# EU Trademark Search Tool vs Data21

The clearest difference is update cadence: Data21 at every 5 days against EU Trademark Search Tool's fortnightly. EU Trademark Search Tool's advantage is iOS requirement (13.0 vs 26.4). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for EU Trademark Search Tool against 5.0 for Data21. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

EU Trademark Search Tool ships an update fortnightly, Data21 every 5 days. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | EU Trademark Search Tool | Data21 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/eu-trademark-search-tool/id1336940327/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/data21/id1350287433/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Free | Free |
| Size | 3 MB | 34 MB |
| Requires iOS | **13.0** | 26.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Marcaria.com LLC](https://appshunter.io/developer/1177891586) | [Alexandre Alves da Costa](https://appshunter.io/developer/1111954461) |

## What reviewers say

### EU Trademark Search Tool

[App page](https://appshunter.io/ios/app/eu-trademark-search-tool/id1336940327)

Easily search for trademarks filed or registered with the EU Intellectual Property Office. Find information by trademark name, owner, or number, and utilize a class search engine. This free tool is ideal for entrepreneurs and legal professionals.

**Highlights:** Search by trademark name, Search by trademark owner, Search by trademark number, Trademark class search engine, Filter results by class number, Trademark FAQs

**Features:** macOS Compatibility

**In-app purchases:** none


### Data21

[App page](https://appshunter.io/ios/app/data21/id1350287433)

This application allows users to anonymously mark and collect important data and feedback about their products and businesses. It's designed to help businesses gather insights for investment, sales, and purchasing decisions.

**Highlights:** Anonymous data collection, Product feedback gathering, Business insights, Investment data support, Sales improvement data, Purchasing optimization data

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

**In-app purchases:** none


## Frequently asked questions

### Is EU Trademark Search Tool free?

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

### Is Data21 free?

Data21 is free to download, with no in-app purchases.

### Which has better reviews, EU Trademark Search Tool or Data21?

EU Trademark Search Tool and Data21 are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do EU Trademark Search Tool or Data21 have ads?

Neither EU Trademark Search Tool nor Data21 shows ads.

### Which is updated more often, EU Trademark Search Tool or Data21?

EU Trademark Search Tool ships an update fortnightly, and Data21 every 5 days. Most recently, EU Trademark Search Tool was updated on October 17, 2026 and Data21 on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*