Back in Time vs Proportia

• "The coolest history textbook you’ll find on the iPad" - The New York Times • Winner of the WSA Mobile Award • Top1 iPad Book in US, UK, FR, ES, China… and 34 more Countries • Featured by The New York Times (Top10 iPad Apps of the year) • Featured by the American Photo Magazine (Top 10 Photo eBooks of the year) For iPhone/iPod touch download - Back in Time for iPhone Back in Time will take you on a stunning exploration of the history of our Universe, Earth, Life and Civilization. A journey through time where each event is documented with social and historical context, several images, an illustrative timeline and little-known interesting facts. Custom made animations bring those events to life, creating an interesting, immersive learning experience. An imaginary clock will guide you through this quest, proposing a simple analogy: the entire Universe started 24 hours ago. The Big Bang, the source of time and space, is the first event in our journey – the clock reads 0:00 hours. Today, 13.7 billion years later, the clock reads midnight. In between is a sequence of key events that has brought us to where we are today. Explore them, place them in perspective, see how they relate and understand the connections. We invite you to take a step back and see the whole picture. :::: REVIEWS :::: “...a beautifully executed lesson on the history of the universe and the evolution of life on earth. Great for high school students or parents who’d like to tutor younger children and enjoy a first-rate experience of their own...” - Bob Tedeschi, The New York Times “The iPad could use more apps like this one.” - The Daily “...the best iPad apps are those that combine coffee table-styled books with the fluid nature of the iPad’s interface. Back in Time is just that, it’s the story of the entire history of our universe made interactive on the iPad.” - Casey Chan, Gizmodo (App of the Day) “Back in Time is utterly gorgeous in its presentation. (...) The app is so easy to navigate that it is a delight to explore. Landka could scarcely have done a better job in putting everything together.” - Gwen Phua, Appmodo :::: FEATURES :::: Designed for iPad; 47 chapters; Over 350 remarkable images; 60+ amazing animations and videos; 40+ illustrated timelines; More than 200 little-known interesting facts; Music by the composer Rodrigo Leão; Developed in 7 different languages (English, Spanish, German, French, Portuguese, Japanese and Chinese); No internet connection required.

Proportia turns numbers into clear, proportional visuals—simple, elegant, and powerful. Boost numeracy, grasp ratios, and compare values effortlessly with dynamic shapes. Perfect for students, teachers, and pros. No clutter, just clarity. What is Proportia? Proportia is a straightforward visualization app that lets you compare two numerical values through dynamic, customizable shapes—circles, rectangles, or bars—that scale proportionally to reflect their ratio. With a single tap, see how one value measures up against another in a way that’s instantly clear and beautifully simple. From budgeting to teaching, Proportia makes numbers meaningful. Key Features - Dynamic Visualization: Pick circles, rectangles, or bars that resize automatically based on your values. Choose to display them touching at the center or separately centered—simple and effective. - Interactive Value Entry: A built-in calculator makes entering or tweaking values a breeze. It handles mathematical expressions with proper operator precedence for quick calculations. - Rich Customization: Customize with 8 color options per shape and independent settings for top and bottom visuals—all through a clean, simple menu. - Real-Time Feedback: Watch your changes take shape instantly as you adjust values or settings. Why Use Proportia? Proportia’s simplicity is its strength. This inexpensive app delivers a powerful visual aid without overwhelming you, making it perfect for: - Building Numeracy: Ideal for students and teachers, Proportia simplifies proportions and ratios with visuals that stick. - Everyday Comparisons: See how an expense fits into your checking account or how big Earth is compared to the Sun—made simple. - Data Visualization: Get a clear, proportional sense of sales data, performance metrics, or budgets in seconds. - Decision-Making: Compare options visually to decide with confidence, no complications needed. Elegant, User-Friendly Design Proportia’s clean, distraction-free dark theme and portrait orientation keep things simple and focused. With intuitive touch controls and a minimal interface, it’s easy to use from the moment you open it. Whether you’re a visual learner or just want a hassle-free way to understand numbers, this small app packs a big punch. Practical Examples - Education: Teachers can simplify proportion lessons with a tool students instantly get. - Finance: Visualize spending versus savings in a snap. - Science: Compare sizes like Earth to the Sun with elegant clarity. - Business: Share performance data with colleagues simply and effectively. Proportia is an elegant data visualization tool that strips away the noise and lets you see what numbers really mean. Download now and experience the beauty of simplicity in action!