Comparison

Curve Plot Graph Calc Lite vs Calculate84 Plus

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

Head to head
About

Curve Plot Graph Calc Lite

This app allows users to plot mathematical equations and visualize their curves on a Cartesian plane. It offers interactive manipulation of graphs, including zooming and scrolling, and provides tools for calculating slopes, roots, and areas under curves. Results can be exported and shared.

Highlights
  • Plot mathematical equations
  • Interactive graph manipulation
  • Calculate slopes and roots
  • Area under curve calculation
  • Exportable calculation sheets
  • Solver UI for precise numbers
Features
Read full description

iCurve Plotter & iMulti Plotter, are of the best graph applications available in the App Store, yet easy to use. they are handy tools essential for doctors, engineers, students and laboratories. Used to plot the mathematical equations, it uses advanced expression interpreter to plot those equation’s curves. Just enter your expressions and the app will do the rest for you, and represents the graphical output instantly on a Cartesian plane. You can always manipulate the graph interactively (zooming in/out, scrolling and tracking). so you can determine the value of (y) for any given value of (x), plus the slope of a curve at that specific point. also you can get the precise numbers using a dedicated Solver UI. and now you can calculate & visualize area under curve for a given interval. you always can get the equation and numerical results in a formatted sheet that can be exported or shared. Minima, maxima & root points are calculated and represented automatically. ► Features: - Easy expression entry form, with history. - Specialized numeric & function keyboards. - Controlling graph look & behavior. - Controlling properties of Pen, Text, Color for both curves & graph. - Automatic axes Scaling. - Zoom in/out, scrolling & Tracking. - Reset Graph, Origin. - Graph lock. - Exportable calculations Sheet. - Interactively & numerically enterd limits specification. - Solver & Solved points collection with auto re-calculation. - POI points collection with auto re-calculation. - Live Curve Slope tracking & calculations. - Precision Control. - Area under curve presentation & calculations, with interactive tagging. - Certified by EAS Organization.

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

Screenshots

Curve Plot Graph Calc Lite4 screens
Calculate84 Plus4 screens

Verdict

The call

The clearest difference is rating: Calculate84 Plus at 4.5 against Curve Plot Graph Calc Lite's 1.0. Calculate84 Plus also leads on ratings volume (306 vs 2). Curve Plot Graph Calc Lite's advantage is in-app purchases (none vs 10) and review sentiment (80% vs 64%). On price, update cadence, ads and device support 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. Curve Plot Graph Calc Lite asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Calculate84 Plus holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Calculate84 Plus has 306 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 80% of Curve Plot Graph Calc Lite's written reviews are positive against 64% of Calculate84 Plus's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Curve Plot Graph Calc Lite ships an update every 6 weeks, Calculate84 Plus every 2 months. The most recent releases landed on October 16, 2026 and October 29, 2026 respectively.

Scorecard6 real differences · 4 level
Curve Plot Graph Calc Lite versus Calculate84 Plus: the parameters behind the verdict, then further details
ParameterCurve Plot Graph Calc LiteCalculate84 Plus
PriceFreeFree
Rating1.0 (2 ratings)4.5 (306 ratings) — better
Positive reviews80.0% of reviews — better64.0% of reviews
Number of ratings2306 — better
Update frequencyEvery 6 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS7.0 — better13.0
Further details — not scored
Size47 MB33 MB
Age rating4+4+
DeveloperAmran AlQasmiDi Venisco UG (haftungsbeschrankt)

Customer experience

Curve Plot Graph Calc Lite

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews15 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

Calculate84 Plus

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

Bugs and requests

Curve Plot Graph Calc Lite

Not enough reviews yet to summarise bugs or 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

In-app purchases

None

Curve Plot Graph Calc Lite

No 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

Questions

Is Curve Plot Graph Calc Lite free?
Curve Plot Graph Calc Lite is free to download, with no in-app purchases.
Is Calculate84 Plus free?
Calculate84 Plus is free to download, with in-app purchases available.
Which has better reviews, Curve Plot Graph Calc Lite or Calculate84 Plus?
Calculate84 Plus is rated higher. Curve Plot Graph Calc Lite averages 1.0 out of 5 from 2 ratings, while Calculate84 Plus averages 4.5 from 306 ratings.
Do Curve Plot Graph Calc Lite or Calculate84 Plus have ads?
Neither Curve Plot Graph Calc Lite nor Calculate84 Plus shows ads.
Which is updated more often, Curve Plot Graph Calc Lite or Calculate84 Plus?
Curve Plot Graph Calc Lite ships an update every 6 weeks, and Calculate84 Plus every 2 months. Most recently, Curve Plot Graph Calc Lite was updated on October 16, 2026 and Calculate84 Plus on October 29, 2026.

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