Sigma Events vs ANAC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sigma Events
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Sigma's App for event content, schedules, surveys, and additional details.
ANAC
This organization connects nurses and healthcare professionals dedicated to HIV/AIDS care. It facilitates research, information exchange, and advocacy for policy and public awareness. The goal is to improve care, prevention, and the overall health of those affected by HIV/AIDS.
- Connects healthcare professionals in HIV/AIDS care
- Promotes research and information exchange
- Advocates for effective public policies
- Fosters social awareness on HIV/AIDS issues
- Supports prevention of HIV infection
- Global network of over 40 chapters
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The Association of Nurses in AIDS Care (ANAC) is the leading nursing organization responding to HIV/AIDS. Since its founding in 1987, ANAC has been meeting the needs of nurses and other healthcare professionals in HIV/AIDS care, research, prevention and policy. ANAC aims to promote the health and welfare of people affected by HIV/AIDS by: Creating an effective, engaged network of nurses in AIDS care Studying, researching and exchanging information, experiences and ideas leading to improved care and prevention Providing leadership to the nursing community in matters related to HIV/AIDS infection and its co-morbidities Advocating for effective public policies and quality care for people living with HIV Promoting social awareness concerning issues related to HIV/AIDS Inherent in these goals is the commitment to the prevention of HIV infection. ANAC is made up of more than 40 chapters located around the world. It comprises a dedicated group of nurses, healthcare professionals and others from around the world who are committed to HIV/AIDS nursing. These affiliate members include social workers, pharmacists, physician assistants, lawyers and doctors; i.e. anyone involved in the care and support of people with HIV and/or AIDS
Screenshots
Verdict
The clearest difference is ads: Sigma Events at none against ANAC's shown. ANAC's advantage is update cadence (every 10 days vs every 3 months). On price, in-app purchases, device support and iOS requirement 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.
Sigma Events ships an update every 3 months, ANAC every 10 days. The most recent releases landed on September 15, 2026 and September 14, 2026 respectively.
| Parameter | Sigma Events | ANAC |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (30 ratings) — better |
| Number of ratings | — | 30 — better |
| Update frequency | Every 3 months | Every 10 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 68 MB | 139 MB |
| Age rating | 17+ | 17+ |
| Developer | SIGMA THETA TAU INTERNATIONAL HONOR SOCIETY OF NURSING, INC. | Association of Nurses in AIDS |
In-app purchases
Sigma Events
No in-app purchases
ANAC
No in-app purchases
