Graphing Calculator 84 vs Click One
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Graphing Calculator 84
This app offers a comprehensive graphing and scientific calculator experience, mimicking the functionality of a Ti-84. It includes advanced features for graphing, symbolic calculations, equation solving, and extensive statistical analysis. Users can upgrade for full access to all capabilities.
- Graphing calculator with function, polar, and parametric plots
- Scientific calculator with computer algebra system
- Equation solver for various equation types
- Extensive 1-variable and 2-variable statistics
- Inferential statistics and distribution functions
- Interactive and manual tracing modes
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The graphing calculator provides a UI similar to a real 84 graphing calculator. ◉ Graphing Calculator - Supports function, polar, and parametric graphs. - Press MODE and select Graph mode, then press Y= to open the graph editor. Press GRAPH to draw the functions. - Interactive and manual tracing modes. - Shows intersections, roots, and extrema (local maxima and minima) of function graphs. - Shows derivatives of function graphs. - Shows tangents to function and polar graphs. - Best‑fit line for a set of points. - TABLE generates a table of values for the selected graph. - CALC computes min, max, d/dx, and integrals of the selected graph. ◉ Scientific Calculator - Includes a computer algebra system for symbolic calculation. - Supports the functions you use on 83 and 84 graphing calculators. - All basic and advanced math functions: complex numbers, probability, angles, relational operations, logic operations, and matrix and vector operations. - Users can define custom calculator functions. ◉ Equation Solver (press ALPHA ENTER to open the SOLVER menu) - Solves any equation with Auto Solver mode and can provide symbolic roots. - Solves quadratic, cubic, quartic, and quintic equations. - Solves systems of equations with up to 5 variables. ◉ Statistics - 1‑Var Stats: calculates 1‑variable statistics. - 2‑Var Stats: calculates 2‑variable statistics. - LinReg(ax+b): fits a linear model to data. - QuadReg: fits a quadratic model to data. - CubicReg: fits a cubic model to data. - QuartReg: fits a quartic model to data. - LinReg(a+bx): fits a linear model to data. - LnReg: fits a logarithmic model to data. - ExpReg: fits an exponential model to data. ◉ Inferential Statistics and Distributions - Z‑Test, T‑Test, 2‑SampZTest, 2‑SampTTest, 1‑PropZTest, 2‑PropZTest, Z‑Interval, T‑Interval, 2‑SampZInt, 2‑SampTInt, 1‑PropZInt, 2‑PropZInt, Chi‑square Test, Chi‑square GOF Test, 2‑SampFTest, LinRegTTest, LinRegTInt, ANOVA. - All distribution functions, including Normal, Student’s t, Chi‑square, F, binomial, and more. ◉ Get Calculator 84 Premium Upgrade to the Premium version to access all the features above, including advanced math functions, statistics, inferential statistics and distributions, scanning math with your camera, and more. Choose from 3 options: - A 1‑month subscription - A 1‑year subscription - A lifetime purchase Subscription payments will be charged to your Apple Account at confirmation of purchase and at the start of each renewal term. You can cancel at any time through your Apple Account settings. You must do this at least 24 hours before the end of the current period to avoid being charged. Cancellation takes effect the day after the current period ends, and you will be downgraded to the free service. TI-84 is a registered trademark of Texas Instruments Incorporated. Calc84 is not affiliated with Texas Instruments. Terms of Service: https://calc84-efd3d.firebaseapp.com/tos.html Privacy Policy: https://calc84-efd3d.firebaseapp.com/privacypolicy.html
Click One
This app uses music and animations to teach cause and effect and encourage communication. It offers opportunities for choice-making and interaction with touch screen devices. Multiple user modes cater to different learning needs.
- Music clips and animations
- Cause and effect learning
- Communication promotion
- Choice making opportunities
- Touch screen interaction
- Single, 2x, and 4x button modes
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Click one is an intuitive and engaging app which uses short music clips and animations to assist with building awareness of cause and effect and promote communication. Click One provides opportunities for choice making and to begin to use touch screen devices. The app feature three different user modes - Single button, 2x button and 4x button. When the on screen button is pressed, music is played and an animation is triggered. Click One was designed by Registered Music Therapist Carlin McLellan.
Screenshots
Verdict
The clearest difference is in-app purchases: Click One at none against Graphing Calculator 84's 4. Click One also leads on ads (none vs shown) and review sentiment (100% vs 84%). On price, update cadence 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
Both are free to download. Graphing Calculator 84 sells 4 in-app purchases, starting at $1.99 per month. Click One asks for nothing beyond the download.
Graphing Calculator 84 ships an update every 2 months, Click One monthly. Both last shipped on November 3, 2026.
| Parameter | Graphing Calculator 84 | Click One |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (5.1K ratings) — better | — |
| Positive reviews | 83.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 5.1K — better | — |
| Update frequency | Every 2 months | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 15 | 10.0 — better |
| Further details — not scored | ||
| Size | 163 MB | 67 MB |
| Age rating | 12+ | 4+ |
| Developer | Tran Duy | Music Therapy Australia Pty Ltd |
Customer experience
Graphing Calculator 84
Click One
Bugs and requests
Graphing Calculator 84
Reported bugs
2 issues- Incorrect results for some exponent/root operations with negative numbers
- Inability to view full range of result formats for certain calculations
Requested features
4 requests- Ability to edit expressions in history
- More customization options for themes/icons
- Improved handling of complex number operations
- Better support for finding all function zeros
Click One
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Graphing Calculator 84
- Calc84 One Month$1.991 Month
- Calc84 One Year$2.991 Year
- Graphing Calculator Plus$5.99
- Calc84 Pro Lifetime$5.99
Click One
No in-app purchases
Questions
Is Graphing Calculator 84 free?
Is Click One free?
Do Graphing Calculator 84 or Click One have ads?
Which is updated more often, Graphing Calculator 84 or Click One?
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