# Halcyon Calc vs DM50

The clearest difference is update cadence: DM50 at monthly against Halcyon Calc's every 4 months. DM50 also leads on price ($0.99 vs $4.99) and device support (4 vs 2). On ads, in-app purchases and iOS requirement there is nothing between them.

Halcyon Calc costs $4.99 and DM50 $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Halcyon Calc ships an update every 4 months, DM50 monthly. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Halcyon Calc | DM50 |
| --- | --- | --- |
| Price | $4.99 | **$0.99** |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Paid | — |
| Size | 10 MB | 1 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Halcyon Touch Software](https://appshunter.io/developer/327064662) | [Javier Bascones](https://appshunter.io/developer/473518239) |

## 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


### DM50

[App page](https://appshunter.io/ios/app/dm50/id6760961234)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Halcyon Calc free?

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

### Is DM50 free?

DM50 costs $0.99, with no in-app purchases.

### Do Halcyon Calc or DM50 have ads?

Neither Halcyon Calc nor DM50 shows ads.

### Which is updated more often, Halcyon Calc or DM50?

Halcyon Calc ships an update every 4 months, and DM50 monthly. Most recently, Halcyon Calc was updated on October 9, 2026 and DM50 on October 13, 2026.

---

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