# OPPS Off vs Danube One

The clearest difference is update cadence: OPPS Off at every 5 days against Danube One's every 2 weeks. 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.

OPPS Off ships an update every 5 days, Danube One every 2 weeks. The most recent releases landed on September 26, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | OPPS Off | Danube One |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Size | 44 MB | 62 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Mohamed Swaghi](https://appshunter.io/developer/1741166022) | [DANUBE BUILDING MATERIALS FZCO](https://appshunter.io/developer/1489684917) |

## What reviewers say

### OPPS Off

[App page](https://appshunter.io/ios/app/opps-off-plan-projects-uae/id6563139025)

**In-app purchases:** none


### Danube One

[App page](https://appshunter.io/ios/app/danube-one/id6747100528)

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

**In-app purchases:** none


## Frequently asked questions

### Is OPPS Off free?

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

### Is Danube One free?

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

### Do OPPS Off or Danube One have ads?

Neither OPPS Off nor Danube One shows ads.

### Which is updated more often, OPPS Off or Danube One?

OPPS Off ships an update every 5 days, and Danube One every 2 weeks. Most recently, OPPS Off was updated on September 26, 2026 and Danube One on October 10, 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.*