# RedbackWMS vs DNV Safety Inspections

The clearest difference is iOS requirement: RedbackWMS at 13.1 against DNV Safety Inspections's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

RedbackWMS ships an update every 6 weeks, DNV Safety Inspections every 4 weeks. The most recent releases landed on October 6, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | RedbackWMS | DNV Safety Inspections |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 weeks** |
| Size | 41 MB | 38 MB |
| Requires iOS | **13.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nicolas Grondin](https://appshunter.io/developer/1530173241) | [Maxd'Oro B.V.](https://appshunter.io/developer/380657828) |

## What reviewers say

### RedbackWMS

[App page](https://appshunter.io/ios/app/redbackwms/id1530173239)

**Features:** macOS Compatibility

**In-app purchases:** none


### DNV Safety Inspections

[App page](https://appshunter.io/ios/app/dnv-safety-inspections/id1590493949)

**In-app purchases:** none


## Frequently asked questions

### Is RedbackWMS free?

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

### Is DNV Safety Inspections free?

DNV Safety Inspections is free to download, with no in-app purchases.

### Do RedbackWMS or DNV Safety Inspections have ads?

Neither RedbackWMS nor DNV Safety Inspections shows ads.

### Which is updated more often, RedbackWMS or DNV Safety Inspections?

RedbackWMS ships an update every 6 weeks, and DNV Safety Inspections every 4 weeks. Most recently, RedbackWMS was updated on October 6, 2026 and DNV Safety Inspections on October 21, 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.*