238+ iOS apps & games curated and reviewed
The best river test apps on iPhone average 4.6★ across 238+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
Engage your logical thinking with a collection of challenging river crossing puzzles. Test your IQ and problem-solving skills with various riddles designed for both kids and adults. See if you can figure out the optimal solutions within given rules and restrictions.
Engage your logic skills with a collection of river crossing puzzles. Guide characters, animals, and items across a river while adhering to specific rules and constraints to find the optimal solution.
Prepare for your UK driving theory test with comprehensive revision materials. Access over 700 DVSA questions, hazard perception videos, and the complete Highway Code. Includes mock tests, AI-powered coaching, and video lessons to ensure you're ready to pass.
Prepare for your UK LGV/HGV theory test with comprehensive revision materials. Access over 900 DVSA questions, hazard perception videos, case studies, and the Highway Code. Features include AI-powered learning, voiceover support, and offline access.
Prepare for your UK motorcycle theory test with comprehensive revision materials. Access over 700 DVSA questions, interactive hazard perception videos, and the complete Highway Code. Features AI-powered learning, voiceover support, and offline access for uninterrupted study.
Prepare for your Dutch Caribbean driving theory test with over 4100 questions and professional explanations. Practice with unlimited mock tests and track your progress to ensure you pass on your first attempt. Available in English and Dutch, this app works offline and is ad-free.
Engage your mind with a collection of logic puzzles featuring simple graphics and intuitive controls. Solve intellectual challenges by manipulating objects and navigating them across a lake to reach new levels. Offers hints and solutions to aid your progress.
Prepare for your UK PCV theory test with comprehensive revision materials. Access official questions, hazard perception clips, and the Highway Code. Features include mock tests, AI-powered learning, and progress tracking.
Prepare for your DMV permit test with practice questions based on the official manual for your state. Study traffic signs and revise difficult questions. Access premium features like an exam planner and detailed results with a subscription or one-time payment.
Prepare for your driver's license and permit tests with engaging, state-approved online courses. Practice with unlimited questions and simulated exams, all on your schedule and any device. Parental tools are also available to track progress.
Prepare for the US Citizenship Civics Test with flashcards, practice tests, and audio for all 100 official questions. Includes state-specific information and real-time updates on government officials. Aimed at helping applicants pass their naturalization interview.
Measure your mobile network performance with detailed speed tests for download, upload, and latency across 3G, 4G/LTE, 5G, and WiFi. Analyze video streaming quality and compare network coverage in your area to find the best provider.
Access real-time water levels, flows, and temperatures for rivers worldwide. Ideal for sports enthusiasts and professionals, it offers detailed maps, navigability information, and customizable alerts for over 40,000 hydrometric stations.
Prepare for your driver's license, CDL, or motorcycle permit tests with comprehensive courses and practice questions for all 53 states. Features include illustrated questions, handbook references, and personalized review options. Take standard, stress, and actual knowledge tests to gauge your readiness.
Easily test your internet connection speed on mobile devices. Accurately measure Wi-Fi and cellular network performance, including download, upload, ping, and jitter. Track historical results and troubleshoot connectivity issues.
Prepare for your Commercial Driver's License (CDL) permit exam with state-specific practice tests and expert guidance. This app offers over 600 questions, detailed explanations, and progress tracking to help you pass on your first attempt.
This app facilitates at-home COVID-19 self-testing using an FDA EUA Authorized OTC antigen rapid test. It provides a simple, 15-minute process with step-by-step video guidance for easy result interpretation and sharing.
A classic puzzle game where you strategically place falling blocks to form complete lines. Clear lines to prevent the board from filling up. Enjoy a relaxing yet challenging brain-teasing experience with beautiful visuals and no time pressure.
Prepare for your driver's license exam with over 1000 practice questions and detailed explanations. This app offers state-specific tests, road sign learning, and a real exam simulator to make studying easy and effective.
Prepare for the USCIS Citizenship test with practice questions and flashcards. Study US History and Government, updated with the latest official questions and answers. Take practice tests to gauge your readiness for the interview.