Comparison

Derivative vs Stellar Math

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

Head to head
About

Derivative

Features
Read full description

The DerivativeCalculus is a simple but elegant app to find the derivatives of complex multivariable functions. You can find the partial derivatives of a multivariate function and share it with others or save it locally. You can create a beautiful high quality partial derivative tree and share it with others or save it locally. Derivatives are shown in beautifully written mathematical expression It automatically saves your hard work locally on your device so you can come back and pick up from where you left off as your great effort will not be lost. This app also has a Study page to help you learn important differentiation rules like, product rule, chain rule, quotient rule, ect. This app is perfect for students learning calculus. Sharpen you brain by using this app and learning about the calculus. This is an app for all student groups. From high school to college to university students. Be creative. Enjoy the app!

About

Stellar Math

Master math with an AI tutor that adapts to your learning style and pace. Get instant, step-by-step solutions to problems by snapping a photo and engage with a 24/7 AI chat for clear explanations. Track your progress and build confidence from basic arithmetic to advanced calculus.

Highlights
  • AI-powered step-by-step solutions
  • Photo problem solver
  • Interactive AI tutor chat
  • Personalized study plans
  • Progress tracking and analytics
  • Comprehensive math topic coverage
Features
Read full description

Stellar Math is the homework AI that teaches first—so you understand the method, not just copy the answer. HINTS BEFORE ANSWERS Snap a problem or ask Stellar. Get a gentle hint, check your work, then unlock the full step-by-step solution when you're ready. ASK STELLAR Chat with a patient AI math tutor anytime. Clear explanations at your grade level—from middle school algebra through high school calculus. LEARNING PATH Grade-aware practice that stays on topic. Build mastery with guided problems that stick. PRACTICE WHAT YOU JUST LEARNED After every solve, try similar problems so the method sticks. Build confidence night by night. DAILY CHALLENGE & STREAKS One focused challenge each day plus streaks and mastery badges keep you consistent—even when homework is chaotic. SHARE PROGRESS WITH PARENTS Send a simple weekly summary of topics practiced and where you're improving. Parents see learning, not just answers. MATH COVERAGE • Arithmetic & fractions • Algebra & equations • Geometry & trigonometry • Statistics & probability • Precalculus & calculus FREE TO START Daily challenge, guided AI help (daily limits), photo solver with teach-first flow, and progress tracking. STELLAR MATH PRO Unlimited guided tutoring & photo help, personalized study plans, and voice tutor for hands-free walkthroughs. 7-day free trial. Perfect for middle and high school students—and parents who want homework help that builds real understanding. Privacy Policy: https://stellarmath.app/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Support: https://stellarmath.app/support

Screenshots

Derivative4 screens
Stellar Math4 screens

Verdict

The call

The clearest difference is price: Stellar Math at Free against Derivative's $1.99. Derivative's advantage is in-app purchases (none vs 2) and update cadence (monthly vs every 8 months). On 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

Stellar Math is free to download; Derivative costs $1.99 up front. Stellar Math sells 2 in-app purchases, starting at $9.99 per month. Derivative asks for nothing beyond the download.

UpkeepUpdate frequency

Derivative ships an update monthly, Stellar Math every 8 months. The most recent releases landed on October 11, 2026 and September 29, 2026 respectively.

Scorecard3 real differences · 7 level
Derivative versus Stellar Math: the parameters behind the verdict, then further details
ParameterDerivativeStellar Math
Price$1.99Free — better
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyMonthly — betterEvery 8 months
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better16.0
Further details — not scored
Size32 MB113 MB
Age rating4+4+
DeveloperOm Prakash ChapagainMatthew Leonard

In-app purchases

None

Derivative

No in-app purchases

2 purchases

Stellar Math

Subscriptions2
  • Stellar Math Pro7 Days trial$9.991 Month
  • Stellar Math Pro Yearly7 Days trial$69.991 Year

Questions

Is Derivative free?
Derivative costs $1.99, with no in-app purchases.
Is Stellar Math free?
Stellar Math is free to download, with in-app purchases available.
Do Derivative or Stellar Math have ads?
Neither Derivative nor Stellar Math shows ads.
Which is updated more often, Derivative or Stellar Math?
Derivative ships an update monthly, and Stellar Math every 8 months. Most recently, Derivative was updated on October 11, 2026 and Stellar Math on September 29, 2026.

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