Comparison

Calculate84 Plus vs Calculate 84 AI

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

Head to head
About

Calculate84 Plus

This app provides advanced scientific and graphing calculator functionality. It allows users to plot multiple functions, perform complex mathematical operations, analyze data with statistics, and manage matrices. An optional subscription unlocks even more features.

Highlights
  • Natural textbook equation input
  • Plot multiple functions with touch controls
  • Advanced math, number, and probability functions
  • 1- and 2- Variable statistics
  • Matrix arithmetic and equation solving
  • Extensive command catalog
Features
Read full description

Graph functions, use advanced math commands for your calculations, create tables, and perform statistics. CALCULATE • Type in equations in natural textbook format • The scientific calculator solves all functions like sin, cos, tan, e, ln, Σ, log, ... • Use MATH, NUM, and PROB functions GRAPH • The graphing calculator lets you plot more than ten functions at once, each with a different color • Touch-enabled graph window • Zoom and trace with your fingers in full-screen • Find intersect, min, max, zero, integral, and derivative STATISTICS • Easily enter lists using the Statistics List Editor • Perform 1- and 2- Variable Stats • Find best-fit lines like LinReg, QuadReg, CubicReg, QuartReg, ExpReg • Work with distributions and regressions TABLE • Analyze X and Y values of your functions MATRIX • Do basic matrix arithmetic operations like +, -, *, or power of a Matrix • Put the matrix into Reduced Row-Echelon form and solve linear equation systems • Calculate the determinant, inversion or transpose the matrix CATALOG • Extensive catalog of all commands with syntax, example, and possible error messages CONTACT Write to us at contact@hypercalc.org --- For extended features such as more advanced calculations and functions, subscribe to HyperCalc. Auto-Renewable Subscription Terms: • Payment will be charged to iTunes Account at confirmation of purchase; • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period; • Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal; • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase; • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable; • Prices are in U.S. dollars, may vary in countries other than the U.S. and are subject to change without notice. Terms of Service: http://www.hypercalc.org/terms.html Privacy Policy: http://www.hypercalc.org/privacy.html

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.

Screenshots

Calculate84 Plus4 screens
Calculate 84 AI4 screens

Verdict

The call

Calculate84 Plus and Calculate 84 AI both sit at 4.5 stars, but that hides the real split: 100% of Calculate 84 AI's written reviews are positive against 64% of Calculate84 Plus's. Calculate 84 AI also leads on update cadence (fortnightly vs every 2 months). Calculate84 Plus's advantage is ratings volume (306 vs 42) and iOS requirement (13.0 vs 17.0). On price, rating, ads and in-app purchases 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. Calculate84 Plus sells 10 in-app purchases, starting at $2.99 per month and Calculate 84 AI sells 7 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for Calculate84 Plus against 4.6 for Calculate 84 AI. That said, the two scores are not equally well evidenced: Calculate84 Plus has 306 ratings behind it against 42, so its average is the more settled of the two. Written reviews are what separate them: 64% of Calculate84 Plus's written reviews are positive against 100% of Calculate 84 AI's.

UpkeepUpdate frequency

Calculate84 Plus ships an update every 2 months, Calculate 84 AI fortnightly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 6 level
Calculate84 Plus versus Calculate 84 AI: the parameters behind the verdict, then further details
ParameterCalculate84 PlusCalculate 84 AI
PriceFreeFree
Rating4.5 (306 ratings)4.6 (42 ratings) — better
Positive reviews64.0% of reviews100.0% of reviews — better
Number of ratings306 — better42
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size33 MB65 MB
Age rating4+4+
DeveloperDi Venisco UG (haftungsbeschrankt)Fredinax Graphing Calculator

Customer experience

Calculate84 Plus

All ratings305 ratings
Positive87.2%
Neutral4.3%
Negative8.5%
Written reviews25 reviews
Positive64.0%
Neutral12.0%
Negative24.0%

Calculate 84 AI

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

Bugs and requests

Calculate84 Plus

Reported bugs

5 issues
  • Domain incorrect in y= table
  • App closes when pulling up table
  • Cannot input negative matrices
  • App freezes during IAP search
  • Cannot drag functions

Requested features

10 requests
  • Dark mode
  • Numeric solver (free)
  • 2nd function
  • Chinese language support
  • Tutorial videos
Show 5 more
  • Settings button (color theme, subscription details)
  • Standard calculator mode
  • Show premium features in description
  • Ability to create programs
  • More TI-84 Plus CE features

Calculate 84 AI

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Calculate84 Plus

Subscriptions8
  • HyperCalc - Monthly$2.991 Month
  • HyperCalc - Monthly7 Days trial$2.991 Month
  • HyperCalc - Monthly7 Days trial$4.991 Month
Show 5 more
  • HyperCalc - Monthly$4.991 Month
  • HyperCalc - Yearly$14.991 Year
  • HyperCalc - Yearly7 Days trial$14.991 Year
  • HyperCalc - Yearly7 Days trial$19.991 Year
  • HyperCalc - Yearly$19.991 Year
One-time2
  • HyperCalc - Lifetime$29.99
  • HyperCalc - Lifetime$39.99
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

Questions

Is Calculate84 Plus free?
Calculate84 Plus is free to download, with in-app purchases available.
Is Calculate 84 AI free?
Calculate 84 AI is free to download, with in-app purchases available.
Which has better reviews, Calculate84 Plus or Calculate 84 AI?
Calculate 84 AI is rated higher. Calculate84 Plus averages 4.5 out of 5 from 306 ratings, while Calculate 84 AI averages 4.6 from 42 ratings.
Do Calculate84 Plus or Calculate 84 AI have ads?
Neither Calculate84 Plus nor Calculate 84 AI shows ads.
Which is updated more often, Calculate84 Plus or Calculate 84 AI?
Calculate84 Plus ships an update every 2 months, and Calculate 84 AI fortnightly. Most recently, Calculate84 Plus was updated on November 3, 2026 and Calculate 84 AI on November 4, 2026.

Other comparisons