NetSpot might be a bit more popular than Acrylic WiFi Heatmaps. We know about 1 link to it since March 2021 and only 1 link to Acrylic WiFi Heatmaps. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Take a look at Acrylic (acrylicwifi.com). Last I looked, licensing wasn't onerous. Source: over 2 years ago
That being said u/pixelrogue, this could also be a channel/wireless issue too. I would also suggest using. NetSpot to check channels. Source: over 2 years ago
Ekahau HeatMapper - The Free Wi-Fi Coverage Mapping Site Survey Tool
inSSIDer - inSSIDer Essential makes it easy to maintain small business WiFi.
TamoGraph Site Survey - Wi-Fi site coverage survey and modelling application
Vistumbler - Vistumbler is a wireless network scanner for Windows Vista and Windows 7. Features:
Wifi Analyzer - Wifi Analyzer is a handy tool which helps you to select a better channel for your wireless router.
www.jwaves.io - www.jwaves.io is online free service for Wi-Fi and DECT predictive surveys/ simulations.