Thunkable - Powerful but easy to use, drag-and-drop mobile app builder.
UserTrue - Free peer to peer app reviews. Give a review, get a review for free.
Bubble.io - Building tech is slow and expensive. Bubble is the most powerful no-code platform for creating digital products.
AppReviewDesk - App Review Exchange, Free App Websites , Twitter Marketing for apps.
BuildFire - BuildFire is the easiest way for small businesses to build a mobile app in a matter of minutes for iOS and Android.
Review Lancer - Reviewlancer also provide a platform for Developers or Marketers to free exchange app reviews and ratings. Now market your app for zero budget.