Comparison

SigmaAPP vs Astra

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

About

SigmaAPP

Features

Read full description

O SigmaAPP é um sistema único, inovador, revolucionário e com muita qualidade que vai de fato, mudar a gestão de segurança em condomínios. O grande atrativo do SigmaAPP é ter por trás de toda a estrutura uma consultoria especializada em segurança corporativa, que fornecerá aos usuários os seguintes "produtos": - Webinars - Suporte de treinamento focado na necessidade real de cada Condomínio; - Troca de experiência dos gerentes de segurança do aplicativo; - Dados estatísticos locais, regionais e nacionais; - Mapa do calor das tendências criminológicas e comportamento humano auxiliando na tomada de decisão.

About

Astra

Features

Read full description

Log-in para ter acesso aos seus ambientes Astra. Conecte-se a um dispositivo ao clicar nele na barra inferior da página principal do app, localize seu ambiente pela página de search(ícone da lupa) ou escaneie-o pelo qrCode na página de scan(ícone de qrCode).

Screenshots

SigmaAPP4 screens

Astra4 screens

Verdict

The call

The clearest difference is update cadence: SigmaAPP at every 2 months against Astra's every 28 months. Astra's advantage is iOS requirement (12.0 vs 15.6). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SigmaAPP ships an update every 2 months, Astra every 28 months. The most recent releases landed on October 11, 2026 and October 1, 2026 respectively.

Scorecard2 real differences · 4 level

SigmaAPP versus Astra: the parameters behind the verdict, then further details
Parameter	SigmaAPP	Astra
Price	Free	Free
Update frequency	Every 2 months — better	Every 28 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	15.6	12.0 — better
Further details — not scored
Size	62 MB	69 MB
Age rating	+4	4+
Developer	Dzigne Sistemas e Tecnologia LTDA ME	Promont Solucoes Ltds

In-app purchases

None

SigmaAPP

No in-app purchases

None

Astra

No in-app purchases

Questions

Is SigmaAPP free?

SigmaAPP is free to download, with no in-app purchases.

Is Astra free?

Astra is free to download, with no in-app purchases.

Do SigmaAPP or Astra have ads?

Neither SigmaAPP nor Astra shows ads.

Which is updated more often, SigmaAPP or Astra?

SigmaAPP ships an update every 2 months, and Astra every 28 months. Most recently, SigmaAPP was updated on October 11, 2026 and Astra on October 1, 2026.