AC
APEX/ENGINEER
your sim racing engineer
195+ cars · 112+ tracks · growing weekly· Per-car click-by-click ranges· Claude Sonnet 4.5 AI· Satellite track maps
// every game · every platform · one engineer

Your AI race
engineer for every sim.

Personal pit-wall expert for ACC, iRacing, Gran Turismo 7, Forza Motorsport, Forza Horizon, and drag setups. Describe the problem, drop your setup, get a real, technical answer. Works on PC, PlayStation, and Xbox — anywhere you race.

PC PlayStation Xbox Any racing game
TKMDA
Join thousands of sim racers already chasing their personal best with Marco.
Race car on track
live AI · pit wall
// real race photography
Drive anything.
$2.99 · forever
// brands, marques & builds the engineer knows
FERRARIPORSCHELAMBORGHINIBMW MMERCEDES-AMGMCLARENAUDI SPORTASTON MARTINBENTLEYNISSANFORDCHEVROLET+ many more
195+
Cars catalogued
112+
Tracks mapped
6
Racing games
AI
Claude Sonnet 4.5
Cars & tracks expanding weekly — Forza Horizon 5 alone has 700+ cars; we're working through them so the engineer knows every build you bring.
// what acctuner.com does

A real race engineer. On call. Every game.

Four things, done well. No fluff, no learning curve, no monthly fee.

01

Fix your setup

Tell the engineer what your car is doing wrong — understeer, snap oversteer, won't rotate, eats tyres. He returns concrete click-by-click changes with the why.

02

Snap & read

Take a photo of your in-game setup screen (any game, any platform) and the AI reads every number off the screen, auto-fills the form, and flags what's off.

03

Master every corner

Real satellite maps with braking points, turn-ins, apexes and throttle markers — corner by corner — for every official track on every supported game.

04

Talk to other drivers

Live chat room — Drivers Meeting — where you can share setups, ask questions, swap tunes, and learn from other sim racers in real time.

Any console
Any PC sim
Pay once
Claude Sonnet 4.5
// try the engineer free · no signup · one question

Ask Marco anything.

One question on the house. Tell him what your car is doing wrong, ask about a corner, or pick his brain about any technique. Real AI answer, no signup.

0/600 · 600 left
// what you get

Built for sim racers. Every game, every platform.

Setup AI

Tell the engineer what's wrong with your car. Get a real fix with numbers, click directions, and why.

Corner Guides

Real satellite maps with braking points, turn-ins, apexes and throttle markers — corner by corner.

Drivers Meeting

Live chat with other sim racers. Share setups, ask questions, learn from the community.

Race Theory

Trail braking, weight transfer, slip angle — every technique explained simply, with diagrams.

// pricing · one-time payment · no subscriptions

Pay once. Yours forever.

No monthly fees. No “premium tier” upsells. One small payment and every feature is unlocked for life — across every game, every track, every car.

Lifetime access
$2.99
one-time · pay once · keep forever
  • Ask the engineer anything, as many times as you want
  • Works with ACC, iRacing, Gran Turismo 7, Forza, and drag setups
  • Snap a phone photo of your in-game setup — AI reads every number
  • Per-corner braking & throttle guides for every track
  • Plain-English race theory with diagrams
  • Save every setup you build — yours forever
Unlock for $2.99

Secure Stripe checkout · every major card · no subscription · no auto-renewal

APEX/ENGINEER · 2026your sim racing engineer · all games · all platforms