Comparison

UK Trademark Search Tool vs Data21

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

UK Trademark Search Tool

Search for filed or registered trademarks with the UK Intellectual Property Office. This free tool is ideal for entrepreneurs, marketers, and legal professionals needing to review previous trademark records. It offers multiple search options including name, owner, and number, along with a class search engine.

Highlights
  • Search by trademark name
  • Search by trademark owner
  • Search by trademark number
  • Trademark class search engine
  • Identical and similarity search modes
  • Filter results by class number
Features
Read full description

With this App you will be able to search for all trade marks that have been filed or registered with the Intellectual Property Office of U.K. This App is perfect for start-ups, entrepreneurs, marketers, lawyers, and anyone else who often finds themselves in the need to check previous trade mark records. The App is completely free and allows to search by trade mark name, trade mark number and trade mark owner’s name. The trade mark name search support identical and similarity modes and also, if needed, you can filter results by class number. The App also has a trade mark class search engine, so you can search for the class that your product or service belongs to. U.K. Trade mark Search App Overview: - Search by Trade mark Name - Search by Trade mark Owner - Search by Trade mark Number - Trade mark Class Search Engine (Nice Classification) - Trade mark FAQs This App is of a purely informative nature with no commercial ends; it is intended to provide information about the risks that you may face using or applying for your trade mark registration in United Kingdom.

About

Data21

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
Read full description

Software Patent/INPI Register : BR 512021000013-7. In this application you can mark and collect important (anonymously) data and feedbacks about your product and business. The largest companies in the world collect data to receive bigger investments, to sell more and buy better (Nesse aplicativo você pode marcar e coletar importantes dados anônimos e feedbacks sobre o seu produto e negócio. As maiores empresas do mundo coletam dados para receber maiores investimentos, pra vender mais e comprar melhor.

Screenshots

UK Trademark Search Tool4 screens
Data214 screens

Verdict

The call

The clearest difference is update cadence: Data21 at every 5 days against UK Trademark Search Tool's fortnightly. UK 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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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

UpkeepUpdate frequency

UK Trademark Search Tool ships an update fortnightly, Data21 every 5 days. Both last shipped on November 2, 2026.

Scorecard2 real differences · 7 level
UK Trademark Search Tool versus Data21: the parameters behind the verdict, then further details
ParameterUK Trademark Search ToolData21
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyFortnightlyEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better26.4
Further details — not scored
Size3 MB34 MB
Age rating4+17+
DeveloperMarcaria.com LLCAlexandre Alves da Costa

Customer experience

UK Trademark Search Tool

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Data21

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

UK Trademark Search Tool

No in-app purchases

None

Data21

No in-app purchases

Questions

Is UK Trademark Search Tool free?
UK 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, UK Trademark Search Tool or Data21?
UK Trademark Search Tool and Data21 are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do UK Trademark Search Tool or Data21 have ads?
Neither UK Trademark Search Tool nor Data21 shows ads.
Which is updated more often, UK Trademark Search Tool or Data21?
UK Trademark Search Tool ships an update fortnightly, and Data21 every 5 days. Most recently, UK Trademark Search Tool was updated on November 2, 2026 and Data21 on November 2, 2026.

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