What are some alternatives?
When comparing ipstack and ipapi, you can also consider the following products
IP2Location - IP2Location is a leading provider of IP intelligence service.
CentminMod - Centmin Mod is a LEMP stack shell menu based auto installer.
ipgeolocation.io - Free IP Geolocation API and Accurate GeoIP Lookup Location Database
geoPlugin - geoPlugin is a free and easy webmaster resource that provides geolocation technology.
WIPmania - WIPmania provides a number of free products and services based on WorldIP geolocation database.
Near - Near is a Location-aware Data Platform that helps you Unify & Enrich your data, Take action and Measure Results.