Comparison

Taculator 84 Graphing Calc vs A Better Inspector

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

Head to head
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
Read full description

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/

About

A Better Inspector

This app provides industrial inspection training with interactive quizzes, essential calculations, and video lessons. It offers a subscription for enhanced learning and features.

Highlights
  • Interactive quizzes
  • Industrial calculations
  • Video learning modules
  • Subscription for full access
  • Progress tracking
Features
Read full description

Industrial inspection app with quizzes, calculations, and video learning. A $4.99 for a One-Month purchase will be applied to your iTunes account on confirmation. Subscriptions will automatically renew unless canceled within 24 hours before the end of the current period. You can cancel anytime with your iTunes account settings. Any unused portion of a free trial will be forfeited if you purchase a subscription. Privacy policy and terms of use: https://www.just3dj.com/about

Screenshots

Taculator 84 Graphing Calc4 screens
A Better Inspector3 screens

Verdict

The call

The clearest difference is monetization model: Taculator 84 Graphing Calc at free with in-app purchases against A Better Inspector's subscription. Taculator 84 Graphing Calc also leads on ratings volume (7.7K vs 18) and update cadence (every 3 weeks vs every 3 months). A Better Inspector's advantage is review sentiment (75% vs 46%). 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. Taculator 84 Graphing Calc sells 7 in-app purchases, starting at $3.99 per month and A Better Inspector sells 1 in-app purchase, starting at $4.99 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 Taculator 84 Graphing Calc against 4.6 for A Better Inspector. That said, the two scores are not equally well evidenced: Taculator 84 Graphing Calc has 7.7K ratings behind it against 18, so its average is the more settled of the two. Written reviews are what separate them: 46% of Taculator 84 Graphing Calc's written reviews are positive against 75% of A Better Inspector's.

UpkeepUpdate frequency

Taculator 84 Graphing Calc ships an update every 3 weeks, A Better Inspector every 3 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
Taculator 84 Graphing Calc versus A Better Inspector: the parameters behind the verdict, then further details
ParameterTaculator 84 Graphing CalcA Better Inspector
PriceFreeFree
Rating4.5 (7.7K ratings)4.6 (18 ratings) — better
Positive reviews45.5% of reviews75.0% of reviews — better
Number of ratings7.7K — better18
Update frequencyEvery 3 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS15.0 — better18.0
Further details — not scored
Size57 MB266 MB
Age rating4+4+
DeveloperDi Venisco UG (haftungsbeschrankt)Daniel Hoke

Customer experience

Taculator 84 Graphing Calc

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

A Better Inspector

All ratings18 ratings
Positive88.9%
Neutral5.6%
Negative5.6%
Written reviews4 reviews
Positive75.0%
Neutral25.0%
Negative0.0%

Bugs and 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

A Better Inspector

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

Taculator 84 Graphing Calc

Subscriptions6
  • Taculator Pro - Monthly7 Days trial2 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
1 purchases

A Better Inspector

Subscriptions1
  • A Better Inspector Membership$4.991 Month

Questions

Is Taculator 84 Graphing Calc free?
Taculator 84 Graphing Calc is free to download, with in-app purchases available.
Is A Better Inspector free?
A Better Inspector is free to download, with in-app purchases available.
Which has better reviews, Taculator 84 Graphing Calc or A Better Inspector?
A Better Inspector is rated higher. Taculator 84 Graphing Calc averages 4.5 out of 5 from 7.7K ratings, while A Better Inspector averages 4.6 from 18 ratings.
Do Taculator 84 Graphing Calc or A Better Inspector have ads?
Neither Taculator 84 Graphing Calc nor A Better Inspector shows ads.
Which is updated more often, Taculator 84 Graphing Calc or A Better Inspector?
Taculator 84 Graphing Calc ships an update every 3 weeks, and A Better Inspector every 3 months. Most recently, Taculator 84 Graphing Calc was updated on November 2, 2026 and A Better Inspector on November 3, 2026.

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