The best CRM isn't the one with the most features — it's the one your sales team actually logs into every day.
The CRM market is full of powerful options, but the most common reason CRM projects fail is over-complexity, not missing features. Even the best CRM is useless if the sales team doesn't enter data.
First criterion: ease of data entry
Measure how many clicks it takes to log a call or a deal. If it takes more than a few seconds, the sales team will gradually stop entering data.
Second criterion: fit with your sales cycle
Can the pipeline stages be customized to your specific process?
Do the default reports answer your sales manager's real questions?
Can it connect to your other tools (email, phone, invoicing)?
Pilot before a final decision
Before a full purchase, trial the CRM with a small team for a real month. Actual team behavior tells you more than any sales demo.