We were really pleased with Serpwatch, so much that we moved all our rank tracking there and restacked when it went back to AS.
Unlike a lot of SEO tools there, it does just one thing, but it does it really well.

The biggest issue I have with the tool right now is the keyword check usage significantly increased with the move to v2, without us doing anything or changing anything to the project structure. Removing 1 taco for that

What we love:
- alert system, native integration to Slack
- great flexibility for tracking intervals
- ability to see screenshots of the SERPs
- cannibalization highlights was a really nice addition

Where it lacks a bit:
- the keyword check credit should be shown live in the configuration of a particular project, not for the account overall. So you can understand which project overconsumes credits, if any
- the move to the v2 was a bit messy, our Slack alerts are still a mix of v1 & v2, hopefully it will be sorted out
- not a big fan of their average ranking calculation. Ahref's share of search algorithm is definitely superior
- no historical rankings, it only tracks from when you start the tracking
- an integration with