# Critical Value Calculator vs Kragon

The clearest difference is update cadence: Kragon at every 6 weeks against Critical Value Calculator's every 43 months. Critical Value Calculator's advantage is iOS requirement (10.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Critical Value Calculator ships an update every 43 months, Kragon every 6 weeks. The most recent releases landed on October 27, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Critical Value Calculator | Kragon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kragon/id1672097374/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 43 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 25 MB | 24 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | iPhone, iPod, Mac | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Ahmad Sattar](https://appshunter.io/developer/1458483953) | [园园 刘](https://appshunter.io/developer/1620637450) |

## What reviewers say

### Critical Value Calculator

[App page](https://appshunter.io/ios/app/critical-value-calculator/id1612016227)

**In-app purchases:** none


### Kragon

[App page](https://appshunter.io/ios/app/kragon/id1672097374)

Securely encrypt any file type, including documents, photos, and videos. This utility works seamlessly with local, external, and cloud storage, offering a cloud-first approach for progressive syncing.

**Highlights:** Encrypt any file type, Supports local storage, Supports external drives, Works with cloud storage, Progressive cloud syncing

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Critical Value Calculator free?

Critical Value Calculator is free to download, with no in-app purchases.

### Is Kragon free?

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

### Do Critical Value Calculator or Kragon have ads?

Neither Critical Value Calculator nor Kragon shows ads.

### Which is updated more often, Critical Value Calculator or Kragon?

Critical Value Calculator ships an update every 43 months, and Kragon every 6 weeks. Most recently, Critical Value Calculator was updated on October 27, 2026 and Kragon on November 3, 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.*