Comparison

Mos Speedrun vs MO

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

MO

Embark on a side-scrolling adventure in a dark, abandoned laboratory. Solve intricate puzzles and engage in strategic combat using unique abilities to uncover the truth behind a sinister environmental disaster. Experience a visually stunning pixel art world with an emotionally resonant soundtrack.

Highlights
  • Side-scrolling action-puzzler
  • 360-degree gameplay
  • Surface-sticking abilities
  • Mind-reading and monster control
  • Exquisite pixel art
  • Emotionally moving soundtrack
Features
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A side-scrolling, action-puzzler with "Very Positive" reviews on Steam. Come adventure and explore on the soon to be released mobile version. ▶Uncover the truth hidden in the sinister shadows of this ghastly environment Awakening inside a dark, humid, and abandoned laboratory, MO discovers that it not only has to face an extremely hostile and sinister environment, but also humans who, having been taken over by alien parasitic plants, are now stuck in an endless limbo between death and rebirth. Who caused this disaster? And on this path to solve the riddle of MO's existence, what sorts of trials and tribulations lie ahead? ▶Clear quests with intertwining puzzles using strategic battle skills 360 degree gameplay that combines action and puzzle-solving. Use MO's ability to stick on surfaces to get past tricky traps, read the minds of monsters, control them like a parasite, and dash past danger as you fly through the air. ▶Exceptionally unique environmental design MO has an exquisite pixel art that is both adorable yet dark, giving the game a full-bodied sci-fi atmosphere. Besides fitting the storyline perfectly, the amazing aesthetic effects are a constant visual feast for players as they adventure onward. ▶A soundtrack that is elegant and emotionally moving The game's theme song has been carefully crafted to express the story of MO's adventure, while the background music and sound effects for each quest fit perfectly with each environment. ▶Collaborating to create a moving masterpiece An exceptional masterpiece, developed by Archpray Inc. and produced by Rayark Inc.

Screenshots

Mos Speedrun4 screens
MO4 screens

Verdict

The call

The clearest difference is price: Mos Speedrun at $0.99 against MO's $4.99. Mos Speedrun also leads on review sentiment (93% vs 80%) and iOS requirement (9.0 vs 12.0). MO's advantage is update cadence (every 3 weeks vs every 2 months). On rating, ratings volume, ads and in-app purchases 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

Mos Speedrun costs $0.99 and MO $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Mos Speedrun against 4.6 for MO. Both are backed by a comparable volume of ratings — 33 and 47 respectively. Written reviews are what separate them: 93% of Mos Speedrun's written reviews are positive against 80% of MO's.

UpkeepUpdate frequency

Mos Speedrun ships an update every 2 months, MO every 3 weeks. The most recent releases landed on October 17, 2026 and October 19, 2026 respectively.

Scorecard4 real differences · 6 level
Mos Speedrun versus MO: the parameters behind the verdict, then further details
ParameterMos SpeedrunMO
Price$0.99 — better$4.99
Rating4.7 (33 ratings) — better4.6 (47 ratings)
Positive reviews93.3% of reviews — better79.5% of reviews
Number of ratings3347 — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better12.0
Further details — not scored
Size46 MB2.5 GB
Age rating9+12+
DeveloperPhysmoRayark International Limited

Customer experience

Mos Speedrun

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

MO

All ratings47 ratings
Positive91.5%
Neutral0.0%
Negative8.5%
Written reviews83 reviews
Positive79.5%
Neutral6.0%
Negative14.5%

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

MO

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Mos Speedrun

No in-app purchases

None

MO

No in-app purchases

Questions

Is Mos Speedrun free?
Mos Speedrun costs $0.99, with no in-app purchases.
Is MO free?
MO costs $4.99, with no in-app purchases.
Which has better reviews, Mos Speedrun or MO?
Mos Speedrun is rated higher. Mos Speedrun averages 4.7 out of 5 from 33 ratings, while MO averages 4.6 from 47 ratings.
Do Mos Speedrun or MO have ads?
Neither Mos Speedrun nor MO shows ads.
Which is updated more often, Mos Speedrun or MO?
Mos Speedrun ships an update every 2 months, and MO every 3 weeks. Most recently, Mos Speedrun was updated on October 17, 2026 and MO on October 19, 2026.

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