The best part is that it's easy to integrate, free of cost (as long as you have enough users), has an API which makes integration with other platforms like Zapier seamless without any hassle at all! I don't think there are many downsides in this product so far but if they could make things easier by adding more integrations then sure we can talk about them too :) Integration was not very smooth when compared against others such as GatsbyJS or Nextjs because their documentation wasn’t good either way around hence took some time before everything worked out fine.
It does what its supposed do i guess? As mentioned earlier though integrating something else requires quite complex workarounds otherwise one would end up doing double/triple works just to get through each step smoothly - maybe thats how these products were made initially back during those times where most developers didnot know much programming languages.