# Derivative Master by ChatStick — Learn Calculus Step by Step

> Learn Calculus Step by Step (iPhone/iPad app by ChatStick Company Limited.)

- Source: https://appshunter.io/ios/app/derivative-master-by-chatstick/id6770905531 (this page in markdown: same URL + `.md`)
- Developer: [ChatStick Company Limited](https://appshunter.io/developer/1165816085)
- Category: Education, Reference
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 26.2 · 10 MB
- Languages: American English
- Released: 2026-05-19
- Data updated: 2026-06-02
- User reviews in markdown: https://appshunter.io/ios/app/derivative-master-by-chatstick/id6770905531/reviews.md

## What is Derivative Master by ChatStick?

Derivative Master is the all-in-one calculus companion for high school and college students learning differentiation. From your first power rule to chain rule mastery, every derivative is solved step by step — with the exact rule highlighted at each move.

Whether you're prepping for AP Calculus, Calc 1, or a final exam, Derivative Master replaces hours of confusion with clear, color-coded explanations, hands-on practice, and gamified progress tracking.


WHY STUDENTS LOVE DERIVATIVE MASTER

• Step-by-step symbolic solver — type any function and see every derivation step with the rule applied
• 11 differentiation rules library — Power, Chain, Product, Quotient, Sum, Constant, Trig, Exponential, Logarithm, and more, each with worked examples and common mistakes
• Daily Challenge — a new problem every day to build a streak
• Practice mode — Easy, Medium, and Hard problems with hints, instant feedback, and rule identification
• Concept articles — short, focused lessons on limits, tangent lines, optimization, notation, and the meaning of a derivative
• Achievements & streaks — 12 badges to earn as you level up
• Smart calculator — full math keypad with sin, cos, tan, ln, e^x, π, and powers
• Save and revisit — keep history of solved problems for quick review


PREMIUM FEATURES

Unlock the full experience:
• Interactive Graph Plotter — see f(x) and f'(x) side by side on the same axes
• Full Quiz Mode — timed multiple-choice exams with explanations
• Unlimited Favorites — star derivatives for instant recall
• Unlimited History — never lose a worked problem
• Ad-free experience


DESIGNED FOR LEARNING

Derivative Master isn't just a calculator — it's a tutor. Each step explains WHICH rule was applied and WHY, so you build real understanding instead of memorizing answers. The color-coded interface, clean math typography, and gentle gamification make studying calculus genuinely enjoyable.


PERFECT FOR

• AP Calculus AB & BC students
• College Calculus 1 students
• Engineering, physics, and economics majors brushing up on derivatives
• High school students starting differential calculus
• Anyone who wants to truly understand derivatives, not just compute them


WHAT'S INSIDE

— Step-by-step derivative solver with symbolic engine
— 11-rule reference library with formulas and examples
— Daily Challenge problem (changes every day)
— Tiered practice problems (Easy / Medium / Hard)
— 6 concept articles on calculus fundamentals
— Interactive function & derivative graph plotter
— Full quiz mode with scoring and explanations
— 12 achievements & streak tracking
— Custom calculator with trig, log, exponential, and constants
— History and favorites for quick review


Download Derivative Master today and turn calculus from confusing into conquered.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Unlock All Features | $2.99 | one-time |



## Version history (last 1 release)

### 1.0 — 2026-05-20

No release notes.

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All apps by ChatStick Company Limited: https://appshunter.io/developer/1165816085

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-02.*