# EU vs ContactBoss

The clearest difference is update cadence: EU at every 3 weeks against ContactBoss's every 4 months. ContactBoss's advantage is iOS requirement (13.4 vs 17.0). 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.

EU ships an update every 3 weeks, ContactBoss every 4 months. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | EU | ContactBoss |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Size | 61 MB | 19 MB |
| Requires iOS | 17.0 | **13.4** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Menlo Media S.L.](https://appshunter.io/developer/1456787762) | [Contacts-DB Inc.](https://appshunter.io/developer/1571309912) |

## What reviewers say

### EU

[App page](https://appshunter.io/ios/app/eu-startups-summit/id1456787763)

**Features:** macOS Compatibility

**In-app purchases:** none


### ContactBoss

[App page](https://appshunter.io/ios/app/contactboss/id1571309910)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EU free?

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

### Is ContactBoss free?

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

### Do EU or ContactBoss have ads?

Neither EU nor ContactBoss shows ads.

### Which is updated more often, EU or ContactBoss?

EU ships an update every 3 weeks, and ContactBoss every 4 months. Most recently, EU was updated on October 12, 2026 and ContactBoss on October 15, 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.*