# UMM vs DHK Concret Calculator

The clearest difference is update cadence: DHK Concret Calculator at every 6 weeks against UMM's every 9 months. UMM's advantage is iOS requirement (12.0 vs 15.6). 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.

UMM ships an update every 9 months, DHK Concret Calculator every 6 weeks. The most recent releases landed on October 21, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | UMM | DHK Concret Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (24 ratings)](https://appshunter.io/ios/app/umm/id1336062702/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 10 MB | 13 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Panaccess Systems GmbH](https://appshunter.io/developer/465494739) | [Sabri I Mishakhti](https://appshunter.io/developer/1536472625) |

## What reviewers say

### UMM

[App page](https://appshunter.io/ios/app/umm/id1336062702)

Manage your active subscriptions for your set-top box, recharge your account, and extend your contract using purchased coupons. Find nearby resellers and access additional features like region changes after registration.

**Highlights:** View active subscription status, Recharge and extend contracts, Enter purchased coupons, Find nearest reseller shops, Change region settings, Access video tutorials

**Features:** macOS Compatibility

**In-app purchases:** none


### DHK Concret Calculator

[App page](https://appshunter.io/ios/app/dhk-concret-calculator/id6755732604)

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

**In-app purchases:** none


## Frequently asked questions

### Is UMM free?

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

### Is DHK Concret Calculator free?

DHK Concret Calculator is free to download, with no in-app purchases.

### Do UMM or DHK Concret Calculator have ads?

Neither UMM nor DHK Concret Calculator shows ads.

### Which is updated more often, UMM or DHK Concret Calculator?

UMM ships an update every 9 months, and DHK Concret Calculator every 6 weeks. Most recently, UMM was updated on October 21, 2026 and DHK Concret Calculator on October 28, 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.*