Comparison

Sigma Office vs Infinity Book

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

Head to head

About

Sigma Office

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Esta aplicación abre sus puertas para administrar su oficina totalmente automatizada, desde la seguridad y la vigilancia en vivo las 24/7, hasta la automatización del clima y dispositivos eléctricos que le dan a la oficina el confort que caracteriza a las unidades del Edificio Sigma Office.

About

Infinity Book

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Lleva tus apuntes al siguiente nivel, combinando nuestros cuadernos reutilizables con la tecnología de nuestra aplicación, permitiéndote escanear tus escritos con la cámara de tu móvil. Con una interfaz intuitiva, puedes configurar destinos integrados con servicios de almacenamiento en la nube como Google Drive, OneDrive, iCloud, y otros. Una vez escaneados, los archivos se pueden guardar o enviar en varios formatos como JPEG, PDF, Word y Excel. La avanzada tecnología OCR (Reconocimiento Óptico de Caracteres) permite extraer texto de las imágenes, facilitando la búsqueda de documentos por su contenido.

Screenshots

Sigma Office4 screens

Infinity Book4 screens

Verdict

The call

Sigma Office and Infinity Book are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Sigma Office ships an update every 3 weeks, Infinity Book monthly. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

ScorecardNo meaningful differences

Sigma Office versus Infinity Book: the parameters behind the verdict, then further details
Parameter	Sigma Office	Infinity Book
Price	Free	Free
Update frequency	Every 3 weeks — better	Monthly
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	15.0	14.0 — better
Further details — not scored
Size	81 MB	144 MB
Age rating	4+	4+
Developer	Joaquin Guevara	Elfinbook SRL

In-app purchases

None

Sigma Office

No in-app purchases

None

Infinity Book

No in-app purchases

Questions

Is Sigma Office free?

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

Is Infinity Book free?

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

Do Sigma Office or Infinity Book have ads?

Neither Sigma Office nor Infinity Book shows ads.

Which is updated more often, Sigma Office or Infinity Book?

Sigma Office ships an update every 3 weeks, and Infinity Book monthly. Most recently, Sigma Office was updated on October 12, 2026 and Infinity Book on October 10, 2026.