Comparison

Desmos Test Mode vs Implicit Differentiation Cal

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

Head to head
About

Desmos Test Mode

This app provides restricted versions of graphing and scientific calculators designed to meet exam requirements. It allows users to practice for specific state or national assessments by selecting the appropriate test mode. Full, unrestricted calculator features are available in separate applications.

Highlights
  • Exam-compliant calculator modes
  • Graphing capabilities
  • Scientific calculator functions
  • Data tables and statistics
  • Interactive sliders
  • Points of interest on graphs
Read full description

** These are restricted versions of the Desmos Calculators that comply with exam requirements. To prepare for specific state or national assessments, select the corresponding test from the menu in the app. Find out whether Desmos is used for your test at www.desmos.com/testing. If you’d like to use full, unrestricted versions of the calculators, download the Scientific or Graphing Calculator apps or visit www.desmos.com. ** At Desmos, we imagine a world of universal math literacy where math is accessible and enjoyable for all students. To that end, we’ve built simple yet powerful calculators. They’re intuitive, beautiful, and completely free. - - - Graphing Calculator Features: Graphing: Plot polar, Cartesian, and parametric graphs. There’s no limit to how many expressions you can graph at one time—and you don’t even need to enter expressions in y= form! Sliders: Adjust values interactively to build intuition, or animate any parameter to visualize its effect on the graph. Tables: Input and plot data, or create an input-output table for any function. Statistics: Use regressions to find the lines (or other curves!) that best fit your data. Zooming: Scale the axes independently or at the same time with the pinch of two fingers, or edit the window size manually to get the perfect view of your graph. Points of Interest: Touch a curve to show its maximum and minimum values, intercepts, and points of intersection with other curves. Tap any of these points of interest to see their coordinates. Hold and drag along a curve to see the coordinates change under your finger as you trace. - - - Scientific Calculator Features: Variables: Assign values to variables that you can use in other expressions. Since all of your work is held in the expressions list, you can compute a value once and use it in many places simultaneously. Take advantage of the “ans” key, which always stores the value of the previous expression. Arithmetic: Beyond the four basic operations, the scientific calculator also supports exponentiation, radicals, absolute value, logarithms, rounding, and percentages. Trigonometry: Evaluate the fundamental trigonometric functions and their inverses using either radians or degrees for angle measure. Statistics: Compute the mean and standard deviation (sample or population) of a list of data. Combinatorics: Count combinations and permutations and calculate factorials. - - - Four-Function Calculator Features: Simple and Beautiful: Just the basics done right. Add, subtract, multiply, divide, and take square roots. Multiple Expressions: Unlike many four-function calculators, all of your previous work remains visible on the screen. The special “ans” key always holds the value of the previous computation (and updates automatically!), so you never have to remember or copy a result.

About

Implicit Differentiation Cal

Features
Read full description

Download this implicit differentiation calculator with steps to find the solution to complex derivative questions. What is the implicit derivative calculator? This application works as a math/calculus tool for computing the differentiation solutions. It is detailed and includes almost every option one might require during computation. What is implicit differentiation? One of the most complex topics alongside limits and integrals. Implicit differentiation is a type of finding derivatives i.e the rate of change with respect to some value (variable). It involves functions that are implicit in nature and performing differentiation on them. How to solve implicit derivatives? If you ever face an implicit differentiation question then the dy/dx calculator is always there for your rescue. Those who want to solve derivatives manually will have to learn the rules of differentiation and require a lot of practice. Which, again, is possible if you download this particular application. How to use this application? The developers have programmed this implicit derivative calculator with steps very easy to use but as mentioned before, the derivation is a complicated topic. Therefore, it is necessary to pay attention to the instructions below if you want this tool to operate accurately. 1. Enter the values of function f and g. 2. Choose the variable. 3. Review the equation from the display box. 4. Click calculate. Make sure that the selected variable is a part of the entered function. Features of this application: Let’s shed some light on the main features of this application to convince you of its fineness. 1. Easy interface to allow beginners to use it without any problem. This app has high usability which makes it an ideal choice for everyone. 2. Examples to give users an idea of implicit differentiation questions and their solutions. 3. The results of this application are a game-changer without any doubt. It is common for derivative calculators to give steps but this application has more to offer. Not only do you get the steps but also an explanation for each step. This is useful for newbies. It will help them to learn more about differentiation and its rules. 1. Keyboard for math functions like trigonometric, exponents e.t.c

Screenshots

Desmos Test Mode4 screens
Implicit Differentiation Cal4 screens

Verdict

The call

The clearest difference is update cadence: Desmos Test Mode at every 4 months against Implicit Differentiation Cal's every 9 months. Implicit Differentiation Cal's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Desmos Test Mode ships an update every 4 months, Implicit Differentiation Cal every 9 months. The most recent releases landed on September 10, 2026 and December 5, 2025 respectively.

Scorecard2 real differences · 8 level
Desmos Test Mode versus Implicit Differentiation Cal: the parameters behind the verdict, then further details
ParameterDesmos Test ModeImplicit Differentiation Cal
PriceFreeFree
Rating1.6 (368 ratings) — better—
Positive reviews16.5% of reviews—
Number of ratings368 — better—
Update frequencyEvery 4 months — betterEvery 9 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.013.0 — better
Further details — not scored
Size6 MB24 MB
Age rating4+4+
DeveloperDesmosAhmad Sattar

Bugs and requests

Desmos Test Mode

Reported bugs

3 issues
  • App crashes and freezes during use
  • Unexpected phone behavior and lockouts
  • Compatibility issues across different devices and OS versions

Requested features

3 requests
  • Add customization options for the calculator interface
  • Improve compatibility with older devices
  • Provide more flexible calculator modes during tests

Implicit Differentiation Cal

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Desmos Test Mode

No in-app purchases

None

Implicit Differentiation Cal

No in-app purchases

Questions

Is Desmos Test Mode free?
Desmos Test Mode is free to download, with no in-app purchases.
Is Implicit Differentiation Cal free?
Implicit Differentiation Cal is free to download, with no in-app purchases.
Do Desmos Test Mode or Implicit Differentiation Cal have ads?
Neither Desmos Test Mode nor Implicit Differentiation Cal shows ads.
Which is updated more often, Desmos Test Mode or Implicit Differentiation Cal?
Desmos Test Mode ships an update every 4 months, and Implicit Differentiation Cal every 9 months. Most recently, Desmos Test Mode was updated on September 10, 2026 and Implicit Differentiation Cal on December 5, 2025.

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