Comparison

Magnetometer ∞ vs SepCalc

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

Head to head
About

Magnetometer ∞

Visualize magnetic fields in real-time with precision charts and monitor X, Y, Z axis readings. Ideal for scientific research, education, and field work, this app offers professional-grade accuracy and an intuitive interface for easy data interpretation.

Highlights
  • Real-time magnetic field visualization
  • X, Y, Z axis readings in microteslas
  • Scientific research tool
  • Educational aid
  • Field work companion
  • Intuitive interface
Read full description

Magnetometer Visualizer - Explore the invisible magnetic world - Visualize magnetic fields in real-time with precision charts - Monitor X, Y, Z axis readings in microteslas (µT) - Perfect for scientific research, education, and field work - Professional-grade accuracy for reliable measurements - Clean, intuitive interface for easy data interpretation Whether you're a researcher, student, or professional, unlock the power of magnetic field analysis with stunning real-time visualization. Privacy Policy: https://apps.fawkeswei.com/magnetometer/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

SepCalc

Features
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ONE CALCULATOR. EVERY LEVEL OF WORK. SepCalc combines an approachable everyday calculator with the depth of a professional scientific, graphing, programmable, and financial workstation. Start with a simple expression, then turn the result into an explanation, graph, table, scenario, script, or auditable report. FAST, FLEXIBLE CALCULATION • Natural algebraic entry and optional RPN • Exact fractions, radicals, symbolic constants, complex numbers, and arbitrary-size integers • Scientific, engineering, fixed-decimal, fraction, and mixed-number formats • Degrees, radians, gradians, DMS, bases, bitwise operations, variables, memory, and searchable history • Clear calculation steps, domain checks, precision controls, and reusable results SCIENTIFIC POWER • Computer algebra for simplifying, expanding, factoring, solving, symbolic calculus, series, and transforms • Numerical solvers, derivatives, integrals, optimization, differential equations, and error estimates • Vectors, matrices, linear systems, decompositions, eigenvalues, and least-squares analysis • Dimension-aware unit conversion and searchable physical constants with source metadata • Engineering, electrical, chemistry, geometry, and measurement tools GRAPH, VISUALIZE, AND EXPLORE • Cartesian, polar, parametric, implicit, inequality, sequence, and field plots • Trace roots, extrema, intersections, derivatives, tangents, and areas • Linked value tables, parameter sliders, animation, and adaptive discontinuity handling • Interactive 3D surfaces, curves, vectors, meshes, cross-sections, contours, and exports DATA AND STATISTICS • Typed tables with CSV and TSV import and export • Descriptive statistics, probability distributions, regression, inference, and ANOVA • Statistical plots, time-series tools, simulation, bootstrap, permutation, and Monte Carlo workflows • Optional permission-based sensor and laboratory data capture with provenance A FINANCIAL CALCULATOR BUILT FOR REAL DECISIONS • Complete TVM worksheets for N, I/Y, PV, PMT, and FV • Loans, mortgages, amortization schedules, refinance comparisons, and savings goals • Cash flows, NPV, IRR, capital budgeting, interest conversion, depreciation, dates, profit, and breakeven • Bond pricing and yield, portfolio performance and optimization, valuation and DCF • Options, Greeks, risk analytics, historical source-aware FX, and actuarial tools • Visible formulas, substitutions, timelines, assumptions, day-count conventions, and sign conventions PROGRAM IT YOUR WAY Use the bundled offline Python environment for scripts, notebook-style work, native math and finance APIs, charts, reusable projects, and custom calculators—without depending on a Mac, external Python installation, or network service. DESIGNED FOR TRUST SepCalc uses deterministic engines to calculate and verify results. Guided tools can help interpret a problem, but the mathematics remains inspectable. Core math, finance, graphing, and scripting work locally. Your projects stay under your control. Built for iPhone and iPad, with a capable Apple Watch companion, widgets, Shortcuts, sharing, accessibility support, and localized experiences in English, German, French, Spanish, Brazilian Portuguese, and Japanese. From a quick calculation to an advanced model, SepCalc keeps powerful tools organized, discoverable, and ready when you need them. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Magnetometer ∞2 screens
SepCalc4 screens

Verdict

The call

The clearest difference is ads: SepCalc at none against Magnetometer ∞'s shown. SepCalc also leads on device support (3 vs 1). On price, update cadence, in-app purchases and iOS requirement 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. Magnetometer ∞ sells 2 in-app purchases, starting at $1.99 per 7 days and SepCalc sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Magnetometer ∞ ships an update every 2 weeks, SepCalc fortnightly. The most recent releases landed on November 6, 2026 and October 29, 2026 respectively.

Scorecard2 real differences · 7 level
Magnetometer ∞ versus SepCalc: the parameters behind the verdict, then further details
ParameterMagnetometer ∞SepCalc
PriceFreeFree
Rating4.4 (59 ratings) — better—
Number of ratings59 — better—
Update frequencyEvery 2 weeks — betterFortnightly
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad, Apple Watch — better
Requires iOS17.0 — better18.0
Further details — not scored
Size16 MB103 MB
Age rating4+4+
DeveloperFawkes WeiDavid Seppi

In-app purchases

2 purchases

Magnetometer ∞

Subscriptions1
  • Weekly$1.997 Days
One-time1
  • Lifetime$9.99
3 purchases

SepCalc

Subscriptions2
  • SepCalc Intelligence Monthly$4.991 Month
  • SepCalc Intelligence Annual7 Days trial$39.991 Year
One-time1
  • SepCalc Pro Lifetime$14.99

Questions

Is Magnetometer ∞ free?
Magnetometer ∞ is free to download, with in-app purchases available.
Is SepCalc free?
SepCalc is free to download, with in-app purchases available.
Do Magnetometer ∞ or SepCalc have ads?
Magnetometer ∞ shows ads; SepCalc does not.
Which is updated more often, Magnetometer ∞ or SepCalc?
Magnetometer ∞ ships an update every 2 weeks, and SepCalc fortnightly. Most recently, Magnetometer ∞ was updated on November 6, 2026 and SepCalc on October 29, 2026.

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