# HYCAL vs IRT Assistant

HYCAL and IRT Assistant are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 14, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | HYCAL | IRT Assistant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 1 MB | 91 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Environmental Monitoring & Control Ltd](https://appshunter.io/developer/1624518640) | [Shenzhen CZF Intelligence Technology Co.,Ltd](https://appshunter.io/developer/1714166337) |

## What reviewers say

### HYCAL

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

**Features:** macOS Compatibility

**In-app purchases:** none


### IRT Assistant

[App page](https://appshunter.io/ios/app/irt-assistant/id6470749965)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HYCAL free?

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

### Is IRT Assistant free?

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

### Do HYCAL or IRT Assistant have ads?

Neither HYCAL nor IRT Assistant shows ads.

### Which is updated more often, HYCAL or IRT Assistant?

HYCAL ships an update every 2 months, and IRT Assistant every 2 months. Most recently, HYCAL was updated on October 14, 2026 and IRT Assistant on October 20, 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.*