Comparison

Calculate 84 AI vs NimbusLearn

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

Head to head
About

Calculate 84 AI

This AI-powered graphing calculator offers step-by-step guidance for complex math problems, from pre-algebra to calculus. It features interactive graphing, matrix operations, and statistical tools, making learning math intuitive and efficient.

Highlights
  • AI-guided step-by-step solutions
  • Comprehensive math coverage (Pre-Algebra to Calculus)
  • Interactive and dynamic graphing
  • Matrix and statistical calculations
  • Scrollable calculation history
  • Fraction and angle conversion support
Features
Read full description

The graphing calculator intended for use with TI-84, now supercharged with AI. Skip the tedious typing: snap a picture of your math problem, and our AI instantly sets up the calculator for you. THE AI MATH SCANNER Why type when you can scan? Point your camera at a worksheet, a data table, or a handwritten expression. In seconds, our AI extracts the math and prepares your graphing calculator. • Auto-fills your lists: Data tables go straight into the calculator list editor. • Enters Y= functions: Complex equations are typed out for you. • Sets the zoom window: The graphing window adjusts perfectly to your math. Review the setup, tap Insert, and you are ready to solve. It is a massive time saver. CALCULATE LIKE IN CLASS Every key on this calculator sits exactly where you expect it. Every menu matches what you see on the board. Get the precise answers your teacher expects from a graphing calculator. • Toggle exact or decimal calculator answers. • Work with fractions and mixed numbers. • Switch seamlessly between degrees and radians. • Reuse past entries from the smart calculator home screen. GRAPH AND ANALYZE Turn your phone into a powerful graphing calculator. Graph functions, inequalities, parametric, polar, and sequence equations effortlessly. • Find intersections, zeros, minima, and maxima right on the graph. • Calculate derivatives and integrals visually. • Customize your graphing calculator with colors and line styles. • Let the window automatically follow your data. STATISTICS AND PROBABILITY Run advanced statistics just like you would on a physical calculator. • Compute every regression from linear to logistic. • Work with normal, binomial, Poisson, t, and chi-square distributions. • Use the exact same argument order you learned in class. • Fill out clean forms for hypothesis tests and confidence intervals. SOLVE AND COMPUTE Speed through assignments with built-in calculator tools. Use a numeric equation solver, a polynomial root finder, and a solver for systems of equations. Handle matrices with rref, determinants, and inverses. Run the finance solver for TVM and amortization. TEXTBOOK-PERFECT DISPLAY Math on your calculator should look like real math. Fractions stack neatly, roots look real, and long results stay perfectly readable. Share your calculator screen instantly as an image. Customize your experience with beautiful themes, and explore a searchable catalog that explains every calculator command. YOUR PERSONAL AI TUTOR Stuck on the keys? Ask the app by text or voice. Say "How do these graphs intersect?" and get numbered steps with real keys presented as tappable chips. Tap a chip, and the app opens the exact calculator menu you need. This builds real understanding and confidence for homework, tests, and exams. WHO IS IT FOR? High school and college students mastering algebra, calculus, statistics, and prepping for the SAT & ACT. Teachers who want to project a graphing calculator in class. Anyone who needs a top-tier calculator in their pocket, on their phone, and on their Mac. --- Calculate 84 AI Subscriptions • Free to try with included smart scans and tutor questions. • Upgrade to Plus or Pro for many more scans and tutor questions, or unlock the calculator for good with a one-time purchase. • Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Manage your subscription in Account Settings. Terms of Service: https://fredinax.com/terms/ Privacy Policy: https://fredinax.com/privacy/ TI-84 is a registered trademark of Texas Instruments Incorporated. Calculate 84 AI is not affiliated with Texas Instruments.

About

NimbusLearn

A cloud-based learning management system connecting students, instructors, and administrators. It simplifies course creation, assignment management, grading, and communication for educational institutions.

Highlights
  • Course and assignment management
  • SpeedGrader for quick grading
  • Student progress tracking
  • Built-in messaging
  • Assignment submission
  • Integrated calendar
  • Admin dashboard
Features
Read full description

NimbusLearn is a modern, cloud-based learning management system designed for schools. It brings instructors and students together in one unified platform, accessible from anywhere. For instructors, NimbusLearn makes it easy to manage courses, assignments, and modules. Grade student work quickly with the built-in grading view, communicate through messaging, track student progress, and share course materials — all in one place. For students, NimbusLearn puts your entire academic life at your fingertips. See what’s next on your dashboard, keep on top of your to-do list, submit assignments directly from your phone, check grades and instructor feedback instantly, and stay organized with the built-in calendar. Messaging makes it simple to connect with instructors and classmates. NimbusLearn features a clean, modern interface with dark mode support, push notifications for assignments, grades, and messages, Arabic language support with full RTL layout, secure sign-in and data encryption, and seamless integration with the NimbusLearn web platform. NimbusLearn — Education, simplified.

Screenshots

Calculate 84 AI4 screens
NimbusLearn4 screens

Verdict

The call

The clearest difference is in-app purchases: NimbusLearn at none against Calculate 84 AI's 7. NimbusLearn also leads on rating (5.0 vs 4.6) and iOS requirement (15.1 vs 17.0). Calculate 84 AI's advantage is ratings volume (43 vs 4). On price, review sentiment, update cadence and ads 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. Calculate 84 AI sells 7 in-app purchases, starting at $1.99 per month. NimbusLearn asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

NimbusLearn holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Calculate 84 AI has 43 ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Calculate 84 AI ships an update fortnightly, NimbusLearn every 9 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 5 level
Calculate 84 AI versus NimbusLearn: the parameters behind the verdict, then further details
ParameterCalculate 84 AINimbusLearn
PriceFreeFree
Rating4.6 (43 ratings)5.0 (4 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings43 — better4
Update frequencyFortnightlyEvery 9 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.015.1 — better
Further details — not scored
Size65 MB40 MB
Age rating4+4+
DeveloperFredinax Graphing CalculatorNimbulink LLC

Customer experience

Calculate 84 AI

All ratings36 ratings
Positive91.7%
Neutral0.0%
Negative8.3%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

NimbusLearn

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

7 purchases

Calculate 84 AI

Subscriptions7
  • Calculate AI PRO - Monthly3 Days trial$1.991 Month
  • Calculate AI PRO - Monthly7 Days trial$1.991 Month
  • Calculate AI PRO - Monthly7 Days trial$3.991 Month
Show 4 more
  • Calculate AI PRO - Yearly7 Days trial$5.991 Year
  • Calculate AI PRO - Yearly7 Days trial$12.991 Year
  • Calculate AI PRO - Yearly7 Days trial$17.991 Year
  • Calculate AI PRO - Yearly7 Days trial$24.991 Year
None

NimbusLearn

No in-app purchases

Questions

Is Calculate 84 AI free?
Calculate 84 AI is free to download, with in-app purchases available.
Is NimbusLearn free?
NimbusLearn is free to download, with no in-app purchases.
Which has better reviews, Calculate 84 AI or NimbusLearn?
NimbusLearn is rated higher. Calculate 84 AI averages 4.6 out of 5 from 43 ratings, while NimbusLearn averages 5.0 from 4 ratings.
Do Calculate 84 AI or NimbusLearn have ads?
Neither Calculate 84 AI nor NimbusLearn shows ads.
Which is updated more often, Calculate 84 AI or NimbusLearn?
Calculate 84 AI ships an update fortnightly, and NimbusLearn every 9 days. Most recently, Calculate 84 AI was updated on November 8, 2026 and NimbusLearn on October 31, 2026.

Other comparisons