Our clients often come with an idea for a video game but when it comes to technical details and especially choosing an engine, they’re faced with quite a challenge. They either have to dive deeply into the game development specifics and do a lot of their own research or rely entirely on their game development specialists. We’ve decided to give an extensive answer to one of the most asked questions by our clients – which engine to choose for your video game: Unity or Unreal.

In fact, these are 2 most popular game engines with wide functionality and great features. There’s a variety of world-famous games built with Unity like Pokemon Go, Angry Birds Epic, Assassin’s Creed: Identity, Battlestar Galactica Online, Kerbal Space Program, Wasteland 2 etc. The popular games powered by Unreal include Mortal Kombat X, Batman: Arkham City, BioShock Infinite, Enslaved: Odyssey to the West, Gears of War 3, Mass Effect 2 etc.

So you can see that it’s possible to create virtually anything either with Unity or Unreal and you can’t say for sure that one engine is better than the other. The thing is each of them has its pros and cons and the choice should be made only after you have clear answers to the following questions:

What kind of game do you want to create: mobile, web or console; multiplayer, 2D or 3D etc.?
Which platforms do you want to launch it on?
How much time can you spend on game development?
How are you going to make money on your game?
How important are graphical capabilities of an engine for you?
We work both with Unity and Unreal and can’t really single out one engine as our favourite, so we’ll try to be as objective in this analysis as possible. Now let’s consider the benefits and drawbacks of each of them to make your choice easier.

Unity Game Engine
Unity Games
Games built with Unity

Pros
It has much better cross-platform integration. It enables you to deploy your game across all major mobile, VR, desktop, console, and TV platforms plus the Web. The supported platforms include Android, iOS, Windows Phone, Tizen, PC, Mac, Linux, PS4, Xbox One, PlayStation Mobile, PlayStation Vita, Wii U, tvOS, Android Tv, and Samsung Smart TV. Native support is available for major VR platforms including Oculus Rift, Gear VR, Playstation VR, Microsoft HoloLens and Steam VR/Vive.
Unity is the best fit for creating mobile games as, overall, it’s easier to build them with this engine. In general, it’s more logical and convenient to develop simple games with Unity.
It is better and faster for developing mobile VR, e.g. for Cardboard.
It has a huge asset store and many plugins, which gives you more access to diverse game monetization infrastructure like mobile ad networks, ad videos, etc.
Unity is written in C# which is not so difficult as C++ used in Unreal, so the development process is easier and faster with this engine.
The engine architecture is simpler to understand and work with, the launch process is less complicated.
It’s more popular. Most of our clients request Unity, as it’s a more widely-used engine.
Unity has a bigger community which is really active in forums, so if developers have some questions, there are many specialists out there to help them.
It’s easier to find qualified Unity developers due to the size of the community. It is especially important in force majeure situations such as when a key specialist quits in the middle of a project.
Although as a client you don’t need to worry about licences because your developers are bound to have them, it’s worth mentioning that Unity has a completely free version. What’s even more important, you don’t have to pay any royalties when your game starts making money.
Cons
In terms of graphics, Unity can’t offer the possibilities and the quality of Unreal.
Unity gives away the source code only under specific conditions and, anyway, you have to pay for it.
Rendering is slower. For instance, it takes much more time to render lighting. On one of our projects, we had to wait for 2 weeks to have all lighting processed by Unity engine. And imagine that you need to make some changes – you’ll have to do it all over again.
Unreal Engine
Unreal games
Games built with Unreal

Pros
Unreal is great for high-tech triple-A games with big budgets where you need to achieve the ultimate quality. So in terms of graphics it really takes the lead. For example, we’ve picked Unreal for one our recent VR projects because the client’s main request was to make this demo presentation as realistic as possible.
It has great blueprints which work like building blocks so even artists without any programming knowledge can use the engine to assemble and adjust basic things. Also, this feature is really great for prototyping. Yet for completing serious tasks, you can’t do without at least some programming in C++.
Unreal is open-source which is a great advantage because it makes development easier and more efficient.
Rendering technology is one of the biggest benefits of this game engine. Post processing is really fast and there is support for many features.
Concerning virtual reality, both engines have good VR integration. However, we mostly use Unreal for VR projects to achieve the best quality picture. So we’d advise to go for this engine when working with Gear VR, Oculus, and HTC VIVE.
Another selling point for Unreal is its performance as it uses less memory and resources.
It has available instruments for many cases and needs, which Unity lacks. For instance, Unity is limited to a set of standard shaders and Unreal has visual editors for them. With Unity, you’ll have to write the same things in code.
It has great instruments set for game optimisation.
The engine has better access to visual debugging, you can easily test what, when and how is being drawn, you can control the whole process and monitor how much time is spent on a certain element.
Cons
Concerning the licensing model, once you’ve begun making money on your product, you’ll need to track gross revenue and pay a 5% royalty on that amount after the first $3000 per game per calendar quarter.
Unreal has a simpler and smaller asset store because they choose the submitted assets more carefully. The asset you’ll upload to the Unity store might not be accepted to the Unreal store.
It’s not the best tool for small games. There’s no point in making small games with this game engine. Usually, if our clients go for Unreal, we’re talking about some big project with big budget. Typically, such projects have longer estimates and, as a result, cost more.
There aren’t so many Unreal experts because the engine is usually chosen by very specialized teams.
We hope this list will be helpful in weighing up the pros and cons of each game engine and choosing the right tool for your project. Both Unity and Unreal offer great possibilities, and you can build great things with them. You might of course follow the advice of your developers, but if you keep in mind the needs of your business and have a clear picture of what you want to achieve in your particular game, this choice will be much easier.
Valentinsedl 7 october 2018, 16:17

WhatsApp: its role and history

WhatsApp was founded by Jan Koum and Brian Acton in 2009. At the end of the year, it was launched on the App Store for iPhone with no alternatives in the world at the time.
This application, referred to as an instant messenger, was intended to give users an opportunity to exchange messages in real time using mobile Internet or WiFi. Today WhatsApp is available for all popular mobile operating systems.

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This is what makes it so popular expansion. This application is available everywhere, from non-smartphones to cutting-edge devices. That is why your intention to build app like WhatsApp is quite reasonable.

What can WhatsApp do?
On the whole, you can do the following with the help of WhatsApp:
    send photos;
    send audio files;
    exchange geodata. A very handy feature for those who like traveling;
    send contact data
;
    send voice messages.

WhatsApp has a rich functionality, flexible system of settings adjustment, simple and user-friendly interface, high performance. That is why WhatsApp became one of the most popular messengers in the world and many entrepreneurs want to know how to create a chat application like WhatsApp.

Many business people consider WhatsApp as a good example to start their new business. So, to create an app like WhatsApp they need to plan their budget and estimate possible expenditures so they need to know how much it will cost to create an app like WhatsApp.
How to create a chat application like WhatsApp in 6 steps
Step #1. Choose a proper business model to keep up with;
Step #2. Find experienced developers;
Step #3. Consider team's location;
Step #4. Build the app architecture;
Step #5. Add MVP features to build the basic app;
Step #6. Build a great design.
cleveroad 14 september 2018, 15:36

If you are new to this field, you may need the right web development services because, without the right experience, you will not be able to build your site successfully and efficiently.
waynsmith 14 september 2018, 14:13

Reputable web development services can save you time and resources. Any site indexed by search engines using white-hat SEO tactics will produce quick changes for your business. By appropriate improvisation, you can expect results online in a shorter time.
waynsmith 7 september 2018, 13:10

As the popularity is growing high for Android phones, many new android application development companies are introducing and many users are buying droid phones because of the capability to produce game-changing apps and intuitive design.
saddamdaoud 28 august 2018, 13:23

Apple's App Store has more than 2.2 billion apps. Consumers spend as much as 80% more on iOS apps compared to Android ones. Such a tendency led to $38.5 billion in revenue, $26.5 billion of which was paid off to iOS developers for 2017.

However, iOS is loved by developers from all over the world not only for financial reasons. The simplicity of development and minimalistic approach which company sticks to also make a difference. There are no fragmentation problems as the lineup of Apple devices is relatively small and all of them have a unified UI.

To build an iOS app, you'll need to hire iOS app developer working with Objective-C or Swift in Xcode or any other IDE. In this guide, we also cover the vital points you need to learn before you hire iOS programmers.
iOS developer roles and responsibilities

Many fail to understand the full scope of responsibilities that lay on shoulders of iOS developers. In fact, the borders of iOS developer responsibilities go beyond writing code. They take part at every stage of app development from planning and design aspects (wireframing screens, building UI) to testing and publishing the ready-made app to the App Store. In other words, an iOS developer turns the specifications of your mobile application into a working and user-friendly product.

Design awareness is what you should pay a due attention to while looking for iOS developer candidate. The point is, the care for design isn't something that only mobile designers responsible for since developers are also in charge of transferring good experience to final users. That's why among iOS developer key skills should be an experience with both UI/UX, understand their principles, and, of course, be good at programming in Swift or other languages.
Junior, middle, and senior iOS developers
Typically, the versatility of developers depends on their working experience. Respectively, the more projects a developer has worked on, the more complex and diverse tech problems he/she can solve.

In the IT industry, the skills of programmers are divided into three levels: junior, middle, and senior.

Junior iOS developer
This is the entry level iOS developer. In companies, junior developers most commonly work alongside their more experienced colleagues to improve their knowledge and enhance skills. It usually takes a few years for junior developers to level up.

Middle iOS developer
After working on a variety of complex projects, developers move from beginners to a more advanced level that's called middle or mid level iOS developer. Here they have more independence in terms of working on projects.

Senior iOS developer
Senior iOS developer is an experienced developer that has seen tons of code and released dozens of apps. Typically, such developers not just code and design an app, but deal with testing, integration of APIs, and security matters.

Taking into account everything mentioned above, you're willing to choose whether your project requires less or more experienced iOS software engineer. The key factor here is your budget, as salaries for each level may vary dramatically. The project complexity also matters since the junior developer will barely cope well with a large project having a complicated business logic behind.
iOS developer skill set

The iOS developer technical skills largely depend on your project. However, the general skills needed for iOS developer should look something like this:
    Proficient with Swift or Objective-C programming language;
    Knowledge of Xcode IDE;
    Experience with APIs like Cocoa Touch and UIKit;
    Understanding of RESTful APIs;
    Understanding of UI and UX design standards;
    Knowledge of Apple Human Interface Guidelines;
    Experience with Metal or OpenGL;
    Advanced knowledge of code versioning tools like Git;
    Knowledge of Core Data framework.

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cleveroad 23 august 2018, 8:40

Android application development has seen a steady increase in the number of apps on the Google Play Store. Android’s huge success can be attributed to consumers who have embraced these apps in every region of the world. If the virtues of your business suggest independence, security, work, customer success, benefits, and versatility, the Android system is already dedicated to you. Finally, entrepreneurs who have never seen the need for a mobile app need to think twice before deciding.
saddamdaoud 17 august 2018, 13:41

Android and iOS application development are two different style and nature of developments; thus, require extra money and efforts to develop them separately for different devices. This problem was considered a major flaw in the mobile application development industry.
saddamdaoud 15 august 2018, 13:34

A year after writing the article about checking Tizen, developers of the PVS-Studio static analyzer checked the quality of the operating system code again, this time demonstrating the abilities of their product to detect errors and potential security vulnerabilities in the Android code.

Despite the fact that the Android code is of high quality and is well tested, and its development includes at least the use of Coverity static analyzer, PVS-Studio still managed to find a lot of interesting defects. Some errors are classified as CWE (Common Weakness Enumeration), which for a certain coincidence of circumstances can be used as vulnerability (CVE). That is why, if you want to protect your code from security vulnerabilities, you should find as many bugs as described in CWE and eliminate them.

According to developers, PVS-Studio is a tool for static application security testing (SAST) and can detect many potential vulnerabilities before they caused harm. This article describes examples of errors by the following categories:

- Pointless comparisons
- Null pointer dereference
- Private data is not cleared in memory
- Unspecified/implementation-defined behavior
- Incorrect memory control
- Array index out of bounds
- Broken loops
and so on.

Thus, 490 CWE per 1855000 lines of code have been detected or more than 1 vulnerability per 4000 lines.

Development of large complex projects is impossible without the use of programming methodologies and tools to help monitor the quality of the code. First of all, this is a literate coding standard, code reviews, unit tests, static and dynamic code analyzers. All this helps to detect defects in code at the earliest stages of development. Use additional programs and methods to control the quality of your code and make your product secure!

Source - https://www.viva64.com/en/b/0579/
Kate Milovidova 3 august 2018, 13:59

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PVS-Studio static analyzer team, which until recently was searching for bugs and potential vulnerabilities only in C, C++, and C# code, has prepared a new version of their tool for Java code as well. Despite the fact that in the Java world there is already a number of static analysis tools, developers believe that their analyzer can be powerful and will be a good competition.

One of developers wrote in his article about the way how PVS-Studio for Java was created. First of all, it was necessary to figure out the development process of a syntax tree and semantic model. As these elements are basic, static analyzer is built around them. In addition to them, the analyzer also requires data flow analysis, which enables you to calculate the possible values of variables and expressions in each point of the program and, thanks to that, find errors. Also the analyzer needs the annotation mechanism, diagnostic rules, integration, testing, and other techniques, explained in detail in the article.

Traditionally, the author gave examples of errors from different open source projects, that the Java analyzer has detected. The author also noted that in the future articles with a more detailed report on each project will be available. So far you can review errors from the Hibernate, Hive, JavaParser, Jenkins projects and several others.

Besides that, when the first alpha version of the Java analyzer is available, developers suggest participating in its testing for those who would like to. To do this, write to their support and they will contact you.

Full article - https://www.viva64.com/en/b/0572/
Kate Milovidova 21 june 2018, 14:33
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