Comparison

AP Calculus AB/BC Test Prep vs HelixPlot

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

Head to head
About

AP Calculus AB/BC Test Prep

Prepare for your AP Calculus AB/BC exam with 500 practice questions covering all topics. Detailed explanations are provided for each question, simulating the real exam experience. Track your progress and study effectively to achieve your best score.

Highlights
  • 500 AP-style questions and answers
  • Detailed review explanations
  • Simulates real AP exam
  • Updated material
  • Study, Timed Exam, and Bookmark modes
  • Progress tracking
  • iCloud save functionality
Read full description

500 Ways to achieve your highest score From Limits and Continuity to Integration, Areas and Volumes, there is a lot of subject matter to know if you want to succeed on your AP Calculus AB/BC exam.That’s why we’ve selected these 500 AP-style questions and answers that cover all topics found on this exam. The targeted questions will prepare you for what you’ll see on test day, help you study more effectively, and use your review time wisely to achieve your best score. Each question includes a concise, easy-to-follow explanation. You can use these questions to supplement your overall AP Calculus AB/BC preparation or run them shortly before the test. Either way, 5 Steps to a 5: 500 Calculus AB/BC Questions will get you closer to achieving the score you want on test day. This valuable study guide features: •500 AP-style questions and answers •Detailed review explanations for right and wrong answers •Close simulations of the real AP exam •Updated material that reflects the latest AP exam This free application includes all questions in Chapter 1 - Limits and Continuity (1-50). The remaining 450 questions are available through a subscription. This app has been designed for the iPhone/iPad with interactive features. -Study/Timed Exam/Bookmark modes are available for review. -In the Study mode, check the answers as you tackle the questions. -In the Timed Exam mode, time yourself and review the answers after the time is up. -In the Bookmark mode, review only the questions you have flagged for further study. -File away correctly answered questions after each practice test. -Opt to include questions from previous quizzes. -Store practice test scores to track your progress. -Save your work to the iCloud to access on multiple devices. About the Author Anaxos, Inc. has been creating educational and reference materials for more than fifteen years. Based in Austin, Texas, the company uses writers from across the globe and who offer expertise on an array of subjects just as expansive. Expanded Apps Privacy Policy: https://expandedapps.com/privacy-policy/ Expanded Apps Terms of Use: https://expandedapps.com/terms-of-use/

About

HelixPlot

Features
Read full description

Discover the beauty of mathematics with HelixPlot, the ultimate 3D graphing calculator for parametric equations and complex numbers. Whether you are a student visualizing calculus concepts, a teacher demonstrating vector functions, or an engineer analyzing waveforms, HelixPlot turns abstract formulas into interactive 3D visualizations instantly. ▸ REAL-TIME 3D RENDERING Type your equation and watch it come to life. HelixPlot renders parametric curves, surfaces, and complex functions in stunning 3D with smooth animations and glowing tracer effects. ▸ THREE VISUALIZATION MODES - Parametric Curves: r(t) = (x, y, z) rendered as smooth 3D tubes - Surfaces: z = f(x,y) with height-based color mapping - Complex Functions: Visualize complex numbers in 3D space ▸ 47 BUILT-IN PRESETS Explore famous equations across five scientific fields: - Mathematics: Lissajous curves, Rose curves, Archimedean spirals - Physics: Damped oscillators, Kepler orbits, Wave packets - Chemistry: Arrhenius curves, Lennard-Jones potential - Biology: Logistic growth, Michaelis-Menten kinetics - Earth Science: Tidal patterns, Seismic waves ▸ PROFESSIONAL LATEX EDITOR Input equations naturally with our visual LaTeX editor. Supports fractions, roots, integrals, Greek letters, and all standard mathematical notation. ▸ INTERACTIVE PARAMETER CONTROL Adjust constants with real-time sliders and see how parameters affect your graph instantly. Perfect for understanding mathematical relationships. ▸ MULTIPLE VIEW MODES - Diagram View: Full 3D perspective with projection shadows - Quad View: See 3D + XY + XZ + YZ planes simultaneously - Projection Planes: Customizable colors and transparency ▸ ANIMATION PLAYBACK Watch curves draw themselves with smooth animations. Control playback speed (0.5x to 5x), scrub through time, and track coordinates in real-time. ▸ EXPORT & SHARE - Save high-resolution PNG images for reports and presentations - Generate shareable links so others can view your exact visualization - Copy equation code for use in other projects ▸ CUSTOMIZATION - Light and Dark themes - Customizable projection plane colors - Adjustable grid, axis labels, and tick marks ▸ OPTIMIZED PERFORMANCE - Web Worker parallel processing for smooth UI - GPU-accelerated rendering with custom shaders - Handles complex equations without lag PERFECT FOR: - Students learning trigonometry, vectors, and calculus - Teachers creating visual demonstrations - Researchers generating publication-quality graphics - Artists exploring mathematical beauty HelixPlot brings the hidden beauty of mathematics to your fingertips. Download now and see equations like never before.

Screenshots

AP Calculus AB/BC Test Prep4 screens
HelixPlot4 screens

Verdict

The call

The clearest difference is in-app purchases: HelixPlot at none against AP Calculus AB/BC Test Prep's 4. HelixPlot also leads on update cadence (fortnightly vs every 5 months). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. AP Calculus AB/BC Test Prep sells 4 in-app purchases, starting at $6.99 per 7 days. HelixPlot asks for nothing beyond the download.

UpkeepUpdate frequency

AP Calculus AB/BC Test Prep ships an update every 5 months, HelixPlot fortnightly. The most recent releases landed on September 23, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 8 level
AP Calculus AB/BC Test Prep versus HelixPlot: the parameters behind the verdict, then further details
ParameterAP Calculus AB/BC Test PrepHelixPlot
PriceFreeFree
Rating3.5 (4 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 5 monthsFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size82 MB12 MB
Age rating4+4+
DeveloperExpanded AppsYonghun Kim

In-app purchases

4 purchases

AP Calculus AB/BC Test Prep

Subscriptions3
  • 1 Week$6.997 Days
  • 1 Month$17.991 Month
  • 1 Year$69.991 Year
One-time1
  • AP Calculus AB/BC Exam Prep$15.99
None

HelixPlot

No in-app purchases

Questions

Is AP Calculus AB/BC Test Prep free?
AP Calculus AB/BC Test Prep is free to download, with in-app purchases available.
Is HelixPlot free?
HelixPlot is free to download, with no in-app purchases.
Do AP Calculus AB/BC Test Prep or HelixPlot have ads?
Neither AP Calculus AB/BC Test Prep nor HelixPlot shows ads.
Which is updated more often, AP Calculus AB/BC Test Prep or HelixPlot?
AP Calculus AB/BC Test Prep ships an update every 5 months, and HelixPlot fortnightly. Most recently, AP Calculus AB/BC Test Prep was updated on September 23, 2026 and HelixPlot on October 7, 2026.

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