I've been using PageScreen for 3 months now. I have over 300 pages/sites being monitored and over 7,000 screenshots per month.

I've seen some of the negative feedback and I disagree with all of it. Pagescreen had an enjoyable and usable experience the day I joined. They've added updates over the few months I've been using it and it's great to see!
I wouldn't be on AppSumo if I expected 100% commercially ready software every time, but I bought the most expensive Pagescreen tier because it is already checking all my boxes and I can see it getting better as I use it. Sometimes I wonder about the single taco reviews, if I felt that strongly that it isn't a good deal I'd probably just get the refund and get on with my life.

The good far outweigh anything lacking. The "How does this capture look?" feature seems to get the attention of the developer, because I've had broken monitoring get fixed after rating them poorly a few times.

I haven't needed to speak with support AT ALL. I've never had one issue with Pagescreen working as expected and I've only ever reached out to them with feature requests.

The good:
- The user interface is good and fast.
- Easy to add new monitoring, captures, and view the history.
- Change detection notification is simple to set for each monitor
- Beautiful visualization of the changes/differences between pages
- Tagging of interesting screenshots for later review
- Storing a HUGE number of screenshots for 12 months
- Native integration with Slack!
- Webhooks, REST API, the Screenshot API

The not so good:
- Selecting the comparison screenshot is tricky if two templates are being used to screenshot two different browser sizes on the same page monitor.
- Some sites/pages actively resist pagescreen and captures are ruined by pop-ups or other elements. This is not Pagescreen's fault and using the "CSS selector" tracking element get's around it.
- Bulk downloading of screenshots doesn't seem possible through the web UI

Tips for others using PageScreen:
- Rate your captures! Bad capture ratings get noticed, I've seen it.
- Use "CSS selector" to track the specific DIV or area
- Using the "CSS selector" mitigates many issues with pages that have dynamic elements triggering "change notifications."
- Use the location settings to retrieve the local version
- Bulk import URLs to monitor with CSV or paste

Overall, Pagescreen gets 5 tacos because it's already paid for itself in the 3 months I've had it. Snap it up if it ever comes back on AppSumo.