Comparison

Gun Builder Simulator vs Knife Simulator 3D

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

Head to head
About

Gun Builder Simulator

Explore a vast arsenal of realistic firearms, from assault rifles to pistols. Customize weapons with various attachments and experience authentic mechanics, including muzzle flashes and shell ejection. Enjoy unlimited ammo and simulation shooting with over 150 levels.

Highlights
  • Unlimited Ammo
  • Realistic Muzzle Flashes
  • 3D Ejecting Shells
  • Functional Attachments
  • Weapon Customization
  • Simulation Shooting
  • Shooting Range
Read full description

From the most popular military assault rifles to the pistols, machine guns, sniper rifles, shotguns, sub-machine guns with unlimited ammo, realistic muzzle flashes and 3D ejecting shells and functional attachments. Every single weapon is for free with all attachments unlocked. Contains many different camouflage accessories such as optics, lasers, lights, reflex sights and much more! All guns are completely customizable! If you are in love with guns as we are you'll experience an unforgettable experience! Airsoft fans will love this. ***FEATURES*** - Unlimited Ammo - Super Slow motion - Shake sensors to fire - Realistic smoke and muzzle flashes - 3D gun bullets and shells - Realistic Sounds - Authentic Weapon Mechanics - All screen supported modern gun weapons - Detailed HD & cool graphics - Simulation shooting - Selective fire - Shooting Range - Over 150 levels We have collected the best firearms in the world for our simulator: ***WEAPONS INCLUDE*** • Bushmaster ACR (adaptive combat rifle) • 1911 pistol • Dragunov SVD Sniper rifle • MPA .45 ACP submachine gun • M4 Tactical Shotgun • AR-15 custom carbine Assault Rifle When you completely build your weapon you can take screenshot and share it with friends or via social networks. Whatever you choose in build options will be saved on your device so you do not have to worry about saving. In the options you can choose how to shoot with your gun, select slow or normal motion, chose unlimited ammo or the normal number of bullets within magazine. It’s the same for vibrations, smoke effects and screen rotation. Download the best gun builder app for free now!

About

Knife Simulator 3D

Experience a realistic knife simulation with a collection of 16 interactive 3D automatic knives. Enjoy authentic opening sounds and animations, with various opening mechanisms like shaking or swiping. It's a safe way to explore your interest in knives.

Highlights
  • 16 types of 3D knives
  • Interactive knife models
  • Realistic opening sounds
  • Real animation and controller
  • Multiple opening mechanisms
  • Safe virtual gameplay
Features
Read full description

Discover a collection of 16 interactive 3D knife models in a realistic virtual simulator. Explore butterfly knives, karambits, automatic knives, folding knives, and other unique designs. Each model features detailed 3D graphics, smooth opening animations, and realistic sound effects. Every knife has its own controls. Tap a button, swipe across the screen, or move your device to open and interact with different models. Select the butterfly knife and shake your device to start the opening animation. Once it is open, press and hold the handle to lock it in place. Then move your device to hear realistic motion sounds. FEATURES: • 16 interactive 3D knife models • Butterfly knives, karambits, automatic knives, and folding knives • Smooth and realistic opening animations • Detailed 3D graphics • Realistic sound effects • Touch, swipe, and motion controls • Simple and responsive interaction Choose your favorite 3D knife and discover how each virtual mechanism works. This app is a virtual simulator created for entertainment purposes only. It does not contain real weapons.

Screenshots

Gun Builder Simulator4 screens
Knife Simulator 3D4 screens

Verdict

The call

The clearest difference is in-app purchases: Knife Simulator 3D at none against Gun Builder Simulator's 1. Knife Simulator 3D also leads on review sentiment (100% vs 68%) and rating (4.7 vs 4.3). Gun Builder Simulator's advantage is update cadence (every 5 months vs every 20 months) and ratings volume (329 vs 38). On price, 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. Gun Builder Simulator sells 1 one-off in-app purchase. Knife Simulator 3D asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Knife Simulator 3D holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: Gun Builder Simulator has 329 ratings behind it against 38, so its average is the more settled of the two. Written reviews point the same way: 68% of Gun Builder Simulator's written reviews are positive against 100% of Knife Simulator 3D's.

UpkeepUpdate frequency

Gun Builder Simulator ships an update every 5 months, Knife Simulator 3D every 20 months. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

Scorecard7 real differences · 3 level
Gun Builder Simulator versus Knife Simulator 3D: the parameters behind the verdict, then further details
ParameterGun Builder SimulatorKnife Simulator 3D
PriceFreeFree
Rating4.3 (329 ratings)4.7 (38 ratings) — better
Positive reviews67.6% of reviews100.0% of reviews — better
Number of ratings329 — better38
Update frequencyEvery 5 months — betterEvery 20 months
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size95 MB275 MB
Age rating17+4+
DeveloperMarijana PericValeriya Proshina

Customer experience

Gun Builder Simulator

All ratings307 ratings
Positive85.0%
Neutral3.9%
Negative11.1%
Written reviews34 reviews
Positive67.6%
Neutral8.8%
Negative23.5%

Knife Simulator 3D

All ratings38 ratings
Positive92.1%
Neutral5.3%
Negative2.6%
Written reviews17 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Gun Builder Simulator

One-time1
  • Premium Version$2.99
None

Knife Simulator 3D

No in-app purchases

Questions

Is Gun Builder Simulator free?
Gun Builder Simulator is free to download, with in-app purchases available.
Is Knife Simulator 3D free?
Knife Simulator 3D is free to download, with no in-app purchases.
Which has better reviews, Gun Builder Simulator or Knife Simulator 3D?
Knife Simulator 3D is rated higher. Gun Builder Simulator averages 4.3 out of 5 from 329 ratings, while Knife Simulator 3D averages 4.7 from 38 ratings.
Do Gun Builder Simulator or Knife Simulator 3D have ads?
Both Gun Builder Simulator and Knife Simulator 3D show ads.
Which is updated more often, Gun Builder Simulator or Knife Simulator 3D?
Gun Builder Simulator ships an update every 5 months, and Knife Simulator 3D every 20 months. Most recently, Gun Builder Simulator was updated on October 24, 2026 and Knife Simulator 3D on October 22, 2026.

Other comparisons