WaterLinx | Citizen Science by SPOTTERON GmbH






9+ similar apps compared and reviewed
Whether you want more options like MartleyRocks or a completely different take on the same concept, our curated list of 9+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.



















Master financial terminology and improve your English reading comprehension with curated articles and parallel translation. Unlock a world of financial opportunities through interactive learning tools designed for professionals, students, and enthusiasts.


Identify rocks with AI and gain a deep understanding of their composition and formation. This app is designed for students and enthusiasts to learn geology beyond simple identification, offering clear explanations and visual tools for study and fieldwork.


Master Serbian numbers with interactive tests and a handy converter. This app caters to all learning levels, from beginners to advanced speakers, and is recommended by teachers.


This app offers an interactive and effective method to learn Quranic Arabic vocabulary. It features adaptive learning, audio pronunciation, and progress tracking to enhance your studies. Suitable for self-learners and classroom use, it supports 11 languages.