Modo, you can get a 15 day demo at foundry’s site, and you can buy licenses on steam for modo indie. They even do quarterly rentals for the full version that are pretty reasonable.
Side FX Houdini has a free Apprentice version you can try out for an unlimited ammount of time and you can export objs with UV sets that will work in Unreal. For 199 a year you can get Houdini indie which gives you full access to Houdini’s fbx exporter as well as houdini engine for Unreal which is awesome.
Autodesk does monthly subscriptions on Max and Maya which aren’t cheap, but if you absolutely must work with their products, it’s a good way to go (less than 200 a month).