Comparison

Mass Up vs OPM

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

Head to head
About

Mass Up

Features
Read full description

Roll and grow. Grow as big as the whole planet!Get ready to roll in the wackiest arcade adventure on mobile! Mass Up is a chaotic physics-based game where you control a sticky ball that absorbs everything it touches — from tiny toys to giant TVs. Grow bigger, faster, and weirder as you explore absurd biomes, complete crazy objectives, and unlock ridiculous collections. Grow your ball to epic sizes Easy-to-learn, hard-to-master controls Collect over 100 unique objects Complete challenges and earn stars Use boosters to smash your records Explore garden, beach, and indoor levels — with more coming soon! Play offline or online, at your own pace or in speed runs. Perfect for kids and adults alike! Start small. Roll big. Mass Up!

About

OPM

Features
Read full description

Become the ultimate one-punch hero in this timing-based action game ONE PUNCH IS ALL IT TAKES Every fight comes down to one perfect moment. Read the enemy, find the rhythm, and unleash a strike powerful enough to end it all in a single blow. MASTER THE ART OF TIMING Precision is everything. The difference between a devastating hit and a wasted attack is razor-thin — only those who have truly mastered their timing will rise to the top. GROW STRONGER WITH EVERY FIGHT Level up your stats, unlock new abilities, and build a hero powerful enough to take on any challenge. Every victory brings you one step closer to true strength. FACE INCREASINGLY DEADLY ENEMIES From standard grunts to fearsome boss encounters, every enemy presents a new test of skill and timing. Adapt or be overwhelmed. DAILY CHALLENGE & LEADERBOARD A brand new challenge drops every hour. Push your limits, post your score, and climb the global leaderboard to prove you're the strongest. One punch. No mercy. Are you strong enough?

Screenshots

Mass Up4 screens
OPM4 screens

Verdict

The call

The clearest difference is in-app purchases: OPM at none against Mass Up's 12. On price, update cadence, ads 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

Both are free to download. Mass Up sells 12 one-off in-app purchases. OPM asks for nothing beyond the download.

UpkeepUpdate frequency

Mass Up ships an update every 8 days, OPM every 2 weeks. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 5 level
Mass Up versus OPM: the parameters behind the verdict, then further details
ParameterMass UpOPM
PriceFreeFree
Update frequencyEvery 8 days — betterEvery 2 weeks
AdsYesYes
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size726 MB159 MB
Age rating4+12+
DeveloperCROSSBRIDGE GAME STUDIOSYoTech

In-app purchases

12 purchases

Mass Up

One-time12
  • Resources Pack #1$1.99
  • No Energy Offer$4.99
  • Resources Pack #2$4.99
Show 9 more
  • Boosters Pack #1$6.99
  • Remove Ads plus Boosters pack$7.99
  • Resources Pack #3$8.99
  • Holiday Pack #1$9.99
  • Boosters Pack #2$14.99
  • Resources Pack #4$19.99
  • Resources Pack #5$29.99
  • Resources Pack #6$39.99
  • Boosters Pack #4$39.99
None

OPM

No in-app purchases

Questions

Is Mass Up free?
Mass Up is free to download, with in-app purchases available.
Is OPM free?
OPM is free to download, with no in-app purchases.
Do Mass Up or OPM have ads?
Both Mass Up and OPM show ads.
Which is updated more often, Mass Up or OPM?
Mass Up ships an update every 8 days, and OPM every 2 weeks. Most recently, Mass Up was updated on October 16, 2026 and OPM on October 25, 2026.

Other comparisons