Pipedrive was built by sales people who were tired of CRMs designed for managers to report from rather than for reps to work in. That origin still shows. The pipeline view is the whole product, every deal has a next action, and the system nags gently until you set one.
If your problem is that nobody updates the CRM, this is the most likely solution on this page.
Strengths
Adoption, first and foremost. A new rep is productive in a morning. The activity based model means the pipeline stays current because updating it is how you do your job rather than a separate admin task. Email integration is clean, and the mobile app is genuinely good for someone working between meetings.
Automation on the middle tiers is more capable than the price suggests, covering the routine follow up sequences that consume a rep's morning.
Limitations
It is a sales tool, not a customer platform. Marketing automation is an add on and a thin one. Customer service and ticketing are not present. Reporting is good for pipeline and activity, and thin for anything else. Custom objects do not exist, so if your business needs to model something that is not a person, an organisation or a deal, you will be improvising.
Pricing is in dollars, and the useful tier is Professional rather than the entry one, so price accordingly.
Who should buy it
Sales led businesses of three to fifty reps with a straightforward pipeline. Agencies, professional services, equipment sales, anything where a person moves an opportunity through stages. If you need marketing automation and service in one place, look at Zoho or HubSpot instead.