Data21 vs Profitmark trademark assistant
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Anonymous data collection
- Product feedback gathering
- Business insights
- Investment data support
- Sales improvement data
- Purchasing optimization data
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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.
Profitmark trademark assistant
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Profitmark – the automated solution for trademark search and application. Complete your trademark application in just 3 minutes! An app that effectively replaces a patent attorney, or more precisely, brings one into your smartphone. What’s special about this app? - Automated Trademark Reports: Receive comprehensive reports on trademark checks instantly. - Quick Online Application: Submit your trademark application online in just 3 minutes. - Infringement Monitoring: Stay informed about any potential trademark infringements. - Process Control: Keep track of the registration process and all important deadlines. - Extensive Jurisdiction Coverage: Access trademark databases from over 40 jurisdictions. - Domain Name Registration: Register domain names in 120 domain zones effortlessly. Profitmark is your reliable assistant in trademark protection. Download now and streamline your trademark registration process!
Screenshots
Verdict
The clearest difference is update cadence: Data21 at every 5 days against Profitmark trademark assistant's every 2 months. Profitmark trademark assistant's advantage is iOS requirement (15.6 vs 26.4). On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Data21 ships an update every 5 days, Profitmark trademark assistant every 2 months. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.
| Parameter | Data21 | Profitmark trademark assistant |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.4 | 15.6 — better |
| Further details — not scored | ||
| Size | 34 MB | 94 MB |
| Age rating | 17+ | 4+ |
| Developer | Alexandre Alves da Costa | Profitmark LLC |
In-app purchases
Data21
No in-app purchases
Profitmark trademark assistant
No in-app purchases
Questions
Is Data21 free?
Is Profitmark trademark assistant free?
Do Data21 or Profitmark trademark assistant have ads?
Which is updated more often, Data21 or Profitmark trademark assistant?
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