Comparison

Mos Speedrun vs Mars Quest

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

Head to head
About

Mos Speedrun

Experience fast-paced retro platforming with 25 challenging stages. Jump, dodge, and race through levels, discover secrets, collect items, and compete for the best speed-run times. Unlock costumes and enjoy a vibrant chip tune soundtrack.

Highlights
  • 25 retro platforming stages
  • Secret areas and collectibles
  • Speed-run time challenges
  • Unlockable costumes
  • Video recording and exporting
  • Game Center leaderboards and achievements
Features
Read full description

“don’t hesitate to give Mos Speedrun a try.” - Touch Arcade (4.5/5) “pick this one up with confidence.” - slidetoplay.com ( 4/4 MUST HAVE! ) “an instant classic, refuelling our primal gaming needs.” - TouchGen ( 4/5 Editors Choice! ) "it's one of those games you'll find yourself continuously playing." - gamezebo.com "Fans of tough platformers .. should jump on this deal immediately." - gamepro.com (9/10) "a compulsive race against yourself" - pocketgamer.co.uk (8/10) "Mos Speedrun is a must-have title and one of the freshest experiences currently on Apple devices." - Daily Record (4/5) Jump, dodge and race Mos through 25 glorious stages of fast paced retro platforming action! With exceptionally clever level design, gorgeous pixellated graphics and solid platform dynamics you'll want to keep playing and playing. Find secret areas, collect the spooky hidden skulls, grab every coin, and, once you get fast, you can try to beat the speed-run time! There really is something for all skill levels, from casual to hard-core gamers. There are 12 cool costumes to unlock throughout the game, see if you can find every spooky ghost and you'll get a new costume for each one. And there's loads more! We have been adding new features regularly ever since we released the game, awesome features like video recording and exporting, game centre scoreboards, lots of achievements, web levels you can download to the game, random twitter taunts, dynamic costumes, and things we can't even remember but were probably awesome! Oh yeah, the amazing chip tune soundtrack will make you weep pixels! This is a universal app for iPhone and iPad. Bargain! RELIVE the golden age of 8 bit graphics and chip tunes! DIE a lot, and be accompanied through the level by hoards of replay ghosts! FIND secret online levels on your favourite web sites! USE the easy to master 2 button control system or classic onscreen d-pad. BE THE BEST on the game center scoreboards, and rack up achievements! RECORD your best speedruns and upload them for the world to see! FIND the secret ghosts to unlock new costumes! Thank you to all our fans for your support, ratings and great reviews. If you enjoy the game please rate us on the Appstore, it really helps us out! follow us online: twitter.com/physmo www.physmo.com

About

Mars Quest

Embark on a challenging retro adventure guiding an astronaut through alien-infested Martian levels. Experience nostalgic 8-bit graphics and music while avoiding obstacles and increasing speed. Compete with friends via Game Center.

Highlights
  • 8-bit retro music
  • Guide astronaut through levels
  • Avoid aliens and obstacles
  • Smart level progression
  • Increasing speed challenges
  • Game Center scores and achievements
Features
Read full description

A must-have if you grew up in the eighties or if you are a C64, Atari, arcade or 8-bit lover. Nostalgic feelings guaranteed! *** REVIEWS *** - SlideToPlay.com: "Mars Quest is a good choice if you need to get your nostalgia on" - AppsOnTapp.com: "a fun and addicting retro game" - AppFavour.com: "Today's Best Apps August 18th 2012" *** WHAT PLAYERS SAY *** - "Super fun game that can be played over and over again. I'm ultra picky about games I let take up valuable space on my iPhone, but this one is a must!" - "A great little arcade game that I enjoy playing" - "Fun game, addictive" - "Once you start, you dont want to stop playing :)" *** FEATURES *** - Game Center scores and achievements - 8-bit retro music - Guide the astronaut safely through all levels - Avoid all aliens and obstacles on Mars - Think smart to advance to the next level - Be careful when the speed level increases!

Screenshots

Mos Speedrun4 screens
Mars Quest4 screens

Verdict

The call

The clearest difference is price: Mars Quest at Free against Mos Speedrun's $0.99. Mars Quest also leads on update cadence (fortnightly vs every 2 months). Mos Speedrun's advantage is rating (4.7 vs 4.0) and in-app purchases (none vs 5). On ratings volume and device support 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

Mars Quest is free to download; Mos Speedrun costs $0.99 up front. Mars Quest sells 5 one-off in-app purchases. Mos Speedrun asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Mos Speedrun holds the better App Store score, 4.7 against 4.0. Both are backed by a comparable volume of ratings — 33 and 91 respectively. Written reviews point the same way: 93% of Mos Speedrun's written reviews are positive against 68% of Mars Quest's.

UpkeepUpdate frequency

Mos Speedrun ships an update every 2 months, Mars Quest fortnightly. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

Scorecard8 real differences · 2 level
Mos Speedrun versus Mars Quest: the parameters behind the verdict, then further details
ParameterMos SpeedrunMars Quest
Price$0.99Free — better
Rating4.7 (33 ratings) — better4.0 (91 ratings)
Positive reviews93.3% of reviews — better68.5% of reviews
Number of ratings3391 — better
Update frequencyEvery 2 monthsFortnightly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better13.0
Further details — not scored
Size46 MB98 MB
Age rating9+12+
DeveloperPhysmoFirst Class Media B.V.

Customer experience

Mos Speedrun

All ratings33 ratings
Positive90.9%
Neutral6.1%
Negative3.0%
Written reviews493 reviews
Positive93.3%
Neutral4.5%
Negative2.2%

Mars Quest

All ratings91 ratings
Positive74.7%
Neutral7.7%
Negative17.6%
Written reviews92 reviews
Positive68.5%
Neutral8.7%
Negative22.8%

Bugs and requests

Mos Speedrun

Reported bugs

2 issues
  • iPhone 5 screen support issues
  • Inconsistent jump responsiveness

Requested features

4 requests
  • More level variety
  • Additional music tracks
  • Checkpoint system
  • Ability to view past speedrun records

Mars Quest

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Mos Speedrun

No in-app purchases

5 purchases

Mars Quest

One-time5
  • Remove advertising$0.99
  • 1 extra life$0.99
  • 5 extra lives$1.99
Show 2 more
  • 10 extra lives$2.99
  • 25 extra lives$4.99

Questions

Is Mos Speedrun free?
Mos Speedrun costs $0.99, with no in-app purchases.
Is Mars Quest free?
Mars Quest is free to download, with in-app purchases available.
Which has better reviews, Mos Speedrun or Mars Quest?
Mos Speedrun is rated higher. Mos Speedrun averages 4.7 out of 5 from 33 ratings, while Mars Quest averages 4.0 from 91 ratings.
Do Mos Speedrun or Mars Quest have ads?
Mars Quest shows ads; Mos Speedrun does not.
Which is updated more often, Mos Speedrun or Mars Quest?
Mos Speedrun ships an update every 2 months, and Mars Quest fortnightly. Most recently, Mos Speedrun was updated on October 15, 2026 and Mars Quest on October 14, 2026.

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