Depends on what type of business are you running. There are literally hundreds of thousands of apps available. It’s very tough to say – “yes, this one is the best!” I recommend you reading this Top applications for Salesforce list (https://www.omi.co/crm-configuration/15-awesome-salesforce-tools-to-incorporate-in-2018/), that has different apps for different aspects of business, such as sales, customer service, etc.
I found below blogs as much useful which explains the use of Apps that can help you.
https://smartcloudconnect.io/10-best-salesforce-apps-time-savers/
https://neilpatel.com/blog/must-have-salesforce-apps/
Best Regards,
Sandhya
You can find the top most Salesforce apps from below URL itself.
https://appexchange.salesforce.com
Please search based on your needs and you will see the top most trending apps.
FYI, I jsut searched the "field service software" and I have found the "FieldAx" at top.
https://appexchange.salesforce.com/appxSearchKeywordResults?keywords=field%20service%20software
I recommend you reading this Top applications for Salesforce list (https://www.omi.co/crm-configuration/15-awesome-salesforce-tools-to-incorporate-in-2018/), that has different apps for different aspects of business, such as sales, customer service, etc.
Please refer the below link
https://www.salesforceben.com/top-10-popular-appexchange-apps/
Thanks