# Blue World Data vs DMARCFlow

The clearest difference is iOS requirement: Blue World Data at 15.1 against DMARCFlow's 18.6. 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.

Blue World Data ships an update every 6 weeks, DMARCFlow monthly. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Blue World Data | DMARCFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Size | 26 MB | 9 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Blue World Realty, LC](https://appshunter.io/developer/1874618323) | [Ucar Solutions UG (haftungsbeschränkt)](https://appshunter.io/developer/1817033591) |

## What reviewers say

### Blue World Data

[App page](https://appshunter.io/ios/app/blue-world-data/id6758728159)

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

**In-app purchases:** none


### DMARCFlow

[App page](https://appshunter.io/ios/app/dmarcflow/id6759402400)

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

**In-app purchases:** none


## Frequently asked questions

### Is Blue World Data free?

Blue World Data is free to download, with no in-app purchases.

### Is DMARCFlow free?

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

### Do Blue World Data or DMARCFlow have ads?

Neither Blue World Data nor DMARCFlow shows ads.

### Which is updated more often, Blue World Data or DMARCFlow?

Blue World Data ships an update every 6 weeks, and DMARCFlow monthly. Most recently, Blue World Data was updated on October 31, 2026 and DMARCFlow on November 5, 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.*