Comparison

Engine Simulator vs World Simulation

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

Head to head
About

Engine Simulator

Explore the physics of piston engines by building, tuning, and testing them. Simulate combustion and rigid body motion in real-time. Compete with others on a global leaderboard by posting your creations.

Highlights
  • Physics-based engine simulation
  • Build engines from scratch
  • Tune fuel and ignition maps
  • Real-time power and torque readings
  • 3D engine visualization
  • Global leaderboard
Features
Read full description

Engine Simulator is a physics-based piston engine sandbox. The sound and motion come from a real rigid body simulation of the crank, pistons, valves, and combustion, not recordings. Start an engine, work the throttle, and tune its fuel and ignition maps in the ECU. Build one from scratch (layout, bore, stroke, cam, firing order) or describe what you want and have it generated on device. Watch it run in 3D, read live power and torque on the dyno, or push it past the limiter until it breaks. Post your engines to the global leaderboard and compare against other builders. Engine Simulator for iOS is an unofficial port. It is not affiliated with, endorsed by, or supported by AngeTheGreat (Ange Yaghi), the creator of the original open source Engine Simulator. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Community Guidelines: https://enginesimulator.app/community-guidelines.html Privacy Policy: https://enginesimulator.app/privacy-policy.html Support: https://enginesimulator.app/support.html

About

World Simulation

Explore the entire Earth by driving cars, flying planes, or piloting helicopters. Visit any real-world location, experience live weather, and interact with over 45 diverse vehicles. Engage in various game modes, customize your character, and play with friends globally.

Highlights
  • Drive or fly anywhere on Earth
  • Real-world roads, buildings, and terrain
  • Live weather and sun position
  • Over 45 unique vehicles
  • Multiple game modes
  • Character customization
  • Multiplayer and social features
Features
Read full description

Drive anywhere on Earth. Type any address — your street, your hometown, the other side of the planet — and it's there: real roads, real buildings, real terrain. Race a Formula car through Paris, pick up taxi fares in New York or fly over Tokyo at sunset. The whole world is your playground, on iPhone and iPad. NEW IN 1.2: THE PLANES UPDATE • The MYJ, the double-decker giant, offered to everyone by MYJ Capital • Aircraft Carrier, Water Bomber, Mayday, Precision Jump, Air Race and Air Traffic Control • A cabin in every plane: invite friends, fly as copilot, load your car and jump together • The busiest airports modelled: travel as a passenger or as the pilot • Vertical take-off fighter, military airlifter, seaplanes, sling-load helicopters, a hypersonic jet that reaches orbit • A shop refreshed every week, a Battle Pass, and your own skin made from photos THE REAL WORLD, EVERYWHERE • Every country, every city, every road: search any place and start driving • Real sun position, live local weather and live wind • Real planes in the sky: fly alongside live flights • 150+ hand-built 3D landmarks, from the Eiffel Tower to the Pyramids of Giza • GPS with voice guidance, autopilot on the road and in the air • Lit 3D runways at 11,000+ airports, with autoland • Live: Grand Prix from a driver's seat, matches in real stadiums, rocket launches, concerts • Download a city and play offline 45+ VEHICLES • Cars: electric sedan, SUV, pickup, supercar, muscle car, off-roader, police and open-wheel racer • Aether, the thruster hypercar that flies and does flips, and the self-driving Taxi Robot • Trucks, motorbikes, motocross, bicycles and scooters • Planes from the biplane to the double-decker giant, helicopters and boats • Paint and wraps for every vehicle, a 3D garage your friends can visit EVEN MORE MODES • World Drive & Flight: free roam across the whole planet (free) • Taxi and 50 timed City Records (free) • Formula on 24 real circuits, Rally, drifting and speed cameras • Party: Kart, Fun Run, Sumo, Hot Potato, Car Football and Ramp & Target • Trucking, convoys and helicopter jobs • Police chases, manhunts and military battles • Heroes, Horror and Space: land on the Moon or Mars • Battle Royale, Hide & Seek, Blend In and Rift Run • Story mode: 16 chapters to try every mode • Passenger GPS: follow your real train or car trip live • Home: rebuild your apartment in the real city and invite friends YOUR CHARACTER • 6 heroes with unique powers, 80+ emotes, skins, outfits and pets that follow you • Create your own skin or pet from photos, and sell it to other players • Your own scanned face, player levels and stats • Face tracking: your real expressions, live in the game PLAY TOGETHER • Worldwide or country public sessions, private rooms by code • A lobby before every mode, then everyone starts together: 3, 2, 1 • Friends, profiles, credit gifts and chat • Shared GPS: share your route or your flight live • Live leaderboards, Game Center achievements MADE FOR IPHONE AND IPAD • Precise touch controls, pinch-to-zoom camera and haptics on iPhone • Every screen playable with a game controller • iPhone Duo: Duo Race for two on one phone laid flat • Record your games in one tap, with camera and mic • Widgets and Live Activities for your flights FREE, NO ADS Free roam, Flight, Taxi and City Records are free. The Complete Edition unlocks every mode, future modes included, plus every season's premium Battle Pass and 80,000 credits. 24-hour free trial. Optional credit packs. No ads, no subscription. Map data © OpenStreetMap contributors.

Screenshots

Engine Simulator4 screens
World Simulation4 screens

Verdict

The call

The clearest difference is rating: Engine Simulator at 4.3 against World Simulation's 3.4. Engine Simulator also leads on ratings volume (173 vs 5) and chart position (#54 vs unranked). World Simulation's advantage is update cadence (weekly vs every 3 weeks) and review sentiment (86% vs 76%). On price, ads, 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. Engine Simulator sells 1 one-off in-app purchase and World Simulation sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Engine Simulator holds the better App Store score, 4.3 against 3.4. That said, the two scores are not equally well evidenced: Engine Simulator has 173 ratings behind it against 5, so its average is the more settled of the two. Written reviews complicate that: 76% of Engine Simulator's written reviews are positive against 86% of World Simulation's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Engine Simulator ships an update every 3 weeks, World Simulation weekly. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

Scorecard5 real differences · 6 level
Engine Simulator versus World Simulation: the parameters behind the verdict, then further details
ParameterEngine SimulatorWorld Simulation
PriceFreeFree
Rating4.3 (173 ratings) — better3.4 (5 ratings)
Positive reviews75.5% of reviews85.7% of reviews — better
Number of ratings173 — better5
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#54 — better—
DevicesiPhone, iPad, MaciPhone, iPad, Mac, Vision Pro — better
Requires iOS18.618.0 — better
Further details — not scored
Size22 MB1.9 GB
Age rating+49+
DeveloperMUHAMMAD SAAD ATADevpool

Customer experience

Engine Simulator

All ratings173 ratings
Positive84.4%
Neutral5.2%
Negative10.4%
Written reviews143 reviews
Positive75.5%
Neutral9.1%
Negative15.4%

World Simulation

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews7 reviews
Positive85.7%
Neutral14.3%
Negative0.0%

In-app purchases

1 purchases

Engine Simulator

One-time1
  • Lifetime$8.99
10 purchases

World Simulation

One-time10
  • 6,000 Credits$0.99
  • 20,000 Credits$2.99
  • Complete Edition$3.99
Show 7 more
  • Explorer Pack$3.99
  • Action Pack$3.99
  • 36,000 Credits$3.99
  • Complete Edition Upgrade$4.99
  • 80,000 Credits$8.99
  • 170,000 Credits$17.99
  • 450,000 Credits$44.99

Questions

Is Engine Simulator free?
Engine Simulator is free to download, with in-app purchases available.
Is World Simulation free?
World Simulation is free to download, with in-app purchases available.
Which has better reviews, Engine Simulator or World Simulation?
Engine Simulator is rated higher. Engine Simulator averages 4.3 out of 5 from 173 ratings, while World Simulation averages 3.4 from 5 ratings.
Do Engine Simulator or World Simulation have ads?
Neither Engine Simulator nor World Simulation shows ads.
Which is updated more often, Engine Simulator or World Simulation?
Engine Simulator ships an update every 3 weeks, and World Simulation weekly. Most recently, Engine Simulator was updated on November 7, 2026 and World Simulation on November 6, 2026.

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