StudySync vs PhoneStack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
StudySync
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StudySync - Turn Study Time into Game Time StudySync transforms studying into a shared, focused, and rewarding experience. Instead of studying alone and getting distracted, StudySync places you on a virtual island where students study together in real time. Every session builds accountability, consistency, and momentum - just like a game. Study Together, Stay Accountable Join a virtual library and study live with others using a built-in focus timer. Once a session starts, any phone interaction - switching apps, pulling down notifications, or leaving the screen - ends the session. No shortcuts. Just real focus. Stay Focused as a Community Use the Nudge feature to gently remind others in the library to stay focused. Everyone helps everyone lock in. Track Progress That Actually Matters StudySync helps you see your effort turn into results: - Personal study stats and analytics - Daily study heatmap to build consistency - Study log tracking across sessions Watch your habits improve over time. Share Motivation, Not Distractions The Good Vibes Fountain lets you share motivation, encouragement, or your goals with others on the island - no pressure, just positive energy. Compete and Grow Together Track your study hours on the global leaderboard and stay motivated alongside students worldwide. Why StudySync? - Builds real accountability - Makes studying feel rewarding and social - Designed to reduce distractions, not add them If social media is addictive, studying can be too. Turn Study Time into Game Time with StudySync.
PhoneStack
This app helps you and your friends stay off your phones by creating shared focus sessions. Block distracting apps together, track group streaks, and hold each other accountable to digital well-being goals.
- Shared focus sessions
- App blocking via Screen Time
- Live presence tracking
- Group streaks for digital well-being
- Daily social app usage limits
- Accountability nudges
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PhoneStack - phones down, together. Putting your phone away shouldn't be a lonely test of willpower. PhoneStack turns it into something you do with your friends. START A STACK "Phones down for an hour, who's in?" Share a code, your friends hop in, and your distracting apps actually get blocked while you're locked in using Apple's own Screen Time technology. See who's present live, and nudge anyone who drifts. MAKE A PACT Pick a daily limit with your friends like under an hour of social apps a day. Your phone keeps count privately, and the group streak grows every clean day. First one over the limit breaks it for everyone. You get a heads-up when you're 5 minutes from the line, and everyone knows when someone caves. KEEP YOUR STREAK Every session and every clean day builds streaks you keep together with your roommates, your study group, your people. Don't be the one who breaks it. TAP TO LOCK IN Bring two phones together and a Stack starts. That's it. YOUR USAGE STAYS YOURS Which apps you pick and how long you use them never leaves your phone, Apple's system does the counting on your device. Your friends only ever see whether you held the line: pass or fail, never lists, never minutes. PhoneStack is free. Grab your friends and lock in.
Screenshots
Verdict
The clearest difference is update cadence: PhoneStack at every 11 days against StudySync's every 2 months. On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
StudySync ships an update every 2 months, PhoneStack every 11 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | StudySync | PhoneStack |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 16.0 |
| Further details — not scored | ||
| Size | 113 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Eldon Lim | Diego Prozzi |
In-app purchases
StudySync
No in-app purchases
PhoneStack
No in-app purchases









