Report updated Jun 17, 2026
Fish Eat Fish.io:Hunger Games
For casual mobile gamers interested in survival-themed arcade games and collection-based progression.
Fish Eat Fish.io:Hunger Games is a well-regarded games app that is free with in-app purchases. With a 4.3/5 rating from 36.1K reviews, it maintains solid user satisfaction. Users particularly appreciate fast-paced and engaging gameplay loop, though excessive ad frequency during sessions remains a common concern.
What is Fish Eat Fish.io:Hunger Games?
Fish Eat Fish.io is a survival-themed casual arcade game for iOS and Android where players grow by consuming marine creatures.
Users hire the app for quick, low-stakes competitive sessions that provide immediate gratification through collection and growth mechanics.
Current Momentum
v1.1 · 2mo ago
Active- Added 12th ocean area.
- Implemented Lunar New Year collaboration.
- Introduced Swipe to Slice treasure.
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Cataloging system that tracks habits and details of every fish species encountered by the player
Social integration allowing users to sync progress and invite friends for collaborative play
Exclusive items that grant temporary special abilities to the player's fish
Tiered map system with 12 distinct zones, each featuring unique marine life and hidden creatures
How much does it cost?
- Free-to-play with ad support
- In-app purchases for items and power-ups
Ad-supported model with IAP-driven progression, anchored by high-volume casual gameplay.
Who Built It?
MOBIBRAIN TECHNOLOGY PTE
Developing idle simulation and arcade games for casual players seeking quick, satisfying progression loops. Focused on accessible mechanics and recurring engagement.
Portfolio
13
Apps
What other apps does MOBIBRAIN TECHNOLOGY PTE make?
Gear Defenders
Fish Eater.io
ときめきパティスリー・ゆるかわ系経営シミュレーション
貓茶小當家：掌櫃養成記
公主甜點屋-療愈係模擬經營遊戲
Idle Magic Academy
Explore the full MOBIBRAIN TECHNOLOGY PTE report
Portfolio breakdown, audience, momentum, and every app published by MOBIBRAIN TECHNOLOGY PTE.
What do users think recently?
High confidence · Latest 100 of 36.1K total reviews analyzed
How did the latest release land?
What is the recent mood?
Recent user voice shows a excited sentiment. Users appreciate fast-paced and engaging gameplay loop and variety of collectible fish species, but report excessive ad frequency during sessions.
What Users Love
What Frustrates Users
What Users Want
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
What is the competitive landscape for Fish Eat Fish.io:Hunger Games?
Where is it available?
Localized markets (9)
How's The Games Market?
How does it evolve in the Games market?
The app holds a #138 Free rank in the US Casual Game category, with a 0.55★ rating gap between iOS and Android platforms. This discrepancy indicates that Android-specific performance issues are currently suppressing the app's overall market potential.
Rank progression
229 active rankings tracked — 30-day window
Which niche is Fish Eat Fish.io:Hunger Games in?
to survive and grow as a predator
Explore the full Underwater Simulations niche
Every app in this space — 9 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
The rivals identified
Nemeses(1)
With over 7.6 million ratings and a high-frequency release cadence, this title defines the 'Big Fish' sub-genre standard.
Differentiators
- Features a massive, multi-year content library of unique shark species and evolving abilities.
- Maintains a high-frequency update cycle with 10 releases in the last six months alone.
- Deep meta-progression systems allow for long-term player retention beyond simple arcade loops.
Head to head
The target app must lean into its 'io' simplicity to differentiate from the heavy, content-dense legacy structure of this nemesis.
Contenders(2)
The foundational 'io' game that established the core growth-and-domination mechanic used by the target app.
Differentiators
- Pioneered the minimalist, abstract aesthetic that prioritizes pure competitive skill over thematic immersion.
- Maintains a massive, global player base that ensures instant matchmaking and high-stakes competitive lobbies.
A direct thematic competitor from the same publisher, offering a more modern graphical fidelity than its predecessor.
Differentiators
- Utilizes high-fidelity 3D environments that provide a more immersive oceanic exploration experience.
- Includes complex mission-based gameplay that shifts the focus from pure survival to objective completion.
Same space(2)
A direct sub-genre peer that mirrors the target app's specific aquatic 'io' theme.
Differentiators
- Integrates social-lite features that allow for quick player interaction during the match.
- Focuses on rapid-fire, short-duration rounds designed specifically for mobile-first, on-the-go play.
A major 'io' genre peer that shares the same 'grow-to-dominate' core loop despite a different visual theme.
Differentiators
- Uses a unique snake-based movement mechanic that requires different spatial awareness than fish-based games.
- Minimalist UI design focuses entirely on the leaderboard and immediate competitive feedback.
Compare Fish Eat Fish.io:Hunger Games against every rival
All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.
The outtake for Fish Eat Fish.io:Hunger Games
Strengths to defend, gaps to attack
Core Strengths
- Codex collection loop sustains daily active sessions
- Multiplayer social-sharing lowers acquisition costs
- Lightweight session design enables rapid mobile-first entry
Critical Frictions
- 0.55★ Android-iOS rating gap
- Ad-heavy progression creates churn risk
- Limited meta-progression beyond map unlocking
Growth Levers
- B2B education partnerships for Codex library
- Wearable integration for passive progress tracking
- Untapped regional markets in high-growth territories
Market Threats
- Ubisoft’s 10-update cadence in six months
- Rising user acquisition costs in casual arcade
- EU data-minimization impact on kids monetization
What are the next best moves?
Audit Android performance because of the 0.55★ rating gap → improve Android retention
The rating gap between iOS and Android indicates platform-specific technical friction.
Trade-off: Pause the upcoming 13th ocean area development — platform stability is a higher priority for retention.
Ship non-intrusive IAP bundles because ad-frequency is the top complaint → reduce churn
User sentiment highlights ad-frequency as the primary driver of session abandonment.
Trade-off: Deprioritize the social-sharing leaderboard update — monetization sustainability is critical for Q2.
A counter-intuitive read
The app's reliance on ad-supported progression is not a weakness but a necessary trade-off to maintain the low-friction, casual-entry funnel that legacy competitors like Hungry Shark have abandoned.
Feature Gaps vs Competitors
- High-fidelity 3D environments (available in Hungry Shark World but missing here)
- Objective-based mission systems (available in Hungry Shark World but missing here)
Key Takeaways
The app maintains a strong casual arcade loop through its collection mechanics, but the Android-iOS rating gap and ad-heavy progression threaten long-term retention. The PM should prioritize platform stability and monetization diversification to defend against high-frequency updates from legacy competitors.
Where Is It Heading?
Stable
The casual block-puzzle and survival market is consolidating, with legacy IP entries absorbing rotational interest. Fish Eat Fish.io must leverage its Codex-driven retention to differentiate from the content-dense legacy structures of Ubisoft’s titles, or it risks losing its casual base to more immersive, mission-driven competitors.
The latest release added the 12th ocean area, demonstrating active feature investment rather than maintenance-mode stagnation.
The 0.55★ rating gap on Android indicates technical regressions that, if unaddressed, will compound churn pressure into Q3.