Comparison

Brain Frog vs Crimson Legion

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

Head to head
About

Brain Frog

Engage in a unique brain training experience disguised as a humorous frog boxing game. This app challenges you to break automatic behaviors and build flexibility under pressure by staying unpredictable in your actions.

Highlights
  • Hilarious frog boxing game
  • Unique cognitive training
  • Breaks automatic behaviors
  • Builds flexibility under pressure
  • Rewires neural pathways
  • Unpredictable gameplay
Features
Read full description

Box a frog. Rewire your brain. Tired of brain training apps that just make you better at... the app? Brain Frog is different. It's the world's first brain trainer hidden inside a hilarious frog boxing game on a lily pad ring. How it works: Punch randomly. No patterns. No habits. The Brain Frog reads your moves like a pro fighter - if you get predictable, BOOM - you're OUT. Force yourself to stay truly unpredictable, and you'll win. This isn't fake "brain games." It's real cognitive training: 1) Break automatic behaviors (your brain's worst enemy) 2) Build flexibility under pressure (like elite boxers & poker pros) 3) Rewire neural pathways (science-backed neuroplasticity) Download now - your brain will thank you (after a few KOs). Terms of service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Crimson Legion

Assemble a powerful legion of warriors in this dark fantasy idle RPG. Tap, idle, and optimize your damage with specialized units and a deep progression system. Watch your numbers grow as you push through stages and gain permanent power boosts.

Highlights
  • Tap + Idle hybrid combat
  • Build and upgrade legions
  • Specialized unit roles
  • Elemental damage
  • Offline rewards
  • Prestige system
Features
Read full description

Crimson Idle Legion is a dark fantasy idle RPG built around massive numbers, powerful legions, and endless progression. Tap, idle, and optimize your damage as you assemble a growing legion of warriors each specializing in Tap Damage, Auto DPS, Hybrid combat, or Global Power boosts. Every run pushes you further, every prestige makes you stronger, and every upgrade feeds the numbers fantasy. FEATURES: • Tap + Idle hybrid combat system • Build and upgrade a full legion of unique units • Specialized roles: Tap, DPS, Hybrid, and Global Buff units • Elemental damage with proc chances and scaling • Elite enemies, commanders, and bosses • Smooth damage numbers and satisfying hit feedback • Offline rewards and idle progression • Prestige system that reshapes difficulty and power • Clean, stylized dark fantasy UI PROGRESSION: Defeat enemies to earn gold, upgrade your legion, unlock stronger units, and push through stages. When progress slows, prestige to reset and gain permanent power boosts that let you climb faster and hit harder. Whether you play actively or let your legion fight while idle, Crimson Idle Legion is built for players who love watching the numbers grow. Build your legion. Break the limits. Push forever.

Screenshots

Brain Frog4 screens
Crimson Legion4 screens

Verdict

The call

The clearest difference is rating: Crimson Legion at 4.0 against Brain Frog's 3.0. Crimson Legion also leads on in-app purchases (none vs 3) and iOS requirement (15.1 vs 18.6). Brain Frog's advantage is update cadence (weekly vs every 2 weeks). On price, ratings volume, 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. Brain Frog sells 3 one-off in-app purchases. Crimson Legion asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Crimson Legion holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

UpkeepUpdate frequency

Brain Frog ships an update weekly, Crimson Legion every 2 weeks. The most recent releases landed on October 9, 2026 and October 23, 2026 respectively.

Scorecard5 real differences · 5 level
Brain Frog versus Crimson Legion: the parameters behind the verdict, then further details
ParameterBrain FrogCrimson Legion
PriceFreeFree
Rating3.0 (2 ratings)4.0 (4 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings24 — better
Update frequencyWeekly — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.615.1 — better
Further details — not scored
Size15 MB204 MB
Age rating4+9+
DeveloperLookastic OUJian Zellner

Customer experience

Brain Frog

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Crimson Legion

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Brain Frog

One-time3
  • 500 coins$0.99
  • 2500 coins$2.99
  • 5000 coins$4.99
None

Crimson Legion

No in-app purchases

Questions

Is Brain Frog free?
Brain Frog is free to download, with in-app purchases available.
Is Crimson Legion free?
Crimson Legion is free to download, with no in-app purchases.
Which has better reviews, Brain Frog or Crimson Legion?
Crimson Legion is rated higher. Brain Frog averages 3.0 out of 5 from 2 ratings, while Crimson Legion averages 4.0 from 4 ratings.
Do Brain Frog or Crimson Legion have ads?
Neither Brain Frog nor Crimson Legion shows ads.
Which is updated more often, Brain Frog or Crimson Legion?
Brain Frog ships an update weekly, and Crimson Legion every 2 weeks. Most recently, Brain Frog was updated on October 9, 2026 and Crimson Legion on October 23, 2026.

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