Comparison

Mastering Spectroscopy vs Taculator 84 Graphing Calc

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

Head to head
About

Mastering Spectroscopy

Practice organic chemistry by analyzing IR, NMR, and mass spectrum data. Identify functional groups and proton types in graphs to build organic compounds.

Highlights
  • Analyze IR, NMR, and mass spectrum data
  • Identify functional groups
  • Identify proton types
  • Build organic compounds
  • Practice organic chemistry
Features
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Practice your organic chemistry by analyzing Infrared (IR), nuclear magnetic resonance (NMR), and mass spectrum data for a variety of organic samples. Identify functional groups and proton types in the graphs, then build the compound based on your findings.

About

Taculator 84 Graphing Calc

This advanced calculator app offers comprehensive tools for high school and college students, covering everything from pre-algebra to calculus and statistics. It features high-resolution graphing, matrix operations, and detailed statistical analysis, all accessible through an intuitive interface.

Highlights
  • Scientific and advanced math functions
  • High-resolution graphing and plotting
  • Matrix operations and storage
  • List, statistics, and distribution calculations
  • Integrated command catalog and help
  • Complex number support
  • Share calculations via text or email
Features
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TACULATOR 84 GRAPHING CALCULATOR • Your graphing calculator for high school and college students. • All the commands you know: advanced math, lists, statistics, distributions, stat plots and more. • Covers everything you need: Pre-Algebra, Algebra 1 & 2, Pre-Calculus, Calculus, Statistics... IT'S EVEN BETTER THAN AN ACTUAL CALCULATOR • 100X faster than a handheld, using the full calculation power of your iPhone/iPad. • High-resolution graphing window for sharp and beautiful graphs. • Icon home screen, redesigned menus, optional status line. • Share calculations by text or email. ◉ Math Functions • Scientific calculator with every basic and advanced function. • Scrollable history; copy any previous calculation. • Complex numbers support • Probability: nPr, nCr, factorial, random numbers. • Enter fractions easily; tap any result to flip fraction and decimal. • Piecewise functions, sequences, list commands like seq(, ΔList(, augment(. • Degree, radian and gradian angle modes, DMS format. • Error messages point at the exact spot in your input. ◉ Graphing Functions • Four graphing modes: Function, Parametric, Polar and Sequence (u, v, w with TIME and WEB plots); trace, tables, CALC and zoom work in every mode. • Smart trace snaps to zeros, maxima, minima, intersections and asymptotes. • Calculate intersection, zero, minimum, maximum, integral, and derivative. • Full ZOOM menu: ZBox, ZSquare, ZTrig, ZoomFit, zoom factors and zoom memory. • Draw on your graph: text, pen, points, tangents, circles and shading in color. • Store and recall pictures, or put a photo behind your graph. • Graph statistical plots like histogram, box plot, scatter plot, xy-line plot. • Full-screen mode, pinch to zoom, full window and format settings. ◉ List, Statistics, and Distribution • Stat list editor with 1- and 2-Variable statistics. • Guided input wizards for every test, interval and distribution. • List math: min, max, mean, median, sum, product, standard deviation, variance. • Find best-fit regressions: LinReg (ax+b), LinReg (a+bx), QuadReg, CubicReg, QuartReg, LnReg, ExpReg, PwrReg, Logistic, SinReg, PropReg, RecipReg, eBASEReg — with r and r² diagnostics. • Manual-Fit a line by eye, or QuickPlot points and fit a model right on the graph. • Statistical tests: Z-Test, T-Test, 2-Sample Z- and T-Tests, 1- and 2-PropZTest, plus Z-, T- and proportion intervals. • Distributions: Normal, T, χ2, F, Poisson, Binomial, Geometric (each pdf and cdf), invT — and shade them right on the graph. ◉ Command Catalog & Syntax Help • Integrated Catalog & Help: syntax, examples and error messages for every command. • Type a command and see the right syntax next to the cursor. ◉ Built-in Apps • Geometry: points, lines, circles and polygons — measure, transform, animate. • Polynomial Root Finder & Simultaneous Equation Solver. • Finance: Time-Value-of-Money solver, NPV, IRR, amortization. • Probability Simulation: toss coins, roll dice, spin spinners, draw cards. • Science Tools: sig-fig calculator, unit converter, data/graphs wizard, vector calculator. • Conics & Lines: equation templates for lines (even X=C), circles, parabolas, ellipses and hyperbolas, with SOLVE for center, foci, vertices, directrix. • Transformation Graphing, Inequality Graphing, Periodic Table. • Numeric Solver: solve any equation for any variable. ◉ Matrix Calculator • Store matrices and reuse them as [A], [B], [C], ... • Matrix arithmetic: addition, multiplication, scalar products, powers. • Transpose, determinant, inverse, dimension, ref/rref, identity matrix, cumulative sum. SUPPORT Contact us at contact@taculator.com --- Taculator Pro Membership • Unlock advanced calculations and functions with a monthly, yearly, or lifetime subscription. • Subscriptions auto-renew unless canceled at least 24 hours before the end of the current period. • Manage subscriptions in Account Settings. Terms of Service: https://taculator.com/terms/ Privacy Policy: https://taculator.com/privacy/

Screenshots

Mastering Spectroscopy4 screens
Taculator 84 Graphing Calc4 screens

Verdict

The call

The clearest difference is rating: Taculator 84 Graphing Calc at 4.5 against Mastering Spectroscopy's 3.3. Taculator 84 Graphing Calc also leads on update cadence (every 3 weeks vs every 4 months) and ratings volume (7.6K vs 6). Mastering Spectroscopy's advantage is iOS requirement (13.0 vs 15.0). On price, review sentiment, 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. Mastering Spectroscopy sells 1 one-off in-app purchase and Taculator 84 Graphing Calc sells 7 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Taculator 84 Graphing Calc holds the better App Store score, 4.5 against 3.3. That said, the two scores are not equally well evidenced: Taculator 84 Graphing Calc has 7.6K ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 40% of Mastering Spectroscopy's written reviews are positive against 46% of Taculator 84 Graphing Calc's.

UpkeepUpdate frequency

Mastering Spectroscopy ships an update every 4 months, Taculator 84 Graphing Calc every 3 weeks. The most recent releases landed on October 16, 2026 and October 21, 2026 respectively.

Scorecard4 real differences · 6 level
Mastering Spectroscopy versus Taculator 84 Graphing Calc: the parameters behind the verdict, then further details
ParameterMastering SpectroscopyTaculator 84 Graphing Calc
PriceFreeFree
Rating3.3 (6 ratings)4.5 (7.6K ratings) — better
Positive reviews40.0% of reviews45.5% of reviews — better
Number of ratings67.6K — better
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS13.0 — better15.0
Further details — not scored
Size20 MB57 MB
Age rating4+4+
DeveloperOnlea Enterprises Inc.Di Venisco UG (haftungsbeschrankt)

Customer experience

Mastering Spectroscopy

All ratings6 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews5 reviews
Positive40.0%
Neutral0.0%
Negative60.0%

Taculator 84 Graphing Calc

All ratings7,628 ratings
Positive87.8%
Neutral3.7%
Negative8.5%
Written reviews178 reviews
Positive45.5%
Neutral13.5%
Negative41.0%

Bugs and requests

Mastering Spectroscopy

Not enough reviews yet to summarise bugs or requests.

Taculator 84 Graphing Calc

Reported bugs

4 issues
  • Cannot handle negative powers
  • Keyboard issues on certain devices
  • Errors when trying to clear lists
  • Scaling and UI issues on some devices

Requested features

4 requests
  • Add apps and programming features
  • Improve graphing capabilities
  • Add support for degrees, minutes, and seconds
  • Implement symbolic calculus and equation solving

In-app purchases

1 purchases

Mastering Spectroscopy

One-time1
  • access to all samples2 variants$1.99
7 purchases

Taculator 84 Graphing Calc

Subscriptions6
  • Taculator Pro - Monthly7 Days trial4 variants$3.991 Month
  • Taculator Pro - Monthly2 variants$3.991 Month
  • Taculator Pro - Yearly7 Days trial2 variants$14.991 Year
Show 3 more
  • Taculator Pro - Yearly$14.991 Year
  • Taculator Pro - Yearly7 Days trial$29.991 Year
  • Taculator Pro7 Days trial$29.991 Year
One-time1
  • Taculator Pro - Lifetime$7.99

Questions

Is Mastering Spectroscopy free?
Mastering Spectroscopy is free to download, with in-app purchases available.
Is Taculator 84 Graphing Calc free?
Taculator 84 Graphing Calc is free to download, with in-app purchases available.
Which has better reviews, Mastering Spectroscopy or Taculator 84 Graphing Calc?
Taculator 84 Graphing Calc is rated higher. Mastering Spectroscopy averages 3.3 out of 5 from 6 ratings, while Taculator 84 Graphing Calc averages 4.5 from 7.6K ratings.
Do Mastering Spectroscopy or Taculator 84 Graphing Calc have ads?
Neither Mastering Spectroscopy nor Taculator 84 Graphing Calc shows ads.
Which is updated more often, Mastering Spectroscopy or Taculator 84 Graphing Calc?
Mastering Spectroscopy ships an update every 4 months, and Taculator 84 Graphing Calc every 3 weeks. Most recently, Mastering Spectroscopy was updated on October 16, 2026 and Taculator 84 Graphing Calc on October 21, 2026.

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