What are some alternatives?
When comparing SimPholders and React Native Starter, you can also consider the following products
IBM MobileFirst - IBM MobileFirst provides enterprise mobility solutions.
Evothings - Evothings is a mobile application enabler for the Internet of Things (IoT) industry
Contus Group Clone - Contus Group Clone is a cloning to script to build mobile applications.
B4X - Cross platform development tools for native iOS, Android, desktop and server applications.
Anko - JetBrains is a cutting-edge software vendor specializing in the creation of intelligent development tools, including IntelliJ IDEA – the leading Java IDE, and the Kotlin programming language.
Android Survey Developer - Android Survey Developer lets you create industry strength mobile surveys for Android, by developing on your Windows desktop