Comparison

D.E.A.D. Protocol vs Nightmares Within

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

Head to head
About

D.E.A.D. Protocol

Survive a zombie apocalypse with realistic shooting mechanics and a vast arsenal of upgradeable weapons. Customize your character and immerse yourself in detailed graphics as you face relentless hordes. Test your survival instincts in intense missions or see how long you can last.

Highlights
  • Realistic shooting mechanics
  • Upgradeable weapon arsenal
  • Customizable characters
  • Intense missions
  • Endless zombie hordes
  • Detailed graphics
Features
Read full description

D.E.A.D. Protocol is the ultimate test of your survival instincts in a world overrun by the undead. Face endless hordes of relentless zombies that grow more cunning and dangerous as you progress. With realistic shooting mechanics and responsive controls, every headshot feels earned and every bullet counts. Arm yourself with a vast arsenal of upgradeable weapons, from pistols to flamethrowers, and customize your loadout to match your playstyle. Step into the apocalypse with fully customizable characters, allowing you to create a survivor who’s truly your own. Immerse yourself in gorgeous, detailed graphics that bring the decaying world to life, from eerie cityscapes to desolate forests. Whether you’re battling for your life in intense missions or just seeing how long you can last, D.E.A.D. Protocol delivers heart-pounding action at every turn. Will you make it to the next daybreak? Download now and find out!

About

Nightmares Within

Embark on a survival mission on a cursed island, battling relentless undead in a 3D FPS open-world. Scavenge resources, manage ammo, and choose your combat strategy to uncover the secrets of an abandoned hospital.

Highlights
  • High-stakes survival gameplay
  • Resource scavenging and ammo management
  • Stealth and action combat options
  • Deep RPG progression and skill tree
  • Open-world exploration
  • Daily challenges and missions
Features
Read full description

Stranded. Alone. Surrounded by the relentless undead. After a high-stakes mission goes wrong, Army Sergeant Noah is cast onto a cursed island in the Pacific. At its dark heart lies a colossal, abandoned hospital—a labyrinth of secrets that should have stayed buried. Nightmares Within masterfully blends classic Survival with modern 3D FPS Action. In this open world, every corridor hides a threat, and every bullet is a lifeline. Why You’ll Love It: High-Stakes Survival: Scavenge for vital resources and manage your limited ammo to survive brutal, heart-pounding Boss fights. Stealth or Action: You decide the strategy. Snipe from the shadows, go in guns blazing, or perform silent assassinations to clear your path. Deep RPG Progression: Level up Noah’s specialized skills through a deep talent tree to withstand the escalating terror of the island. Daily Challenges: Connect and survive! Experience a dynamic world with consistent updates and challenging missions. Enter the hospital. Fight the undead. Solve the mystery before it’s too late. Download now and face your fears!

Screenshots

D.E.A.D. Protocol4 screens
Nightmares Within4 screens

Verdict

The call

The clearest difference is rating: D.E.A.D. Protocol at 5.0 against Nightmares Within's 4.5. D.E.A.D. Protocol also leads on ads (none vs shown) and update cadence (every 3 days vs every 2 weeks). On price, ratings volume, in-app purchases and monetization model 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. D.E.A.D. Protocol sells 4 one-off in-app purchases and Nightmares Within sells 17 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

D.E.A.D. Protocol holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 7 and 20 respectively. Written reviews point the same way: 100% of D.E.A.D. Protocol's written reviews are positive against 89% of Nightmares Within's.

UpkeepUpdate frequency

D.E.A.D. Protocol ships an update every 3 days, Nightmares Within every 2 weeks. The most recent releases landed on September 26, 2026 and October 5, 2026 respectively.

Scorecard5 real differences · 5 level
D.E.A.D. Protocol versus Nightmares Within: the parameters behind the verdict, then further details
ParameterD.E.A.D. ProtocolNightmares Within
PriceFreeFree
Rating5.0 (7 ratings) — better4.5 (20 ratings)
Positive reviews100.0% of reviews — better88.9% of reviews
Number of ratings720 — better
Update frequencyEvery 3 days — betterEvery 2 weeks
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size677 MB996 MB
Age rating12+17+
DeveloperNathan SheetsWaterBear Games

Customer experience

D.E.A.D. Protocol

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Nightmares Within

All ratings20 ratings
Positive90.0%
Neutral5.0%
Negative5.0%
Written reviews9 reviews
Positive88.9%
Neutral11.1%
Negative0.0%

In-app purchases

4 purchases

D.E.A.D. Protocol

One-time4
  • Lunchbox$0.99
  • Cooler$1.99
  • Pantry$4.99
Show 1 more
  • Truckload$9.99
17 purchases

Nightmares Within

One-time17
  • Beginner's Gift Pack$0.99
  • Judgment Gift Pack$1.99
  • Limited-Time Gold Pack$2.99
Show 14 more
  • Monthly Member$4.99
  • Precision Part Supply Pack$4.99
  • Upgrade Boost Pack2 variants$4.99
  • Moderate Coins$4.99
  • Permanent VIP$9.99
  • Premium Pass$9.99
  • Precision Part Supply Pack$9.99
  • Limited-Time Gold Pack$9.99
  • Maul Pack$9.99
  • Pile of Coins$9.99
  • Premium Pass +$19.99
  • Loads of Coins$19.99
  • Sea of Coins$49.99
  • Ocean of Coins$99.99

Questions

Is D.E.A.D. Protocol free?
D.E.A.D. Protocol is free to download, with in-app purchases available.
Is Nightmares Within free?
Nightmares Within is free to download, with in-app purchases available.
Which has better reviews, D.E.A.D. Protocol or Nightmares Within?
D.E.A.D. Protocol is rated higher. D.E.A.D. Protocol averages 5.0 out of 5 from 7 ratings, while Nightmares Within averages 4.5 from 20 ratings.
Do D.E.A.D. Protocol or Nightmares Within have ads?
Nightmares Within shows ads; D.E.A.D. Protocol does not.
Which is updated more often, D.E.A.D. Protocol or Nightmares Within?
D.E.A.D. Protocol ships an update every 3 days, and Nightmares Within every 2 weeks. Most recently, D.E.A.D. Protocol was updated on September 26, 2026 and Nightmares Within on October 5, 2026.

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