Comparison

Simple Harmonic Motion Calc vs Cluster2A

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
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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

Cluster2A

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Machine learning has become a powerful tool, revolutionizing how industries operate. Unsupervised learning is a machine learning method that analyzes and discovers hidden patterns, structures, or relationships in unclassified or unlabeled data. It is widely used to improve customer experience, provide personalized recommendations, optimize operations, and drive innovation. K-means and DBSCAN are two commonly used unsupervised learning algorithms. Common application scenarios: Customer and market segmentation: Grouping customers based on their behavior, demographic characteristics, or purchase history for targeted marketing and personalized recommendations. Retail analytics: Identifying "hotspot areas" in a store through cluster analysis of customer locations. Cluster2A combines two machine learning algorithms, K-means and DBSCAN, to help users with small datasets take their first steps into the world of machine learning more easily and enjoyably.

Screenshots

Simple Harmonic Motion Calc4 screens
Cluster2A4 screens

Verdict

The call

The clearest difference is price: Cluster2A at Free against Simple Harmonic Motion Calc's $2.99. Cluster2A also leads on update cadence (every 3 months vs every 28 months). Simple Harmonic Motion Calc's advantage is in-app purchases (none vs 2) and iOS requirement (17.6 vs 26.2). On 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

Cluster2A is free to download; Simple Harmonic Motion Calc costs $2.99 up front. Cluster2A sells 2 one-off in-app purchases. Simple Harmonic Motion Calc asks for nothing beyond the download.

UpkeepUpdate frequency

Simple Harmonic Motion Calc ships an update every 28 months, Cluster2A every 3 months. The most recent releases landed on September 24, 2026 and October 4, 2026 respectively.

Scorecard4 real differences · 5 level
Simple Harmonic Motion Calc versus Cluster2A: the parameters behind the verdict, then further details
ParameterSimple Harmonic Motion CalcCluster2A
Price$2.99Free — better
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 28 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad — betteriPhone
Requires iOS17.6 — better26.2
Further details — not scored
Size1 MB9 MB
Age rating4+4+
DeveloperNitrioChu-Yi Chang

In-app purchases

None

Simple Harmonic Motion Calc

No in-app purchases

2 purchases

Cluster2A

One-time2
  • K-means Model$1.99
  • DBSCAN Model$1.99

Questions

Is Simple Harmonic Motion Calc free?
Simple Harmonic Motion Calc costs $2.99, with no in-app purchases.
Is Cluster2A free?
Cluster2A is free to download, with in-app purchases available.
Do Simple Harmonic Motion Calc or Cluster2A have ads?
Neither Simple Harmonic Motion Calc nor Cluster2A shows ads.
Which is updated more often, Simple Harmonic Motion Calc or Cluster2A?
Simple Harmonic Motion Calc ships an update every 28 months, and Cluster2A every 3 months. Most recently, Simple Harmonic Motion Calc was updated on September 24, 2026 and Cluster2A on October 4, 2026.

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