QAudit vs Data21
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
QAudit
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Quality Assurance/Auditing data collection
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.
Screenshots
Verdict
The clearest difference is update cadence: Data21 at every 5 days against QAudit's every 3 months. QAudit's advantage is iOS requirement (15 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.
QAudit ships an update every 3 months, Data21 every 5 days. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.
| Parameter | QAudit | Data21 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15 — better | 26.4 |
| Further details — not scored | ||
| Size | 3 MB | 34 MB |
| Age rating | 4+ | 17+ |
| Developer | Abo ltd | Alexandre Alves da Costa |
In-app purchases
QAudit
No in-app purchases
Data21
No in-app purchases
