Comparison

Mega Mantis vs Crazy Arena!

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

Head to head
About

Mega Mantis

This casual game lets you breed and hatch a variety of unique mantis species. Log in to claim powerful units and challenge bosses in survival trials. Build your ultimate mantis army and discover new surprises with every cocoon.

Highlights
  • Infinite mantis breeding
  • Auto-hatching 24/7
  • Hundreds of combat unit types
  • Epic card pool for collecting
  • Survival trials with bosses
  • Randomly awakened exclusive skills
Features
Read full description

「Mega Mantis」- Idle for 5 Minutes, Unlock a New Species of Mantis! A casual game with infinite breeding! Auto Hatching Non-stop breeding 24/7, randomly hatching hundreds of combat units like Mecha Mantis, Druid Mantis, Dumbledore Mantis, and more. Every cocoon holds an unknown surprise! Epic Card Pool Log in to claim the divine-tier 「General Guan Mantis」! Unlock the exclusive 「Mystery Cocoon」 card pool and collect Heaven, Earth, and Mystic attribute mantises to build the strongest army on the surface! Survival Trials Randomly awaken「exclusive skills」and challenge powerful bosses! Freely control your mantis warriors and take on formidable natural enemies. Download now and start your breeding empire!

About

Crazy Arena!

Engage in thrilling real-time PvP auto-battles where fighters clash until only one remains. Strategize with diverse characters, skills, and weapon evolutions to become the ultimate champion and earn fight money.

Highlights
  • Real-time PvP auto-battles
  • Diverse characters and skills
  • Weapon evolution and strategy
  • Fast-paced gameplay
  • Power-up choices
  • Mounts for speed and timing
Features
Read full description

CRAZY ARENA — The Wildest Battle Show in the Galaxy! Fast, easy, and thrilling real-time PvP Auto-Battles! Fighters clash until only one remains standing! Win and become the King of Fight Money! [Fast and Easy Battles] Enjoy the thrilling PvP Auto-Battles with simple controls! [Endless Choices] New Round, New Power Up! Your choices can change everything! [The Rush of Speed] Charge at your enemies with mounts to dominate speed & timing! [Active Skills] Diverse characters, various skills and traits! Create your ultimate build! [Weapon Evolution] The more you fight, the stronger your weapon and your strategy become! [The Last Champion] Stay on your feet till the end and seize the spotlight as the No.1 Fighter! Start your PvP Auto-Battle now in CRAZY ARENA!

Screenshots

Mega Mantis4 screens
Crazy Arena!4 screens

Verdict

The call

The clearest difference is review sentiment: Mega Mantis at 100% against Crazy Arena!'s 48%. Mega Mantis also leads on rating (4.8 vs 4.0). 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. Mega Mantis sells 16 one-off in-app purchases and Crazy Arena! sells 27 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Mega Mantis holds the better App Store score, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 19 and 21 respectively. Written reviews point the same way: 100% of Mega Mantis's written reviews are positive against 48% of Crazy Arena!'s.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on August 24, 2026 and September 22, 2026 respectively.

Scorecard2 real differences · 8 level
Mega Mantis versus Crazy Arena!: the parameters behind the verdict, then further details
ParameterMega MantisCrazy Arena!
PriceFreeFree
Rating4.8 (19 ratings) — better4.0 (21 ratings)
Positive reviews100.0% of reviews — better48.4% of reviews
Number of ratings1921 — better
Update frequencyFortnightlyFortnightly
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size524 MB731 MB
Age rating4+9+
DeveloperFUTURE TV CO.,LTD111%

Customer experience

Mega Mantis

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Crazy Arena!

All ratings21 ratings
Positive71.4%
Neutral4.8%
Negative23.8%
Written reviews31 reviews
Positive48.4%
Neutral3.2%
Negative48.4%

In-app purchases

16 purchases

Mega Mantis

One-time16
  • Value Pack - Gold$1.99
  • Starter Pack$1.99
  • Chapter 50 Pack$2.99
Show 13 more
  • Chapter 70 Pack$2.99
  • Chapter 110 Pack$2.99
  • Beginner’s Premium Gift$4.99
  • Divine Item Pack$6.99
  • Divine Supply Pack$6.99
  • Special Offer: No Ads$6.99
  • Breeding Assistant$7.99
  • Resource Card$8.99
  • Temple Energy Charge Pack$8.99
  • Battle Pass$9.99
  • Remove Ads$12.99
  • 2-in-1 Privilege$16.99
  • 3-in-1 Privilege$22.99
27 purchases

Crazy Arena!

One-time27
  • Axe Exclusive Upgrade Pack 1$1.99
  • Space Dino Boost Pack 1$4.99
  • Exclusive Upgrade Pack 02 variants$4.99
Show 24 more
  • Starter Pack 1$4.99
  • Weapon Package$5.49
  • Exclusive Upgrade Pack$5.49
  • Exclusive Upgrade Pack 13 variants$5.49
  • Instant Dino Lv.5 Package$6.99
  • Ad-Free World (Permanent)$6.99
  • Whip Exclusive Upgrade Pack 2$6.99
  • Axe Exclusive Upgrade Pack 2$6.99
  • Starter Pack 2$8.99
  • Weapon Upgrade Daily Pack$8.99
  • VVIP Membership (30 Day)$9.99
  • Premium Season Pass2 variants$9.99
  • Gems 2$10.99
  • Gold Package2$10.99
  • Starter Pack 3$12.99
  • Slump Breaker Pack$12.99
  • Super Crazy Pass$14.99
  • Axe Exclusive Upgrade Pack 3$14.99
  • Crazy Pass$17.99
  • Operation Phantom$19.99
  • Super Crazy Pass$27.99
  • Whip Exclusive Upgrade Pack 4$29.99
  • Axe Exclusive Upgrade Pack 4$29.99
  • Joker Stone Membership (30 Days)$49.99

Questions

Is Mega Mantis free?
Mega Mantis is free to download, with in-app purchases available.
Is Crazy Arena! free?
Crazy Arena! is free to download, with in-app purchases available.
Which has better reviews, Mega Mantis or Crazy Arena!?
Mega Mantis is rated higher. Mega Mantis averages 4.8 out of 5 from 19 ratings, while Crazy Arena! averages 4.0 from 21 ratings.
Do Mega Mantis or Crazy Arena! have ads?
Both Mega Mantis and Crazy Arena! show ads.
Which is updated more often, Mega Mantis or Crazy Arena!?
Mega Mantis ships an update fortnightly, and Crazy Arena! fortnightly. Most recently, Mega Mantis was updated on August 24, 2026 and Crazy Arena! on September 22, 2026.

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