be prepared – earn high-tech gadgets like jetpacks and stasis fields ------------------------------------------------------------------- Hang Line VIP Service Subscription Terms and Conditions: Compliment your mountaineering enthusiasm and skill with the Hang Line VIP service! You can even try before you buy – take this pro climber kit for a swing with a free 3 day trial! Priced at 3.99 USD, this weekly subscription gives you multiple advantages, from tech-y tools to player perks: [Free VIP Character] Unlock Gadget-Man [Free VIP Helicopter] Unlock Gadget-Mobile [Free Gadgets] Day 1 - Day 6: Radar (1), Thruster (1), Repulsor (1), Stasis Field (1), Grip-Hook (1) Day 7: Radar (3), Thruster (3), Repulsor (3), Stasis Field (3), Grip-Hook (3) This price is for United States customers. Pricing in other countries may vary and actual charges may be converted to your local currency depending on the country of residence. How this subscription is processed – please read the TERMS below: (1) Payment will be charged to iTunes Account at confirmation of purchase. (2) Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. (3) Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. (4) Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase. (5) Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Privacy Policy: https://terms.yodo1.com/privacy/ios/com.yodo1.hangline/en/ Terms of Use: https://terms.yodo1.com/terms-of-service/ios/com.yodo1.hangline/en/

Screenshots

Mars4 screens
Hang Line4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Mars ships an update monthly, Hang Line every 3 weeks. Both last shipped on November 1, 2026.

Scorecard4 real differences · 6 level
Mars versus Hang Line: the parameters behind the verdict, then further details
ParameterMarsHang Line
PriceFreeFree
Rating4.8 (22K ratings) — better4.6 (18K ratings)
Positive reviews90.7% of reviews — better68.5% of reviews
Number of ratings22K — better18K
Update frequencyMonthlyEvery 3 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPad, iPod, Apple TV — betteriPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size256 MB743 MB
Age rating9+4+
DeveloperPomelo GamesYodo1 Games

Customer experience

Mars

All ratings21,739 ratings
Positive96.7%
Neutral1.8%
Negative1.5%
Written reviews1,811 reviews
Positive90.7%
Neutral3.3%
Negative6.0%

Hang Line

All ratings17,976 ratings
Positive89.9%
Neutral5.1%
Negative5.0%
Written reviews479 reviews
Positive68.5%
Neutral8.8%
Negative22.8%

User reviews

Mars

From 22K App Store ratings

What we love

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

Room to improve

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

Hang Line

From 18K App Store ratings

What we love

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

Room to improve

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

Bugs and requests

Mars

Reported bugs

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

Requested features

4 requests
  • 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

Reported bugs

4 issues
  • 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

5 requests
  • 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.)

In-app purchases

10 purchases

Mars

One-time10
  • Arnold$0.99
  • Little Martha$0.99
  • Marselot$0.99
Show 7 more
  • Nigiri$0.99
  • Ufo$0.99
  • Discman$0.99
  • Kestrel 5$0.99
  • Eagle$0.99
  • Stephen$3.99
  • El Dorado$3.99
11 purchases

Hang Line

Subscriptions1
  • Hang Line VIP Service3 Days trial$3.997 Days
One-time10
  • Handful of gold coins$0.99
  • Radar$0.99
  • Thruster$0.99
Show 7 more
  • Grip-Hook$0.99
  • Repulsor$0.99
  • Stasis Field$0.99
  • Starter Pack$0.99
  • Ice blast$0.99
  • Bucket of gold coins$1.99
  • Survival Pack$1.99

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 1, 2026 and Hang Line on November 1, 2026.

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