Comparison

Merge Loop vs Robot Mayhem

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

Head to head
About

Merge Loop

Features
Read full description

It's time to storm the keep and lead your soldiers to victory! Before you take the castle, you must create stronger knights to topple the evil army holding it captive. Loop around the track with your army towards the stronghold, and along the way managing & buying more units, then merge them to create strong soldiers before upgrading them into a superior army to destroy your foe! Loop around the track again and continue upgrading your units, merging them and buying more as you near the fort. Can you strategise to use the right method of action and decide what's best to spend your in-game currency on? Will you invest in upgrades for your troops? Or will you hire more mercenaries to merge together? Do what you can to avoid falling before your enemy and losing on the battlefield! A clash with the enemies is the way to find out as you merge your army into the ultimate fully geared battalion at max level! HOW TO PLAY Hold down to walk around the loop and let go to stop at buy stations. Once ready to move, hold down again to continue around the track. Your soldiers will automatically attack once near enemies. FEATURES Awesome battles! Lots of upgrading and merging your troops. Create the ultimate knight to destroy the enemy army. Easy to learn but with depth and mastery. Gain more power by upgrading, merging and buying more units with in-game cash! Free to Play with support for lots of devices. JOIN THE FULL FAT COMMUNITY Like: http://facebook.com/fullfatgames

About

Robot Mayhem

Engage in intense battles against waves of sentient robots threatening humanity. Utilize a variety of weapons, upgrade your skills through a roguelike talent tree, and conquer diverse maps to survive overwhelming odds.

Highlights
  • One-handed control
  • Salvageable and multiple weapon choices
  • Varied robot types and maps
  • Roguelike talent tree for skill progression
  • Intense wave-based combat
Features
Read full description

Robots got consciousness and they will ruin every humanity on earth! Only you can save humanity against dangerous robots. As a soldier you can get exclusive weapons and stand against most fearsome robots. Robots get more clever and stronger by each wave. Don't worry, you have unlimited potential of growth! Beware sometimes they may outnumber you and drive you into a corner, you can find a way to survive! Features: - Simple one handed control - Multiply weapons to choose, if you don't like the weapon you can always salvage and choose different ones - Different types of robots that can outnumber you. Each map have different types of robots. - Multiply maps to fight against Robots to save humanity. - Roguelike talent tree to choose your special skills to assist your growth. Terms of Service (EULA): https://www.udogames.com/legal/privacy-policy/

Screenshots

Merge Loop4 screens
Robot Mayhem4 screens

Verdict

The call

The clearest difference is in-app purchases: Merge Loop at none against Robot Mayhem's 21. 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. Robot Mayhem sells 21 in-app purchases, starting at $9.99 per month. Merge Loop asks for nothing beyond the download.

UpkeepUpdate frequency

Merge Loop ships an update monthly, Robot Mayhem fortnightly. The most recent releases landed on September 10, 2026 and June 1, 2026 respectively.

Scorecard1 real difference · 9 level
Merge Loop versus Robot Mayhem: the parameters behind the verdict, then further details
ParameterMerge LoopRobot Mayhem
PriceFreeFree
Rating—4.0 (20 ratings) — better
Positive reviews—46.2% of reviews
Number of ratings—20 — better
Update frequencyMonthlyFortnightly — better
AdsYesYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better14.5
Further details — not scored
Size117 MB315 MB
Age rating12+12+
DeveloperFull Fat Productions LtdWORLDNMORE TEKNOLOJI ANONIM SIRKETI

In-app purchases

None

Merge Loop

No in-app purchases

21 purchases

Robot Mayhem

Subscriptions1
  • Monthly Subscription$9.991 Month
One-time20
  • Diamonds (x100)$1.99
  • Bundle 1$1.99
  • Ad Pass Offer$2.99
Show 17 more
  • Bundle 2$3.99
  • Ad Pass (x10)$3.99
  • XP Collector Drone$3.99
  • Diamonds (x550)$4.99
  • Bundle 4$4.99
  • Bundle 3$4.99
  • Bundle 5$5.99
  • Bundle 6$5.99
  • Bundle 7$7.99
  • Regular Battle Pass$9.99
  • Ad Pass (x30)$9.99
  • Bundle 8$9.99
  • Diamonds (x1200)$9.99
  • Bundle 9$11.99
  • Ad Pass (x50)$14.99
  • Bundle 10$14.99
  • Diamonds (x2500)$19.99

Questions

Is Merge Loop free?
Merge Loop is free to download, with no in-app purchases.
Is Robot Mayhem free?
Robot Mayhem is free to download, with in-app purchases available.
Do Merge Loop or Robot Mayhem have ads?
Both Merge Loop and Robot Mayhem show ads.
Which is updated more often, Merge Loop or Robot Mayhem?
Merge Loop ships an update monthly, and Robot Mayhem fortnightly. Most recently, Merge Loop was updated on September 10, 2026 and Robot Mayhem on June 1, 2026.

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