250+ iOS apps & games curated and reviewed
The best 12 points citizen science apps and games on iPhone average 4.4★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | May 2026 |
| 2 |  | Free | — | No | No | Aug 2026 |
| 3 |  | Free | 4.9★ (8.8M) | No | No | Aug 2026 |
| 4 |  | Free | 4.8★ (26) | No | No | Aug 2026 |
| 5 |  | Free | 4.7★ (582) | No | No | Aug 2026 |
| 6 |  | Free | 3.7★ (36) | No | No | Jul 2026 |
| 7 |  | Free | 5.0★ (9) | No | No | Aug 2026 |
| 8 |  | Free | 4.9★ (16) | No | No | Aug 2026 |
Contribute to real scientific research by easily entering data for various surveys. Participate in projects like snow depth measurement or storm assessment, with your submissions visible on a dedicated website. This platform facilitates public involvement in scientific discovery and data collection.
Instantly identify music playing around you or in other apps. Discover nearby concerts, lyrics, and videos. Access your music history and get personalized recommendations.
A daily music trivia game where you guess songs by identifying them from progressively revealed instrumental layers. Challenge your friends and expand your music knowledge with a vast library of tracks across multiple genres.
Decide the winners of musical duels between popular artists. Discover new music daily across various genres by streaming songs and voting for your favorites. Save tracks to your preferred music streaming service and create your own music battles for the community.
Participate in real scientific research by classifying data for projects across various disciplines. Contribute to discoveries and datasets that advance knowledge, all from your mobile device. This platform connects volunteers with professional researchers for impactful citizen science.
Compete in music-themed leagues by submitting tracks and voting on others. Manage private or public leagues with friends, track stats, and enjoy broad streaming service integration. It's a fun way to test musical taste and discover new music.
A social music app for rating, reviewing, and sharing songs, albums, and artists with friends and other music enthusiasts. Discover new music through people's opinions rather than algorithms and build a personal collection of your favorites.
Request songs, discover new music, and influence playlists at participating venues like bars, restaurants, and gyms. This app lets you vote on upcoming tracks and sync your favorites with Spotify. You can also unlock venue rewards and share your music choices on social media.
Gain deep insights into your music listening habits with detailed analytics for your Spotify account. Explore top tracks, artists, albums, and genres, visualize your taste with charts, and discover your unique listening personality. Share your favorite stats with friends.
Test your music knowledge in this interactive trivia game. Listen to song snippets, guess the artist and title, and place them on a timeline to score points. Play solo or with friends, choosing from various music genres.
Predict music chart performance to win cash prizes in skill-based contests. Officially licensed by major record labels, this platform uses real streaming data to determine winners. Enter contests with low fees and cash out your earnings quickly.
This app enhances a physical card game by playing music associated with scanned cards. Players arrange songs chronologically to build a music timeline and compete to collect hits. It's designed for easy setup and can be played competitively or cooperatively.
Engage in a fun and educational trivia game with thousands of questions across various categories. Challenge friends, climb leaderboards, and test your knowledge with engaging gameplay and helpful hints.
Discover emerging artists and influence their success in a unique music competition. Artists earn real money based on fan votes, while fans get to support their favorites and discover the next big stars across various genres. It's a direct connection between creators and their audience, bypassing traditional industry gatekeepers.
Test your music knowledge by identifying songs from short intros. Compete daily, play free rounds, or focus on specific artists. Track your progress and aim for high scores.
Engage in music-themed challenges similar to fantasy sports. Build a virtual record label, sign songs, and earn points based on their streaming performance. Compete for prizes like merchandise and exclusive experiences.
Discover your unique music preferences through an engaging quiz. Receive personalized playlists and explore the science behind why you enjoy certain sounds. Dive deeper into your musical identity.
Connect with music lovers through a social networking platform. Stream music for free, discover global charts, and share your favorite tracks and playlists. Easily create and discover curated music collections.
This app connects you with a community of music enthusiasts to identify songs you can't recognize. If algorithmic music identifiers fail, this platform offers a human-powered solution to name tunes based on humming, singing, or recordings. Engage in music quizzes and climb rankings by identifying others' songs.