Comparison

SAT & ACT Prep vs Study Bubble

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

Head to head
About

SAT & ACT Prep

This AI-powered app offers personalized study plans and practice tests to help students improve their SAT scores. It features adaptive learning, flashcards for vocabulary, and detailed progress tracking to identify and conquer weak areas.

Highlights
  • AI-powered study plan
  • 5200+ adaptive practice questions
  • 10 mini + 6 full-length practice tests
  • AI tutor for personalized guidance
  • AI-generated vocabulary flashcards
  • Topic-by-topic progress tracking
  • Mistake analysis and learning
Features
Read full description

The Ultimate Shortcut to Your Dream SAT® & ACT® Scores. Boost your SAT® and ACT® scores with AlphaTest, the AI-powered test prep app built to help you prep more efficiently and improve faster. With personalized study plans, adaptive practice tests, intelligent weakness analysis, and 15K official-style questions, AlphaTest helps you focus on the skills and patterns that drive real score gains. Whether you’re starting from scratch or aiming for a top score, AlphaTest gives you a smarter path to your dream SAT® or ACT® result. Trusted by 250K+ students worldwide, including students admitted to Cornell, UC Berkeley, Northwestern, Carnegie Mellon, Boston University, and more. 【Why students love AlphaTest?】 Powerful Tools to Maximize Your SAT® & ACT® Score • Personalized Daily Study Plans • 15K Official-Style Questions • 30 Adaptive Full-Length Practice Tests • Weakness Drills & Error Tracking • AI Tutor That Knows Your Test • SAT® Desmos Speed Strategies • ACT® Timing & Speed Training Accelerated AI Prep Plan • AlphaTest builds a personalized SAT® and ACT® study plan based on your level, progress, target score, and exam date. • Your daily prep adapts as you improve, helping you focus on the areas that matter most. • Whether you are a beginner or aiming for a top percentile score, AlphaTest adjusts to your pace and goals. Unrivaled Preparation with AlphaTest • Practice with 15K official-style SAT® and ACT® questions built around real test patterns, pacing, and difficulty. • Cover all essential subjects including Math, Reading, Writing, English, and Science. • Train with 30 adaptive full-length practice tests designed to simulate real digital testing conditions. • Content is continuously updated to reflect evolving exam trends and question styles. Master SAT® & ACT® with Our AI Tutor • Get instant explanations tailored to your mistakes, learning history, and weak areas. • Understand why an answer works, where your reasoning broke down, and how to solve similar questions faster next time. Target Weaknesses That Hold Your Score Back • Upgraded Weakness Drills identify repeated traps, concept gaps, and question types that lower your score. • Automatically organize missed questions by skill, topic, and pattern for more efficient review. Flashcards, the Fun Way to Master Test Vocabulary • Study high-impact SAT® and ACT® vocabulary with focused flashcards and quick quiz sessions. Track Your Progress, Target Your Score • See what is improving, what still needs work, and how close you are to your target score. • Stay motivated with clear, visible progress across every stage of your prep. SAT® Desmos Speed Strategies • Learn faster SAT® Math solving methods using Desmos. • Understand when Desmos actually saves time and how to apply calculator shortcuts to real SAT® problems. • Improve speed, efficiency, and test-day decision making. ACT® Timing & Speed Training • Build pacing and accuracy across ACT® English, Math, Reading, and Science. • Practice under realistic timing pressure and learn how to move faster without sacrificing control. One Subscription. SAT® & ACT® Together. AlphaTest now supports both SAT® and ACT® prep in one subscription. Prepare for both major college entrance exams with one connected study system and synced learning progress across devices. Email: support@alphatestai.com Website: https://alphatestai.com Terms of Service: https://files.alphatestai.com/alphatest-dpcumen/AlphaTestTermsandConditions.html Privacy Policy: https://files.alphatestai.com/alphatest-dpcumen/AlphaTestPrivacyPolicy.html SAT® and AP® are trademarks registered by the College Board, which is not affiliated with, and does not endorse, this product. ACT® is a trademark registered by ACT Education Corp., which is not affiliated with, and does not endorse, this product.

About

Study Bubble

This app provides a cozy virtual environment to enhance focus and productivity during study sessions. It offers customizable timers, task management, and a unique study room with a companion.

Highlights
  • Pomodoro timer with breaks
  • Freestyle study timer
  • Task management
  • Daily planning
  • Cozy study room with companion
Features
Read full description

Study Bubble is a cozy study space designed to make focusing feel a little more enjoyable. Stay organized, choose your study style, and make your study time your own. Features: Pomodoro- A timer you can set with automatic short and long breaks! Flow- Freestyle timer for you to study as much as you want! Task- Add, complete, manage your day with these tasks! Planning- Keep track of what you want to accomplish Cozy Study Room- A space where you and your bear companion can both focus! Whether you're working on homework, reviewing notes, or simply trying to stay focused, Study Bubble gives you a simple, cozy place to study.

Screenshots

SAT & ACT Prep4 screens
Study Bubble4 screens

Verdict

The call

The clearest difference is in-app purchases: Study Bubble at none against SAT & ACT Prep's 10. Study Bubble also leads on rating (5.0 vs 4.6) and review sentiment (100% vs 85%). SAT & ACT Prep's advantage is update cadence (weekly vs every 6 weeks) and ratings volume (285 vs 3). On price, ads 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. SAT & ACT Prep sells 9 in-app purchases, starting at $9.99 per 7 days. Study Bubble asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Study Bubble holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: SAT & ACT Prep has 285 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 85% of SAT & ACT Prep's written reviews are positive against 100% of Study Bubble's.

UpkeepUpdate frequency

SAT & ACT Prep ships an update weekly, Study Bubble every 6 weeks. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

Scorecard7 real differences · 3 level
SAT & ACT Prep versus Study Bubble: the parameters behind the verdict, then further details
ParameterSAT & ACT PrepStudy Bubble
PriceFreeFree
Rating4.6 (285 ratings)5.0 (3 ratings) — better
Positive reviews85.2% of reviews100.0% of reviews — better
Number of ratings285 — better3
Update frequencyWeekly — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS16.0 — better26.5
Further details — not scored
Size275 MB17 MB
Age rating4+4+
DeveloperYalpai Corporation LimitedYu-Ning Hsu

Customer experience

SAT & ACT Prep

All ratings279 ratings
Positive91.0%
Neutral3.2%
Negative5.7%
Written reviews61 reviews
Positive85.2%
Neutral1.6%
Negative13.1%

Study Bubble

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

9 purchases

SAT & ACT Prep

Subscriptions9
  • AlphaTest Pro 1-Week3 Days trial$9.997 Days
  • AlphaTest Pro Weekly3 Days trial$9.997 Days
  • AlphaTest Pro 1-Month3 Days trial$29.991 Month
Show 6 more
  • AlphaTest Pro Monthly$29.991 Month
  • AlphaTest Pro 6-Month$99.996 Months
  • AlphaTest Pro 6-Month3 Days trial$99.996 Months
  • AlphaTest Pro Yearly2 variants$149.991 Year
  • AlphaTest Pro Yearly3 Days trial$149.991 Year
  • AlphaTest Pro 12-Month3 Days trial$149.991 Year
None

Study Bubble

No in-app purchases

Questions

Is SAT & ACT Prep free?
SAT & ACT Prep is free to download, with in-app purchases available.
Is Study Bubble free?
Study Bubble is free to download, with no in-app purchases.
Which has better reviews, SAT & ACT Prep or Study Bubble?
Study Bubble is rated higher. SAT & ACT Prep averages 4.6 out of 5 from 285 ratings, while Study Bubble averages 5.0 from 3 ratings.
Do SAT & ACT Prep or Study Bubble have ads?
Neither SAT & ACT Prep nor Study Bubble shows ads.
Which is updated more often, SAT & ACT Prep or Study Bubble?
SAT & ACT Prep ships an update weekly, and Study Bubble every 6 weeks. Most recently, SAT & ACT Prep was updated on November 5, 2026 and Study Bubble on November 10, 2026.

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