Data21 vs Q
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.
Q
This application streamlines the audit process, offering a digital, portable, and paperless solution. It automates procedures, reduces audit time, and provides a secure platform for internal audits and inspections with real-time evidence collection and automated report generation.
- Automated audit procedures
- Paperless auditing solution
- Real-time evidence collection
- Automated PDF report generation
- Secure cloud hosting
- Checklist creation and assignment
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Q-AUD is an audit management software application that eases the lengthy and vigorous audit process. It automates the audit procedure and thereby reduces the audit time. This application will facilitate Embrace a digitally equipped, portable, prompt and paperless auditing solution. Q-Aud brings with it to you a comprehensive portable platform for internal audits and organizational inspections. Say goodbye to the conventional nerve-wracking and hectic paper-based audits. With high-end technology brought to your screens with a simple & super-responsive interface, Q-Aud packs the punch to systematize and streamline all your audit processes, with utmost professionalism and security. Facilitated by a secure cloud host, Q-Aud automatically generates reports on conducted audits with web-based AI data analytics and allows auditors to propose and monitor corrective actions for the completed audits. NB: In order to login to the Q-Aud mobile application, ensure that you are registered to the application via web portal first and have the login credentials. Key features: • Checklist creation and its assignment for audits to be conducted • Delectable dashboard with detailed overview of audits • Customized Answer Templates for questions under an audit • Real-time evidence collection in any preferred format (image, video, audio and free hand drawing) • Generation of PDF reports • Back up and synchronization of audit data report and audit summary generation in a much smoother way. It lays off the usual paper work involved in the audit procedure, thus improves the efficiency of the process
Screenshots
Verdict
The clearest difference is update cadence: Data21 at every 5 days against Q's every 25 months. Q's advantage is iOS requirement (11.0 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
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 Data21 against 5.0 for Q. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Data21 ships an update every 5 days, Q every 25 months. The most recent releases landed on October 10, 2026 and September 26, 2026 respectively.
| Parameter | Data21 | Q |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Every 5 days — better | Every 25 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.4 | 11.0 — better |
| Further details — not scored | ||
| Size | 34 MB | 57 MB |
| Age rating | 17+ | 4+ |
| Developer | Alexandre Alves da Costa | ThinkPalm Technologies Pvt. Ltd. |
Customer experience
Data21
Q
In-app purchases
Data21
No in-app purchases
Q
No in-app purchases









