Dimension scores are derived from public data and fields; weighted into the composite. Reference only.
iOverlay is a race-assistance overlay tool built specifically for iRacing. It offers features such as standings, relative, fuel calculation, track map, spotter, incident alerts, multiclass traffic warnings, pit entry/exit assistance, Twitch chat integration, and stream covers. Based on the information on the page, it does not appear to include AI models or generative AI capabilities; more accurately, it is a real-time information display and calculation tool based on iRacing telemetry data.
Its main value lies in presenting scattered but critical race data in overlay form. Standings can show position changes, license status, iRating, car brand, gaps, last lap, delta, pit status, and more. Relative helps monitor nearby drivers and includes relative time calculations. Fuel calculator can predict remaining laps and refueling needs based on average fuel consumption. The Pro version also adds a fully customizable track map, flat map, spotter, yellow flag/incident alerts, multiclass faster-car warnings, team fuel sharing, and Race control.
The limitations are also clear: it currently supports only iRacing, with no plans to support other games; iRacing must be run in windowed or borderless mode, as overlays cannot be displayed in fullscreen mode; and data quality depends on max-cars settings, account connection type, and the completeness of telemetry data. Windows scaling, Afterburner/RivaTuner, AMD Adrenaline, G-Sync, and similar tools may also cause stuttering or display issues.
The free version already includes basic standings, relative, a fuel calculator with fixed content, a non-customizable track map, simple Twitch chat integration, a stream garage/setup cover, and separate configurations for practice, qualifying, and race sessions. Pro is subscription-based: 1 month for €4.95, 3 months for €9.95, and 12 months for €29.95, with the annual plan working out to about €2.50/month. Advanced customization, all overlays, Race control, and team fuel sharing are Pro benefits, making the pricing fairly attractive for heavy iRacing users.
Its strengths are comprehensive coverage of a very specific use case, making it especially suitable for multiclass racing, endurance events, streaming, and players who need detailed telemetry assistance. The FAQ provides substantial guidance on common issues such as installation, subscription restoration, VR, and display problems, and there is also a Discord community. Downsides include the lack of visible information in the main page about Chinese-language support, payment methods, privacy policy, and open API availability. New users may also need to deal with compatibility issues related to windowed mode, display scaling, and GPU utilities.
The page does not provide information about access from mainland China, payment availability, or network restrictions, so its accessibility from China should be considered unknown. If stable access or payment is not possible, users may consider other telemetry/overlay/spotter tools within the iRacing ecosystem as alternatives, but specific options should be evaluated separately based on accessibility and individual racing needs.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on ioverlay.app official site.
ioverlay.app is an Unknown Gaming provider. TG4G tracks its product information, with monthly pricing from $5.40, an overall rating of 7.0/10, and a China-accessibility score of Workable. Click "Visit Official Site" to reach ioverlay.app directly.