# HYCAL vs Conversion Calculator

The clearest difference is in-app purchases: HYCAL at none against Conversion Calculator's 1. HYCAL also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Conversion Calculator sells 1 one-off in-app purchase. HYCAL asks for nothing beyond the download.

HYCAL ships an update every 2 months, Conversion Calculator every 5 weeks. Both last shipped on October 14, 2026.

## The numbers

| Metric | HYCAL | Conversion Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (157 ratings)](https://appshunter.io/ios/app/conversion-calculator-metric/id6468678523/reviews)** |
| Number of ratings | — | **157** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 7 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Environmental Monitoring & Control Ltd](https://appshunter.io/developer/1624518640) | [Collins Cheruiyot](https://appshunter.io/developer/1579009978) |

## What reviewers say

### HYCAL

[App page](https://appshunter.io/ios/app/hycal/id1441992541)

**Features:** macOS Compatibility

**In-app purchases:** none


### Conversion Calculator

[App page](https://appshunter.io/ios/app/conversion-calculator-metric/id6468678523)

Easily convert between metric and imperial units for weight, length, temperature, area, and time. This app offers precise, fast results with a clean interface, working offline for daily, travel, school, or work needs.

**Highlights:** Metric and imperial unit conversion, Weight, length, temperature, area, time, Offline functionality, Precise and fast results, Clean and minimal interface, Over 100 measurement types

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access forever | $8.99 | one-time |


## Frequently asked questions

### Is HYCAL free?

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

### Is Conversion Calculator free?

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

### Do HYCAL or Conversion Calculator have ads?

Neither HYCAL nor Conversion Calculator shows ads.

### Which is updated more often, HYCAL or Conversion Calculator?

HYCAL ships an update every 2 months, and Conversion Calculator every 5 weeks. Most recently, HYCAL was updated on October 14, 2026 and Conversion Calculator on October 14, 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.*