Search engine optimization for the AppStore and Google Play or ASO

Search engine optimization for the AppStore and Google Play — is a complex of measures to improve the visibility of mobile apps in search results AppStore and Google Play Market. Abbreviated called ASO — Appstore Search Optimization.

In ASO there are factors that are beyond your control and factors that you can control, test, and improve. You can't really control the audience or positive feedback if you are using unethical methods and purchase reviews, but you can control factors of the context of your application. Under the context factor mean the content that is displayed on the application page. This content plays a major role in improving your position in the ranking.

Some of the factors that we are going to optimize:
• Name
• Keywords
• Description

For a better understanding of what it means ASO, let's compare it with SEO optimization (Search Engine Optimization). A simplified comparison between SEO and ASO will help you understand it better.

Application name = title tag.
The name of the publisher = h1 tag.
Field keyword = normal text.

External factors SEO usual links, mainly because links are "guarantors" support from other developers into your website. In the world of applications, these votes of confidence are ratings, reviews and downloads.
How the ranking algorithms in Google Play and AppStore?

Formula ranking in Google Play


The ranking formula in Google Play, you can roughly imagine this: temporary relevance * t + the frequency of keywords in the title * u + keyword frequency in the description * v + ratings * w + total score * x + active installs in percent * y + black optimization * z.

Temporal relevance can be understood on the basis of how Google works today.

Total score. To understand what is meant by "total score", you can quote the Google Play agreement on the distribution of software products: "the implementation of the Products. The market will allow users to rate Products. Only users who have downloaded the appropriate Product will be able to evaluate it. The Product rating will be used to determine its placement on the Market. Products that have a higher rating are provided with the best accommodation, under the condition that Google can change the location at its own discretion.

Market may also assign you the total score for any product that has not received user ratings.
A Developer composite score will be information on the quality of the product, which is based on history and will be determined at the discretion of Google. For new developers without product history, Google may use or publish performance measurements such as uninstall and / or refund to identify or remove products that do not fit the standards defined by Google. Google reserves the right to display products to consumers in a way that will be determined by Google at the discretion of".

Probably black or optimization secret sauce is one of the realities of any SEO, ASO or game ranking: an undetermined factor.

Formula ranking in the App Store


The ranking formula in the App Store you can just about imagine this: temporary relevance * t + keyword the title * v + keywords * v + ratings * w + downloads * x + active installs in per cent * y + Apple Love * z.

The description does not affect the algorithm of the App Store, as it happens in Google Play.

The difference between downloads and active installations. Downloads are always higher than active installs. Many users can download the app, but don't use it or delete it later. Active setup play a more active role than many companies expect.

On the Apple Love, unfortunately we can not affect in any we can.

For better ranking "app Page" needs to be optimized:
• The name of the application
• Key words application
• A description of the application
• Application icon
• Screen shots
• The rating of the application
• Feedback about the app
• Screenshots

application Name


App name plays an important role in ranking, but more importantly than the rating of your application. The name plays a huge role in the branding and success. When you think of the name of the application you want to create a catchy title that includes what the app does. If the name also includes the relevant keywords, which could help with ASO, then that's even better.

You have 25 characters and no more than 55 characters in Google Play for your app name.

In the App Store it can be up to 255 characters. Product page App Store will be better to display 70 characters or less and search results the App Store on iPhone it would be better to display 35 characters or less.

The app name carries a lot of weight when it comes to searches ASO Google and App Store. Keywords in the app title are grouped with those that tag for keywords. This means that you do not need to have the same keywords in the app name as the keyword represented by the tag.

Keywords


In the App Store the relevancy of keywords can be applied to:
— The application name;
— Vendor name;
Himself a field with keywords.

In Android the relevancy of keywords can be applied to:
— The application name;
— Vendor name;
— Description;
— And comments.

So, the key words have a stronger impact in Google Play compared to App Store.

Description


Your app's description must be written in clear English and should have a big impact in the first two sentences. The ideal format for a paragraph or two, followed by followed by five or six bulleted features. Describe what your app does in the first 2 lines, mainly to prevent users from having to scroll and click "read More" to learn about your app in the App Store.

Avoid big boring blocks of content. Try to go directly to important features of your app and focus on how easy and fun to use.

To optimize the description in the App Store, don't forget to check on the appropriate line breaks. Each line can be 120 characters followed by a carriage return. Check the number of characters will help to control the format of the text. You have only 3 lines, i.e. 360 characters to display a description on one screen.

Maximum length 120 characters before word wrapping. In three lines. In some cases works better 1 description line, second space, third description. One line in an iPhone to word wrap (only in vertical orientation) is 45 character. A maximum of 17-18 lines before the user will see screenshots. In the iPad (in landscape orientation) — 75 characters, 4-4,5 lines to the screenshots.

For Google Play it is important to describe your application in a brief description. The short description is limited to 80 characters, although when pressed will display "Full description".

In a bulleted list, do not hyphenate words if they do not exceed 45 characters per line. Thanks to Unicode, they look clear. Attention is given on lines 17 and 18 in the app description. They are final before the user will scroll down to see screenshots.

The description for the App Store may be less ASO targeted and more focused on attracting users good content. On the other hand, the description in Google Play can be written in the form of ASO. This means that the Google algorithm gives more relevance to the key word compared to the App store.

You have 4000 characters to come up with a good description which must include keyword-rich sentences and, hopefully, powerful copywriting that users have downloaded your app.

Icon


Along with the name of your app icon will be exactly what makes the first impression on users. Descriptive and aesthetically appealing icon can greatly increase your visibility in the App Store. In fact, it is the icon, not the description leads many users to download the application. The application icon should be crisp, clear and modern, forcing us to inspire people to click. Application icon with the words, usually attracts less attention than an icon without words.

Screenshots


Here are some tips, which should adhere to when working with this section:

— Use as many screenshots as possible. Google allows you to insert 8 screenshots, while the App Store — 5;
-The first screenshot that you are using on the app page in the store should reflect what your app and what makes it special;
— If your app is available in different languages, upload screenshots for each language. This is especially correct if you sell the app outside of your country;
— On the iPhone you can upload screenshots 640х960. A good idea is to use four 160х240 screenshot with a description of each.

Graphics for Google Play in the future. The field Graphics will now display at the top of the details of the application in the Play Store. It is a powerful tool to show your creative assets and attract users. Image requirements and tips display available under Feature Graphic — Graphic assets, screenshots, & video article.
For applications that use a promo video, a Play button overlaid on the Graphic Feature to which users can click to start the video. If you are provided a promotional video will display only the Graph.

Reviews and ratings


The higher your rating, the more likely that new users can download the app and share feedback.

It is not only the easiest way to write a review and rate your app.

The above is a brief synopsis of information collected during the optimization of mobile applications in the search results in App Store and Google Play. I would be glad if someone useful while working with the ASO.
Article based on information from habrahabr.ru

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