Aggregating multiple links involves splitting traffic on one end and combining it on the other. This requires special software like https://speedify.com . However I am not sure if this software can increase throughput or just improves reliability. Source: about 1 year ago

There is speedify.com that does bonding through software. Source: over 1 year ago

What you want sounds like what Speedify does. Source: over 1 year ago

Buy a GLiNet Slate AX or Flint router (~$100). Install SmoothWAN on the router (free). Subscribe to Speedify (~$5/mo) and activate in SmoothWAN. When in Bali, buy a 4G/LTE modem and a local data card (~$60), Telkomsel and XL are good provider options. Connect the villa provided router and your new 4G/LTE modem to the SmoothWAN router. In Speedify settings connect villa internet as Primary and your cellular... Source: over 1 year ago

Not sure if this will help in your particular situation but this is what I use when I have to live Stream. https://speedify.com. Source: over 1 year ago

Last year I stumbled upon https://66analytics.com/ and liked it quite a lot. It is very light but covers quite a lot of stuff that I wanted to have. It’s a one time payment but only around $60 I think and does not have any limitations after that. I liked the one time payment idea and that I could just run it on a shared Hoster that I had already around. Source: over 2 years ago

This is just another managed version of https://66analytics.com/ I like that you state GDPR and other compliance but I am 100% sure it‘s not (just because 66analytics is claiming that, doesn’t mean it’s right. Have you checked anything back with a lawyer? - Source: Hacker News / almost 3 years ago

For anyone interested, I think this is just a hosted version of https://66analytics.com/. Source: almost 3 years ago