Comparison

Simple Harmonic Motion Calc vs CircuitShepherd

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

Head to head
About

Simple Harmonic Motion Calc

This physics calculator quickly computes various parameters of simple harmonic motion, including amplitude, frequency, displacement, velocity, and acceleration. It supports high precision calculations and offers unit flexibility, making it a handy tool for students and professionals.

Highlights
  • Instant calculation of motion parameters
  • Copyable results
  • Included reference formulas
  • Supports 16 decimal places
  • Multiple unit support
  • Ad-free and private
Features
Read full description

Simple Harmonic Motion Calculator — a fast, accurate physics tool for solving displacement, velocity, and acceleration. Built for students, teachers, and engineers who need instant, reliable results. Enter amplitude, time, and phase, then choose angular frequency (ω), frequency (f), or period (T) — the app converts everything automatically and delivers real-time answers with beautiful, interactive graphs. KEY FEATURES • Instant x(t), v(t), and a(t) using the standard SHM equations: x(t) = A · cos(ωt + φ) v(t) = −Aω · sin(ωt + φ) a(t) = −Aω² · cos(ωt + φ) • Maximum velocity (Aω) and maximum acceleration (Aω²) computed automatically • Pick ω, f, or T as your input — values convert seamlessly • Configurable units for every quantity: meters, centimeters, kilometers, feet, inches, yards, miles, hertz, kilohertz, radians, degrees, revolutions, and more • SI / Metric and Imperial unit groups • Standard or Scientific notation display (e.g. 1.28 × 10⁻¹⁵) • Live equation view substitutes your numbers into each formula step by step • Interactive graph of displacement, velocity, and acceleration across one full oscillation • Zoom, pan, cursor tracking, and PNG export for lab reports or presentations • Built-in formula reference covering every SHM relation and symbol • Save calculations to a private local history — review, reload, or clear at any time • Dynamic Type and accessibility support • Offline app — no ads, no tracking, no internet required PERFECT FOR • Physics students studying mechanics, waves, oscillations, and harmonic motion • Teachers preparing worked examples and lecture material • Engineers analyzing springs, pendulums, vibration systems, and resonance • Anyone learning sinusoidal motion and harmonic analysis Simplify your next physics homework, lab report, or engineering analysis — download Simple Harmonic Motion Calculator today. Thanks for your support, and do visit nitrio.com for more apps for your iOS devices.

About

CircuitShepherd

Automate electronic circuit design with AI-driven parameter optimization. Define schematics and design goals, and the software finds optimal part values in real-time. Save time on calculations and iterations with this intuitive tool.

Highlights
  • Automated parameter optimization
  • AI-driven circuit engineering
  • Real-time design goal finding
  • Intuitive user interface
  • Schematic definition
  • Part value calculation
Read full description

CircuitShepherd provides you with analog-design superpowers by doing automated parameter optimization it in realtime! It's a novel Electronic Design Automation software for AI driven electronics circuit engineering. You define an arbitrary schematic including specific design goals and CircuitShepherd will find the right part values for you. This is achieved by combining traditional circuit simulation techniques with AI driven parameter estimation algorithms and finally a simple and intuitive user interface. It’s easy to learn, fast to use and it will save you a lot of time by automating your daily calculation and iteration tasks. CircuitShepherd is free to use immediately (with very basic features). The full version with all features enabled is available via in-app purchase (subscription-based). Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.circuitshepherd.com/privacy-policy-iOS.html

Screenshots

Simple Harmonic Motion Calc4 screens
CircuitShepherd4 screens

Verdict

The call

The clearest difference is price: CircuitShepherd at Free against Simple Harmonic Motion Calc's $2.99. CircuitShepherd also leads on update cadence (every 3 weeks vs every 28 months) and iOS requirement (14.0 vs 17.6). Simple Harmonic Motion Calc's advantage is rating (5.0 vs 1.5) and in-app purchases (none vs 1). On ratings volume, ads 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

CircuitShepherd is free to download; Simple Harmonic Motion Calc costs $2.99 up front. CircuitShepherd sells 1 in-app purchase, starting at $6.99 per month. Simple Harmonic Motion Calc asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Simple Harmonic Motion Calc holds the better App Store score, 5.0 against 1.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

UpkeepUpdate frequency

Simple Harmonic Motion Calc ships an update every 28 months, CircuitShepherd every 3 weeks. The most recent releases landed on September 24, 2026 and October 2, 2026 respectively.

Scorecard6 real differences · 4 level
Simple Harmonic Motion Calc versus CircuitShepherd: the parameters behind the verdict, then further details
ParameterSimple Harmonic Motion CalcCircuitShepherd
Price$2.99Free — better
Rating5.0 (2 ratings) — better1.5 (2 ratings)
Positive reviews—0.0% of reviews
Number of ratings22
Update frequencyEvery 28 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.614.0 — better
Further details — not scored
Size1 MB49 MB
Age rating4+4+
DeveloperNitrioJosef Woess

Customer experience

Simple Harmonic Motion Calc

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

CircuitShepherd

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Simple Harmonic Motion Calc

No in-app purchases

1 purchases

CircuitShepherd

Subscriptions1
  • full version$6.991 Month

Questions

Is Simple Harmonic Motion Calc free?
Simple Harmonic Motion Calc costs $2.99, with no in-app purchases.
Is CircuitShepherd free?
CircuitShepherd is free to download, with in-app purchases available.
Which has better reviews, Simple Harmonic Motion Calc or CircuitShepherd?
Simple Harmonic Motion Calc is rated higher. Simple Harmonic Motion Calc averages 5.0 out of 5 from 2 ratings, while CircuitShepherd averages 1.5 from 2 ratings.
Do Simple Harmonic Motion Calc or CircuitShepherd have ads?
Neither Simple Harmonic Motion Calc nor CircuitShepherd shows ads.
Which is updated more often, Simple Harmonic Motion Calc or CircuitShepherd?
Simple Harmonic Motion Calc ships an update every 28 months, and CircuitShepherd every 3 weeks. Most recently, Simple Harmonic Motion Calc was updated on September 24, 2026 and CircuitShepherd on October 2, 2026.

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