# DOC 2026 vs CAS_Calc

The clearest difference is update cadence: DOC 2026 at weekly against CAS_Calc's fortnightly. DOC 2026 also leads on iOS requirement (13.0 vs 17.0). 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.

DOC 2026 ships an update weekly, CAS_Calc fortnightly. The most recent releases landed on October 10, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | DOC 2026 | CAS_Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Size | 78 MB | 16 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [MCN Medizinische Congressorganisation Nürnberg GmbH](https://appshunter.io/developer/1895262430) | [Peter Hoffmann](https://appshunter.io/developer/6797644932) |

## What reviewers say

### DOC 2026

[App page](https://appshunter.io/ios/app/doc-2026/id6763319522)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### CAS_Calc

[App page](https://appshunter.io/ios/app/cas-calc/id6798420368)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DOC 2026 free?

DOC 2026 is free to download, with no in-app purchases.

### Is CAS_Calc free?

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

### Do DOC 2026 or CAS_Calc have ads?

Neither DOC 2026 nor CAS_Calc shows ads.

### Which is updated more often, DOC 2026 or CAS_Calc?

DOC 2026 ships an update weekly, and CAS_Calc fortnightly. Most recently, DOC 2026 was updated on October 10, 2026 and CAS_Calc on October 31, 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.*