# Simple Harmonic Motion Calc vs LeanFITT™ Pro

The clearest difference is price: LeanFITT™ Pro at Free against Simple Harmonic Motion Calc's $2.99. LeanFITT™ Pro also leads on ratings volume (8 vs 2) and iOS requirement (13.0 vs 17.6). On rating, update cadence, ads and in-app purchases there is nothing between them.

LeanFITT™ Pro is free to download; Simple Harmonic Motion Calc costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Simple Harmonic Motion Calc against 5.0 for LeanFITT™ Pro. Both are backed by a comparable volume of ratings — 2 and 8 respectively.

Simple Harmonic Motion Calc ships an update every 28 months, LeanFITT™ Pro every 18 months. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Simple Harmonic Motion Calc | LeanFITT™ Pro |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/simple-harmonic-motion-calc/id1406677354/reviews) | [5.0 (8 ratings)](https://appshunter.io/ios/app/leanfitt-pro/id1438963242/reviews) |
| Number of ratings | 2 | **8** |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 18 months** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 28 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [MCS Media, Inc.](https://appshunter.io/developer/580374017) |

## What reviewers say

### Simple Harmonic Motion Calc

[App page](https://appshunter.io/ios/app/simple-harmonic-motion-calc/id1406677354)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### LeanFITT™ Pro

[App page](https://appshunter.io/ios/app/leanfitt-pro/id1438963242)

This app streamlines process improvement with AI-powered insights and gamified tracking. It offers intuitive Lean tools for individuals and teams to focus, involve, track, and transform workflows, fostering collaboration and growth.

**Highlights:** AI-powered insights, Gamified progress tracking, Intuitive Lean tools (A3, VSM, DMAIC), Quality tools (Fishbone, 5 Whys), Interactive learning and quizzes, Leaderboards and rewards, Kanban action board

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Simple Harmonic Motion Calc free?

Simple Harmonic Motion Calc costs $2.99, with no in-app purchases.

### Is LeanFITT™ Pro free?

LeanFITT™ Pro is free to download, with no in-app purchases.

### Which has better reviews, Simple Harmonic Motion Calc or LeanFITT™ Pro?

Simple Harmonic Motion Calc and LeanFITT™ Pro are both rated 5.0 out of 5 on the App Store, from 2 and 8 ratings respectively.

### Do Simple Harmonic Motion Calc or LeanFITT™ Pro have ads?

Neither Simple Harmonic Motion Calc nor LeanFITT™ Pro shows ads.

### Which is updated more often, Simple Harmonic Motion Calc or LeanFITT™ Pro?

Simple Harmonic Motion Calc ships an update every 28 months, and LeanFITT™ Pro every 18 months. Most recently, Simple Harmonic Motion Calc was updated on September 24, 2026 and LeanFITT™ Pro on September 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*