ARCA Audits vs Data21
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ARCA Audits
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AuditForm is a Management Information System that enables businesses to save time through the efficient building, completion and management of ‘technical’ audits online or using your phone or tablet. AuditForm is utilised to conduct audits on remote sites, track non-compliances in real-time and provide managers with vastly improved knowledge and control to enable significant reductions in operational risks. AuditForm reduces risk by immediately reporting non-compliances for action without transposition errors. It saves time in the collecting and processing of information. * To try out our app you can login with our demo account: Username: demo Password: demo Key Features: - You can write your own audit questions on the web. -Answers to your audit can be collected using Smartphones and Tablets or through the internet (using a web browser). -Audits can be collected for multiple locations and analysed across locations. - Non-compliances are highlighted and tracked alongside user commentary and closure details. - Full flexibility allowing you to define your own business structure and user permissions. - Audits are scored. More important questions can be weighted and the system also handles several degrees of compliance. - Photographs and signatures captured during the audit will be shown on the web. AuditForm is available for: Desktop, Mobile and Tablet. To see what platforms we support please visit our website. Typical Uses: - Health and Safety Audits - Environmental Audits - Quality Audits
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 weekly against ARCA Audits's every 3 months. ARCA Audits's advantage is iOS requirement (12.0 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.
ARCA Audits ships an update every 3 months, Data21 weekly. The most recent releases landed on June 1, 2026 and September 24, 2026 respectively.
| Parameter | ARCA Audits | Data21 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 26.4 |
| Further details — not scored | ||
| Size | 26 MB | 34 MB |
| Age rating | 4+ | 17+ |
| Developer | Formability Ltd | Alexandre Alves da Costa |
In-app purchases
ARCA Audits
No in-app purchases
Data21
No in-app purchases








