# Handwrytten vs Simple Harmonic Motion Calc

The clearest difference is price: Handwrytten at Free against Simple Harmonic Motion Calc's $2.99. Handwrytten also leads on update cadence (every 6 weeks vs every 28 months) and ratings volume (53 vs 2). Simple Harmonic Motion Calc's advantage is rating (5.0 vs 4.0). On ads, in-app purchases and device support there is nothing between them.

Handwrytten 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.

Simple Harmonic Motion Calc holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Handwrytten has 53 ratings behind it against 2, so its average is the more settled of the two.

Handwrytten ships an update every 6 weeks, Simple Harmonic Motion Calc every 28 months. The most recent releases landed on October 29, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Handwrytten | Simple Harmonic Motion Calc |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [4.0 (53 ratings)](https://appshunter.io/ios/app/handwrytten/id885989175/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/simple-harmonic-motion-calc/id1406677354/reviews)** |
| Number of ratings | **53** | 2 |
| Positive reviews | 79.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 28 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 35 MB | 1 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Handwrytten Inc](https://appshunter.io/developer/1769140246) | [Nitrio](https://appshunter.io/developer/321121189) |

## What reviewers say

### Handwrytten

[App page](https://appshunter.io/ios/app/handwrytten/id885989175)

Send personalized, handwritten notes and cards with your own message and an optional gift card. The service uses robotic machines to write your message in realistic handwriting, address the envelope, and mail it with a real stamp. It's a convenient way to send thoughtful messages for any occasion.

**Highlights:** Real pen and ink handwriting, Optional gift cards, Variety of card designs, Robotic writing machines, Mail service with real stamps, Custom stationery design

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💡 Personal touch
- ✍️ Realistic handwriting
- 🚀 Efficient and convenient
- 💯 Great for business
- 💰 Affordable

**What reviewers complain about**

- 🐛 App crashes
- 🐛 Account creation errors
- 🐛 Unsaved drafts
- 🐛 Address input issues
- 🐛 Limited card selection

**Reported bugs**

- App crashes when trying to proceed after typing message
- App closes without saving message
- Cannot create a new account
- Error message when trying to create an account
- App crashes frequently

**Requested features**

- Larger library of gifts (specifically books)
- Ability to write message in the book
- Bigger library of gifts
- More book options
- Ability to write message in the book


### 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


## Frequently asked questions

### Is Handwrytten free?

Handwrytten is free to download, with no in-app purchases.

### Is Simple Harmonic Motion Calc free?

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

### Which has better reviews, Handwrytten or Simple Harmonic Motion Calc?

Simple Harmonic Motion Calc is rated higher. Handwrytten averages 4.0 out of 5 from 53 ratings, while Simple Harmonic Motion Calc averages 5.0 from 2 ratings.

### Do Handwrytten or Simple Harmonic Motion Calc have ads?

Neither Handwrytten nor Simple Harmonic Motion Calc shows ads.

### Which is updated more often, Handwrytten or Simple Harmonic Motion Calc?

Handwrytten ships an update every 6 weeks, and Simple Harmonic Motion Calc every 28 months. Most recently, Handwrytten was updated on October 29, 2026 and Simple Harmonic Motion Calc on October 11, 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.*