Dolphin vs Proll
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dolphin
Build a consistent study habit for SAT and ACT exams with daily practice questions and detailed explanations. Track your progress and focus on areas needing improvement, with optional features to block distracting apps.
- Daily practice questions
- Worked explanations
- Vocabulary review
- Focus Mode for distraction blocking
- Progress and streak tracking
- Widgets for quick access
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Build a steady SAT and ACT study habit with Dolphin. Practice in a swipeable feed, work through explanations, and return to the questions and skills that need more attention. PRACTICE A LITTLE EVERY DAY Answer Math, Reading, English, and Science questions, review vocabulary, and set a daily learning goal. UNDERSTAND YOUR ANSWERS Use worked explanations, video solutions where available, and Pip the Tutor to explore a problem. Save questions and revisit mistakes as you study. MAKE ROOM TO FOCUS With your permission, Focus Mode uses Apple's Screen Time controls to block apps you choose on your selected schedule. Complete your lesson goal to unlock them, or take a break when you need one. KEEP YOUR MOMENTUM Track your streak and progress, and add Dolphin widgets to keep your learning goal close by. Dolphin offers optional in-app subscriptions. Features and content availability may vary. SAT is a trademark of the College Board, and ACT is a trademark of ACT, Inc. Dolphin is not affiliated with or endorsed by either organization.
Proll
This app rewards users with screen time for completing real-world tasks, including physical activity and academic work. It locks distracting apps until time is earned, offering customizable goals and optional schedules for focused work sessions.
- Earn screen time by completing tasks
- Task-based app unlocking
- Upload and verify work for rewards
- Physical activity tracking for screen time
- Focus sessions with app locking
- Customizable goals and optional schedules
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Key Features: Earn Screen Time Screen time isn’t given—it’s earned. Complete real-world tasks to unlock access to distracting apps. Task-Based Unlocking Earn time by completing activities like SAT questions or other standardized test prep. App Locking Distracting apps stay inaccessible until earned time is available—no bypassing, no “just five more minutes.” Flexible Goals Customize how much work earns how much time, based on your priorities and routines. Minimal, Intentional Design No shame, no pressure—just a clear system that rewards discipline. Proll requires a paid subscription ($4/week or $10/month auto-renewing) to lock distracting apps and access full SAT prep features. 3 Day Free Trial before you commit to the monthly subscription! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Dolphin at none against Proll's 2. Dolphin also leads on ratings volume (1.4K vs 14) and update cadence (every 2 weeks vs every 2 months). Proll's advantage is review sentiment (100% vs 84%). On price, rating, ads and monetization model 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. Proll sells 2 in-app purchases, starting at $3.99 per 7 days. Dolphin asks for nothing beyond the download.
Dolphin holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Dolphin has 1.4K ratings behind it against 14, so its average is the more settled of the two. Written reviews complicate that: 84% of Dolphin's written reviews are positive against 100% of Proll's, so the app with the better star average is not the one people write more warmly about.
Dolphin ships an update every 2 weeks, Proll every 2 months. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.
| Parameter | Dolphin | Proll |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (1.4K ratings) — better | 4.6 (14 ratings) |
| Positive reviews | 84.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 1.4K — better | 14 |
| Update frequency | Every 2 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Best chart rank | #210 — better | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 220 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | PaloAI Inc. | John Edward Baker Bruce |
Customer experience
Dolphin
Proll
In-app purchases
Dolphin
No in-app purchases
Proll
- Proll Plus Weekly$3.997 Days
- Proll Plus Monthly3 Days trial$9.991 Month







