Orbit vs Sine
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Orbit
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Studying alone is harder than it needs to be. Orbit helps you find students who have added the same courses and are available at the same time. Add your courses and mark the hours you’re free. Orbit shows you other students with shared courses and ranks people with more overlapping availability nearer the top. You can narrow your matches by year, faculty, or preferred group size. There’s no swiping or rating people—just students who want to study. WHAT YOU CAN DO FIND STUDY PARTNERS Choose your courses and see other students who have added them. Every match shows which courses you share, so you know why that person appears in your results. MESSAGE OTHER STUDENTS Send direct messages or join the group chat for each course. Reply to messages, edit messages you sent, share photos, pin important conversations, and mute conversations when needed. KEEP YOUR WORK IN ONE PLACE Add deadlines and study sessions to your schedule and see what’s coming up from your home screen. Invite another student to a study session and it will appear in their schedule too. FIND A TIME THAT WORKS Mark your availability on a weekly grid. Students with more overlapping availability appear nearer the top of your matches. You can also share your study style so people know how you prefer to work. AVAILABLE AT UBC VANCOUVER Orbit is launching for students at UBC Vancouver. Registration currently requires access to an eligible UBC email address. Course selections and profile information are provided by users. Support for additional universities is planned. SAFETY Report or block someone from their profile or from a message. Reports are reviewed and acted on within 24 hours. Accounts that violate Orbit’s rules may be suspended or removed. You can permanently delete your account from Settings without contacting support. This removes your profile, messages, uploaded images, and authentication account. Orbit is an independent student project. It is not affiliated with, endorsed by, or connected to the University of British Columbia. No advertising. No third-party analytics. No cross-app tracking. We do not sell personal information.
Sine
Develop your ear for music with interactive games and personalized practice. Learn to identify notes and chords through engaging exercises designed to improve your musical perception. Track your progress and earn badges as you master your auditory skills.
- Note and chord identification
- Progressive difficulty levels
- Interactive ear training games
- Personalized practice sessions
- Progress tracking and statistics
- Badge collection system
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Most people are told perfect pitch is you are born with. It is not. It is a skill, and like any skill it comes from short, honest practice. Sine is that practice, made pleasant enough that you keep coming back. HEAR IT. NAME IT. KNOW IT. A note plays. You pick the key. There is no reference note and nothing to compare against, so every answer has to come from your own ear. Between questions a wash of sound clears the last note away, which is the part every other trainer skips. ONE NOTE AT A TIME You start with two notes that sit far apart, then add one more, then one more. The white keys, then the black keys, then the chords that carry most songs. Every level is short, and you pass it when you are ready, not on a schedule. A COACH WHO SAYS LITTLE Sine is a ring-tailed lemur who listens with you. It notices a run of five, a note that used to slip, a slow answer that was still right. It never scolds. Your streak forgives a missed day, because life has those. INTERACTIVE GAMES FOR YOUR EAR Sine Duel races you to a note, or races a friend across the same phone. Defuse plays a run of notes and you tap it back before the fuse burns down. Tune-up plays a note a few hertz off and asks flat, sharp, or in tune. We add more and more games to our library weekly! EVERY ANSWER, KEPT Stats by note and by chord, the note you confuse each one with, and a shelf of badges for what you have done. ENCORE We have a generous free-tier, but if you'd like to support our growing team, Encore unlocks everything now and later. Prices vary by country. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period, and can be managed in your App Store account settings. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://learnsine.com/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Orbit at none against Sine's 3. Sine's advantage is chart position (#139 vs unranked). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Sine sells 3 in-app purchases, starting at $1.99 per month. Orbit asks for nothing beyond the download.
| Parameter | Orbit | Sine |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.9 (393 ratings) — better |
| Positive reviews | — | 93.8% of reviews |
| Number of ratings | — | 393 — better |
| Update frequency | — | Daily |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Best chart rank | — | #139 — better |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.4 | 16.4 |
| Further details — not scored | ||
| Size | 54 MB | 123 MB |
| Age rating | 17+ | 4+ |
| Developer | Hassaan Nasim | Ethan Liao |
In-app purchases
Orbit
No in-app purchases
Sine
- Encore Monthly$1.991 Month
- Encore Yearly7 Days trial$14.991 Year
- Encore Lifetime$29.99









