Comparison

Book2App vs Siouks

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

Head to head
About

Book2App

Features
Read full description

Book2.app is a new app, that allows you to convert your original work in PDF format, in a Mobile App, ready to publish! You can upload any original work, in PDF format, no technical knowledge is needed, and the website will automatically convert it's content into an Mobile App. For your Apple users, Book2.app also allows you to enable the web version of the book, so your mobile users can directly consume your content from the Web and iOS users can add it to their home screen as an app (this is called, a PWA app). Apart from your PDF content, you can also add extra content to your app, to offer a more rich experience for your readers: -> Add extra pages with images, videos & text! -> Add your social media, as Instagram posts, facebook posts & page! -> Add Google Forms, to have a direct contact with your audience! Convert your original PDF To an App, for FREE, NOW!

About

Siouks

Features
Read full description

Join the collaborative work revolution with SIOUKS, the application designed to transform your work environment into a smooth, intuitive, and human-centered experience. Key Features of SIOUKS: ◉ A new era for employees: Simplify and enhance the employee experience in your company with a tool that combines innovation and humanity. ◉ A tangible digital environment: Break the barriers of digital with a solution that connects the digital world with human interaction—even while working remotely. ◉ Simplified project tracking: Enjoy clear, direct, and essential-focused reporting for more efficient project management—accessible to both managers and teams. ◉ Integrated absence management: Easily plan and manage your leave and absences, all with just one click. ◉ Stronger team cohesion: Bring your team together around a dynamic feed that fosters communication and collaboration within your company. SIOUKS, more than just a tool—it’s your daily partner. Download SIOUKS today and redefine the way you work. Whether you’re in the office or working remotely, let us guide you toward an unmatched collaborative experience!

Screenshots

Book2App4 screens
Siouks4 screens

Verdict

The call

The clearest difference is in-app purchases: Siouks at none against Book2App's 3. Siouks also leads on ads (none vs shown) and update cadence (monthly vs every 3 months). Book2App's advantage is iOS requirement (11.0 vs 13.0). On price 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. Book2App sells 3 one-off in-app purchases. Siouks asks for nothing beyond the download.

UpkeepUpdate frequency

Book2App ships an update every 3 months, Siouks monthly. The most recent releases landed on September 21, 2026 and September 17, 2026 respectively.

Scorecard4 real differences · 2 level
Book2App versus Siouks: the parameters behind the verdict, then further details
ParameterBook2AppSiouks
PriceFreeFree
Update frequencyEvery 3 monthsMonthly — better
AdsYesNo — better
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better13.0
Further details — not scored
Size22 MB15 MB
Age rating4+4+
DeveloperIpsilon Developments IncAxiv IT

In-app purchases

3 purchases

Book2App

One-time3
  • 1 Credit Recharge$1.99
  • 2 Credits Recharge$3.99
  • 10 Credits Recharge$19.99
None

Siouks

No in-app purchases

Questions

Is Book2App free?
Book2App is free to download, with in-app purchases available.
Is Siouks free?
Siouks is free to download, with no in-app purchases.
Do Book2App or Siouks have ads?
Book2App shows ads; Siouks does not.
Which is updated more often, Book2App or Siouks?
Book2App ships an update every 3 months, and Siouks monthly. Most recently, Book2App was updated on September 21, 2026 and Siouks on September 17, 2026.

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