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.
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.
- 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
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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/
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.
- Interactive quizzes
- Industrial calculations
- Video learning modules
- Subscription for full access
- Progress tracking
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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
Verdict
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
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.
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.
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.
| Parameter | Taculator 84 Graphing Calc | A Better Inspector |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (7.7K ratings) | 4.6 (18 ratings) — better |
| Positive reviews | 45.5% of reviews | 75.0% of reviews — better |
| Number of ratings | 7.7K — better | 18 |
| Update frequency | Every 3 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Subscription |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 57 MB | 266 MB |
| Age rating | 4+ | 4+ |
| Developer | Di Venisco UG (haftungsbeschrankt) | Daniel Hoke |
Customer experience
Taculator 84 Graphing Calc
A Better Inspector
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
Taculator 84 Graphing Calc
- 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
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- Taculator Pro - Yearly$14.991 Year
- Taculator Pro - Yearly7 Days trial$29.991 Year
- Taculator Pro7 Days trial$29.991 Year
- Taculator Pro - Lifetime$7.99
A Better Inspector
- A Better Inspector Membership$4.991 Month
Questions
Is Taculator 84 Graphing Calc free?
Is A Better Inspector free?
Which has better reviews, Taculator 84 Graphing Calc or A Better Inspector?
Do Taculator 84 Graphing Calc or A Better Inspector have ads?
Which is updated more often, Taculator 84 Graphing Calc or A Better Inspector?
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