Comparison

Dolphin vs PrepForge

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Daily practice questions
  • Worked explanations
  • Vocabulary review
  • Focus Mode for distraction blocking
  • Progress and streak tracking
  • Widgets for quick access
Currently charting
Read full description

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.

About

PrepForge

Features
Read full description

PrepForge: SAT is focused, offline practice for the SAT - built for students who want fewer distractions and more reps. WHAT YOU GET - 457 practice questions across Math (Algebra, Advanced Math, Geometry and Trigonometry, Problem-Solving and Data Analysis) and Reading and Writing (Information and Ideas, Craft and Structure, Expression of Ideas, Standard English Conventions) - Every question difficulty-calibrated, with a written explanation of why the right answer is right and each wrong answer is wrong - 10 study modules with lessons, drills, and a diagnostic to find your baseline - Practice built around how you actually study: pick a session length, filter by subject, topic, or difficulty, see how many questions match before you start, then review everything you missed and retry just those - Exam Sim for timed, full-section runs - Quick Reference - a math formula sheet plus grammar, punctuation, and rhetoric cards you can check mid-session - Progress tracking by domain, and a 200-800 score model that mirrors real SAT scoring - Set your test date and see what to do today FREE TO START Work through the diagnostic and the full Algebra module, 20 practice questions, and the Algebra drills at no cost. A single $9.99 purchase unlocks everything else, forever. No subscription. If you downloaded the app while it was free, you keep full access - no purchase needed. PRIVACY FIRST - No login. Open the app and start practicing. - No ads, no tracking, no IDFA. - Fully offline. Every explanation is written and reviewed by a person and stored on your device - nothing is generated by AI and nothing you do is sent anywhere for processing. SAT is a trademark of the College Board. Not affiliated with or endorsed by the College Board.

Screenshots

Dolphin4 screens
PrepForge4 screens

Verdict

The call

The clearest difference is update cadence: Dolphin at every 2 weeks against PrepForge's every 2 months. Dolphin also leads on chart position (#183 vs unranked). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Dolphin ships an update every 2 weeks, PrepForge every 2 months. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 9 level
Dolphin versus PrepForge: the parameters behind the verdict, then further details
ParameterDolphinPrepForge
PriceFreeFree
Rating4.8 (1.4K ratings) — better—
Positive reviews84.1% of reviews—
Number of ratings1.4K — better—
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
Best chart rank#183 — better—
DevicesiPhone, iPad — betteriPhone
Requires iOS16.0 — better17.0
Further details — not scored
Size220 MB3 MB
Age rating4+4+
DeveloperPaloAI Inc.Black Automations

In-app purchases

None

Dolphin

No in-app purchases

None

PrepForge

No in-app purchases

Questions

Is Dolphin free?
Dolphin is free to download, with no in-app purchases.
Is PrepForge free?
PrepForge is free to download, with no in-app purchases.
Do Dolphin or PrepForge have ads?
Neither Dolphin nor PrepForge shows ads.
Which is updated more often, Dolphin or PrepForge?
Dolphin ships an update every 2 weeks, and PrepForge every 2 months. Most recently, Dolphin was updated on November 8, 2026 and PrepForge on October 31, 2026.

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