Horizon Labs vs iOverlay
iOverlay is an iRacing overlay app with a free tier and a Pro subscription. Horizon Labs works with iRacing and 35 other games and has no subscription.
Price
Pay what you want from €4.99, one-time, free updates
Free tier; Pro €4.95 per month, €9.95 per 3 months or €29.95 per year
Games
36 racing games: Forza Horizon and Motorsport, F1, DiRT, GRID, WRC, BeamNG.drive, LFS, Assetto Corsa, iRacing, LMU, rFactor, Automobilista, Project CARS, RaceRoom, truck sims, Gran Turismo
iRacing
Overlay / screens
In-game overlay; LAN mode shows the HUD on another PC, a tablet or a phone
In-game overlays
HUD editor
Horizon Labs Designer included: build a HUD from scratch or from 104 templates, bind 80 telemetry fields
Overlay customisation, mostly in Pro
Streaming
Browser source for OBS, Streamlabs, Meld Studio and TikTok LIVE Studio
Streamer garage cover and Twitch chat integration
Platform
Windows 10 and 11 (x64)
Not stated on the pages checked
iOverlay facts come from its own pages, checked on 2 November 2026: iOverlay, iOverlay help. Products change: check them before you buy.
Choose iOverlay if
- You only race iRacing and want its iRacing-specific overlays.
Choose Horizon Labs if
- You play more than iRacing.
- You want to build your own HUD design.
- You prefer a one-time price.
Horizon Labs 2.0 · Designer included
Get Horizon Labs from €4.99