Z Day: Hearts of Heroes is a strategy MMO for mobile devices, focused on base-building, hero training, and alliance-based zombie warfare.
Product velocity
Live Ops
Daily rank 🇺🇸
#105
Games · grossing
Sentiment
3.6
131k reviews
Nemesis
Age of Origins - حرب الزومبي
The App DNA
What makes this app unique?
The app serves players seeking a long-term social competitive environment, displacing simpler time-killing games with complex, alliance-driven PvP mechanics.
For Strategy MMO players interested in zombie-themed survival, base building, and competitive multiplayer alliance warfare.
What does it look like?
Key features
Multiplayer social structure for coordinating attacks and defending against the Commandant
RPG-style character training and progression for military commanders
Customizable legendary aircraft units providing specialized attack power
How much does it cost?
Freemium model anchored by a $29.99/month subscription that provides exclusive in-game privileges.
Velocity
Live Ops developmentseasonal eventsnew contentmonetizationShow more...
The app ships approximately one release every 4 to 5 weeks, maintaining a stable cadence that prioritizes live operations over major feature overhauls. Each update consistently introduces new seasonal events, limited-time challenges, and rotating rewards to sustain player engagement. While the development team focuses on these recurring event cycles, the underlying build structure remains focused on incremental optimizations and bug fixes. The app is effectively run as a service, with content updates serving as the primary driver for user retention.
Who built it?
FunPlus International AG
13+ apps tracked · Games
Sea of Conquest: Pirate War
DC: Dark Legion™
State of Survival: Zombie War
Stormshot: Isle of Adventure
Call of Antia: Match 3 RPG
Boom Blast: Doomsday
全面屍控
정복의 바다：해적 시뮬레이션 RPG
征服之海：海盜榮耀
Tiles Survive!
Misty Continent
Project EntropyUser Sentiment
What do users think recently?
Review voice lately leans upset. Users appreciate long-term players appreciate the core gameplay loop and social interaction within their established alliances, but report account login failures and missing progress following the latest update prevent long-term users from accessing bases.
How are ratings & reviews evolving?
What users say, by theme
- Long-term players appreciate the core gameplay loop and social interaction within their established alliances
- Account login failures and missing progress following the latest update prevent long-term users from accessing bases
63 of 100 recent reviews analyzed · high confidence · Upset overall
Read the full review analysisUnlock 2 more frustration themes and 1 user request, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Z Day: Hearts of Heroes
How's the Games market?
Z Day maintains a presence across global strategy charts, though its grossing rank remains volatile compared to its free-to-play discovery advantage. The current 3.55 Android rating reflects significant friction in account stability compared to the 4.16 iOS performance.
Read the market outlookThe rivals identified
By CamelStudio
The primary rival in the zombie-themed 4X strategy space, mirroring the core loop of city rebuilding, alliance warfare, and survival against undead hordes.
- Integrated Tower Defense mini-games that provide gameplay variety beyond standard 4X mechanics
- Significantly higher technical stability and more frequent content updates
- More sophisticated 3D city-building visuals and map animations
Unlock the head-to-head verdict: where this rival wins, and where it loses.
Access the full report for freeThe Analyst's Read
Key takeaways for Z Day: Hearts of Heroes
Where is it heading?
The strategy MMO market is consolidating around titles with faster live-ops cycles and more transparent reward scaling. Z Day's maintenance-mode updates leave it exposed to rivals that offer more responsive development, and without a fix for account stability, the player base will continue to erode into Q3.
- Critical account login failures post-update prevent access for long-term users, which compounds the existing rating drag on Android.
- Stagnant event rewards force heavy spending to remain competitive, causing veteran players to churn as the cost-to-power ratio becomes unsustainable.
The SWOT
- Alliance social network effects drive long-term retention
- RPG-style hero progression creates deep resource sinks
- Updating event reward ratios to match progression costs
- Implementing anti-cheat measures to restore PvP fairness
Next best moves
Audit account authentication logic because login failures are the top-cited churn risk → stabilize veteran retention
+ 1 more prioritized moveThe counter-intuitive read
The app's reliance on aggressive monetization is not the primary failure…
Read the full takeFeature gaps
Transparent anti-cheat reporting (available in State of Survival but missing here) +1
Since the last report: Account login failures and stagnant event rewards have created a critical churn risk for veteran players, shifting the product focus from feature expansion to urgent technical stabilization.
Bottom line
Stabilizing account access is the immediate priority to prevent further veteran churn, as the current login failures render the core alliance-based retention loop inaccessible. Addressing this baseline stability will unlock the capacity to then pivot toward refreshing the stagnant event rewards that currently drive negative sentiment.
Unlock 2 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is Z Day: Hearts of Heroes worth paying for?
How does Z Day compare to State of Survival?
Does Z Day have intrusive ads?
What is a free alternative to Z Day?
Sources
- [1] Play Store listing, source
Report last updated