# Halcyon Calc Lite vs my15c

The clearest difference is ads: my15c at none against Halcyon Calc Lite's shown. my15c also leads on update cadence (every 5 days vs every 3 months). Halcyon Calc Lite's advantage is iOS requirement (16.6 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Halcyon Calc Lite sells 3 one-off in-app purchases and my15c sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Halcyon Calc Lite ships an update every 3 months, my15c every 5 days. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Halcyon Calc Lite | my15c |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (15 ratings)](https://appshunter.io/ios/app/halcyon-calc-lite/id408004888/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 13 MB | 55 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 Lite

[App page](https://appshunter.io/ios/app/halcyon-calc-lite/id408004888)

This app is a powerful calculator for students and professionals, offering advanced features like symbolic expression manipulation, graphing, and statistical analysis. It supports real, complex, and integer numbers, matrices, and vectors, making it versatile for various mathematical tasks.

**Highlights:** Symbolic expression manipulation, Graphing of expressions, Matrix and vector calculations, Statistical analysis, Multiple number formats (decimal, hex, octal, binary), Over 225 built-in operations

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Directory And Unit Conversion Support | $0.99 | one-time |
| Programming Support | $1.99 | one-time |
| Larger Display Upgrade | $1.99 | one-time |


### my15c

[App page](https://appshunter.io/ios/app/my15c/id6796379580)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full App | $9.99 | one-time |


## Frequently asked questions

### Is Halcyon Calc Lite free?

Halcyon Calc Lite is free to download, with in-app purchases available.

### Is my15c free?

my15c is free to download, with in-app purchases available.

### Do Halcyon Calc Lite or my15c have ads?

Halcyon Calc Lite shows ads; my15c does not.

### Which is updated more often, Halcyon Calc Lite or my15c?

Halcyon Calc Lite ships an update every 3 months, and my15c every 5 days. Most recently, Halcyon Calc Lite was updated on October 29, 2026 and my15c 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.*