Comparison

Shadow SISB vs CallApp

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

Head to head

Caller ID & Spam Call Blocker

Free

🔧 Utilities

★ 4.6791 ratingsView app →

About

Shadow SISB

Features

Read full description

Shadow es la plataforma avanzada de seguridad personal y vecinal diseñada para ofrecerte tranquilidad y respuesta inmediata ante cualquier emergencia. Con un enfoque en la precisión y la rapidez, Shadow conecta a los usuarios para crear una red de protección activa. Funciones Principales: Alerta de Pánico Multimodal: Activa alertas instantáneas para SOS, sospechosos, violencia de género, desastres naturales y más. Cada alerta envía una notificación push de alta prioridad a todos los usuarios de tu red. Ubicación en Tiempo Real: Al recibir una alerta, Shadow despliega un mapa interactivo que muestra la ubicación exacta de la persona en emergencia. El rastreo se actualiza en tiempo real, permitiendo una asistencia precisa. Chat Integral Interno: Mantente comunicado durante y después de una emergencia. Nuestro chat integrado permite coordinar acciones, compartir información relevante y mantener a la comunidad informada sin salir de la app. Personalización de Sonidos: Reconoce el tipo de emergencia sin mirar el teléfono. Configura sonidos específicos para cada tipo de alarma (policía, ambulancia, alerta silenciosa), asegurando que siempre sepas qué está sucediendo. Navegación Directa: Conéctate con servicios de mapas para obtener rutas inmediatas hacia el origen de la alerta, optimizando cada segundo en situaciones críticas.

About

CallApp

Identify unknown callers and block unwanted calls with an advanced caller ID. Access a global database of billions of numbers to know who is calling before you answer. Protect your privacy and security with this powerful call management tool.

Highlights

Advanced caller ID
Identify unknown numbers
Block spam calls
Global number database
Privacy and security focused
Unwanted call protection

Read full description

CallApp is the most advanced caller ID for iPhone with over 8 billion numbers identified worldwide! Tired of unknown numbers? Get the ultimate Caller ID experience and never wonder "Who is calling me?" again! # Caller ID - Know Who’s Calling Before You Pick Up# •Instantly identify unknown numbers with advanced Caller ID. •7+ billion phone numbers in our global database. •Stop spam calls before they even reach you! # Privacy & Security First# •We do not share your data with any third parties. •Fully compliant with Apple’s privacy standards. •Upgrade your iPhone’s calling experience with the most powerful Caller ID & spam protection app today! # Unwanted Call Protection# •Stay in control of your calls and avoid unwanted interruptions. • Automatically detect and filter unwanted calls before they reach you. • Take calls with confidence, knowing exactly who’s on the other end. CallApp does not sell, share data with any third party application and/or organization. Our terms of service: https://callapp.com/tos We would be happy to hear your feedback! Contact us at: support@callapp.com

Screenshots

Shadow SISB4 screens

CallApp4 screens

Verdict

The call

The clearest difference is in-app purchases: Shadow SISB at none against CallApp's 13. Shadow SISB also leads on ads (none vs shown) and device support (3 vs 1). CallApp's advantage is update cadence (fortnightly vs every 6 months). On price 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. CallApp sells 8 in-app purchases, starting at $6.99 per month. Shadow SISB asks for nothing beyond the download.

UpkeepUpdate frequency

Shadow SISB ships an update every 6 months, CallApp fortnightly. The most recent releases landed on October 4, 2026 and October 13, 2026 respectively.

Scorecard5 real differences · 5 level

Shadow SISB versus CallApp: the parameters behind the verdict, then further details
Parameter	Shadow SISB	CallApp
Price	Free	Free
Rating	—	4.6 (791 ratings) — better
Positive reviews	—	52.6% of reviews
Number of ratings	—	791 — better
Update frequency	Every 6 months	Fortnightly — better
Ads	No — better	Yes
In-app purchases	No — better	Yes
Monetization	—	Free with in-app purchases
Devices	iPhone, iPad, iPod — better	iPhone
Requires iOS	13.0 — better	18.2
Further details — not scored
Size	28 MB	251 MB
Age rating	4+	4+
Developer	Shadow alarma	CallApp

In-app purchases

None

Shadow SISB

No in-app purchases

8 purchases

CallApp

Subscriptions8

Monthly3 Days trial$6.991 Month
Monthly4 variants$9.991 Month
Monthly3 Days trial$9.991 Month

Show 5 more

Yearly2 variants$29.991 Year
Yearly3 Days trial$29.991 Year
Yearly$39.991 Year
Yearly3 Days trial$39.991 Year
Yearly2 variants$59.991 Year

Questions

Is Shadow SISB free?

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

Is CallApp free?

CallApp is free to download, with in-app purchases available.

Do Shadow SISB or CallApp have ads?

CallApp shows ads; Shadow SISB does not.

Which is updated more often, Shadow SISB or CallApp?

Shadow SISB ships an update every 6 months, and CallApp fortnightly. Most recently, Shadow SISB was updated on October 4, 2026 and CallApp on October 13, 2026.