# KADRIS 4 Mobile vs PRO.4 DOD

KADRIS 4 Mobile and PRO.4 DOD 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.

KADRIS 4 Mobile ships an update fortnightly, PRO.4 DOD every 4 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | KADRIS 4 Mobile | PRO.4 DOD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 weeks |
| Size | 77 MB | 46 MB |
| Requires iOS | 17.4 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Četrta pot, d. o. o. Kranj](https://appshunter.io/developer/1361568387) | [PRO-BIT PRO.4 d.o.o.](https://appshunter.io/developer/1071235078) |

## What reviewers say

### KADRIS 4 Mobile

[App page](https://appshunter.io/ios/app/kadris-4-mobile/id1456104426)

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

**In-app purchases:** none


### PRO.4 DOD

[App page](https://appshunter.io/ios/app/pro4-dod/id6751571923)

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

**In-app purchases:** none


## Frequently asked questions

### Is KADRIS 4 Mobile free?

KADRIS 4 Mobile is free to download, with no in-app purchases.

### Is PRO.4 DOD free?

PRO.4 DOD is free to download, with no in-app purchases.

### Do KADRIS 4 Mobile or PRO.4 DOD have ads?

Neither KADRIS 4 Mobile nor PRO.4 DOD shows ads.

### Which is updated more often, KADRIS 4 Mobile or PRO.4 DOD?

KADRIS 4 Mobile ships an update fortnightly, and PRO.4 DOD every 4 weeks. Most recently, KADRIS 4 Mobile was updated on October 29, 2026 and PRO.4 DOD on October 30, 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.*