# Halcyon Calc vs my59

The clearest difference is price: my59 at Free against Halcyon Calc's $4.99. my59 also leads on update cadence (every 2 weeks vs every 4 months). Halcyon Calc's advantage is in-app purchases (none vs 3) and iOS requirement (16.6 vs 26.0). On ads and device support there is nothing between them.

my59 is free to download; Halcyon Calc costs $4.99 up front. my59 sells 3 in-app purchases, starting at $0.99 per month. Halcyon Calc asks for nothing beyond the download.

Halcyon Calc ships an update every 4 months, my59 every 2 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Halcyon Calc | my59 |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.9 (18 ratings)](https://appshunter.io/ios/app/halcyon-calc/id327064659/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 10 MB | 11 MB |
| Requires iOS | **16.6** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Halcyon Touch Software](https://appshunter.io/developer/327064662) | [Miroslav Perovic](https://appshunter.io/developer/400748424) |

## What reviewers say

### Halcyon Calc

[App page](https://appshunter.io/ios/app/halcyon-calc/id327064659)

A powerful calculator app for students, engineers, and scientists. It handles complex numbers, symbolic expressions, unit conversions, and matrix operations, with advanced plotting and programming capabilities.

**Highlights:** Complex number calculations, Symbolic expression manipulation, Unit conversion with custom units, Matrix and vector operations, Symbolic plotting, Programming of custom operations, Statistical data analysis

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

**In-app purchases:** none


### my59

[App page](https://appshunter.io/ios/app/my59/id6759532452)

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $9.99 | per year |
| Unlock Full App | $19.99 | one-time |


## Frequently asked questions

### Is Halcyon Calc free?

Halcyon Calc costs $4.99, with no in-app purchases.

### Is my59 free?

my59 is free to download, with in-app purchases available.

### Do Halcyon Calc or my59 have ads?

Neither Halcyon Calc nor my59 shows ads.

### Which is updated more often, Halcyon Calc or my59?

Halcyon Calc ships an update every 4 months, and my59 every 2 weeks. Most recently, Halcyon Calc was updated on October 23, 2026 and my59 on October 24, 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.*