Comparison

Zero Hour Assault vs Blind Echo

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

Head to head
About

Zero Hour Assault

An audio-only first-person shooter designed for blind and visually impaired players. Experience intense online combat, diverse game modes, and tactical gameplay entirely through sound. Features include a persistent open-world PvP map, base building, and an extensive arsenal of weapons and gadgets.

Highlights
  • Audio-only gameplay
  • Diverse game modes (Battle Royale, Zombie Survival, Knife Fight)
  • Persistent open-world PvP
  • Base building and defense
  • Tactical combat mechanics
  • Extensive arsenal and gadgets
  • Integrated voice chat
Features
Read full description

IMPORTANT: THIS IS AN AUDIOGAME This game is played entirely with sound and has no visuals. It is designed for the blind and visually impaired community. The screen will be black during gameplay—this is intentional. Please put on headphones for the best experience. Dive into the heart of intense, non-stop combat with Zero Hour Assault, a thrilling online first-person shooter where strategy, skill, and teamwork are the keys to survival. Whether you're a lone wolf hunting for glory or a tactical team player coordinating the perfect attack, Zero Hour Assault offers a dynamic and ever-evolving battlefield filled with endless action and diverse challenges. Experience the fight on your terms. Drop from a helicopter onto a shrinking map in a tense battle royale, cooperate with teammates to survive relentless zombie hordes, or prove your mettle in specialized duels with only snipers, swords, or even your bare fists. The choice is yours. Key Features: A Massive Variety of Game Modes: From classic Team Deathmatch and Capture the Flag to unique challenges like Zombie Survival, Explosive Battle, and the stealthy Knife Fight, there's a mode for every type of player. Persistent Open-World PvP: Venture into the "Freedom Fight" map, a large, persistent world where you can battle other players, loot powerful gear from chests, and engage in high-stakes combat without the rules of a formal match. Build and Defend Your Base: Form a Group with friends, create your own fortified base on the Freedom Fight map, store loot in secure chests, and defend your turf from rival players. If your base is destroyed, your group is gone forever! Deep Tactical Gameplay: Master the art of combat with advanced mechanics. Utilize vertical aiming, perform devastating headshots and legshots to cripple opponents, break through destructible walls, and use a powerful weapon melee attack to disarm and down your foes. Extensive Arsenal & Gadgets: Wield a vast array of weapons and deploy tactical items to gain the upper hand. Become invisible with the Invisibility Shield, lay traps with TM62 landmines, create cover with deployable Barricades, or track your enemies with the Spatial Amplifier. Robust Progression & Rewards System: Earn Zero Tokens for every kill to buy powerful gear from the store. Gain score points to climb the global ranks and prove your dominance. Complete daily Events to earn exclusive rewards and spend Event Points in a dedicated store. Integrated Voice Chat: Communication is key. Coordinate with your team using positional audio to hear nearby allies, or use the dedicated Community voice chat to talk with your entire clan across the game, regardless of distance. Play Anywhere, Your Way: Experience seamless action on both PC and mobile. With full support for keyboard, mouse, joystick, and intuitive touch controls, you can dominate the battlefield on any device. The battlefield is calling. Gear up, customize your character, and prove your worth. Are you ready for Zero Hour Assault?

About

Blind Echo

Features
Read full description

BLIND ECHO - Navigate the Darkness The world is dark. You can't see anything. A tiny dot of light - that's you. Somewhere in the void, obstacles are rushing toward you. You can't see them... unless you listen. Every few seconds, a sonar pulse erupts from your position and ripples outward into the darkness. For a brief moment, the obstacles flicker into existence - then disappear back into the black. Can you memorize what you saw? Can you dodge in time? ------------------------------ HOW TO PLAY ------------------------------ - Tap the LEFT side of the screen to move left - Tap the RIGHT side of the screen to move right - A sonar pulse fires automatically - use those glimpses to survive - You have 2 lives. One hit turns you dim. Two hits ends the game. - Survive 10 seconds after getting hit to recover your second life. ------------------------------ FEATURES ------------------------------ - Minimalist atmospheric design - Sonar-based visibility mechanic - unique survival gameplay - 2-life system with auto-regeneration - Progressive difficulty - the longer you survive, the faster it gets - 3 obstacle types: horizontal bars, vertical pillars, and L-shapes - Persistent high score tracking - Original dark ambient soundtrack ------------------------------ THE CHALLENGE ------------------------------ Speed increases every 10 seconds for the first 100 seconds - then continues to scale. By 5 minutes, obstacles move at 3x speed. By 10 minutes, 4x. How long can you last? Close your eyes. Trust the pulse. Survive.

Screenshots

Zero Hour Assault1 screens
Blind Echo3 screens

Verdict

The call

The clearest difference is in-app purchases: Blind Echo at none against Zero Hour Assault's 10. Blind Echo also leads on update cadence (every 2 days vs every 6 weeks). Zero Hour Assault's advantage is ads (none vs shown) and iOS requirement (12.0 vs 15.1). On price 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. Zero Hour Assault sells 10 one-off in-app purchases. Blind Echo asks for nothing beyond the download.

UpkeepUpdate frequency

Zero Hour Assault ships an update every 6 weeks, Blind Echo every 2 days. The most recent releases landed on August 21, 2026 and September 19, 2026 respectively.

Scorecard4 real differences · 6 level
Zero Hour Assault versus Blind Echo: the parameters behind the verdict, then further details
ParameterZero Hour AssaultBlind Echo
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 6 weeksEvery 2 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.1
Further details — not scored
Size270 MB36 MB
Age rating17+4+
DeveloperNBM DIGITAL LTDKutay incirci

In-app purchases

10 purchases

Zero Hour Assault

One-time10
  • backpacks level3$3.99
  • KelTecP318$6.99
  • platinum token pack$12.99
Show 7 more
  • paid account 1 month$14.99
  • hex$24.99
  • supreme$24.99
  • paid account 3 month$44.95
  • lord$59.99
  • paid account 6 month$89.90
  • paid account 12 month$179.00
None

Blind Echo

No in-app purchases

Questions

Is Zero Hour Assault free?
Zero Hour Assault is free to download, with in-app purchases available.
Is Blind Echo free?
Blind Echo is free to download, with no in-app purchases.
Do Zero Hour Assault or Blind Echo have ads?
Blind Echo shows ads; Zero Hour Assault does not.
Which is updated more often, Zero Hour Assault or Blind Echo?
Zero Hour Assault ships an update every 6 weeks, and Blind Echo every 2 days. Most recently, Zero Hour Assault was updated on August 21, 2026 and Blind Echo on September 19, 2026.

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