Yuka app

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Analizamos la aplicación Yuka

Vídeo review

  • Product display (continued)
  • Record
  • Comparative
  • Graphics display
  • Product scan screen
  • Help menu
  • Olive oil analysis
  • Anti-dandruff lotion composition
  • Yuka record tab
  • Product screen with favorite selection
  • Product analysis
  • Yuka login screen
  • Yuka screen iphone
  • Favorite tab in iphone

What is it about:

October 2020

We have included an analysis of this application as it can provide 2 very interesting functions even in combination. On the one hand, it allows us to identify which are the most suitable products to lead a healthier life. On the other hand, it has an immense base of registered food and cosmetic products that allow a person with vision difficulties to be able to recognize a product in the supermarket or at home by focusing its barcode with the mobile camera.

Yuka is a Smartphone application that scans food and cosmetic products and offers information on their composition and evaluates their effects on health.

For this, a very simple color code is used that indicates the effects that each product has on health: excellent, good, mediocre or bad. It is the possible to access a detailed file to understand part of the products in detail.

The app has up to 700.000 food products and each product is evaluated according to 3 objective criteria: nutritional quality, presence of additives and the ecological nature of the product.

It also has 300.000 cosmetic products. The evaluation method is based on the analysis of all the ingredients of the product. Each ingredient is assigned a risk level based on available scientific knowledge.

For products with a negative evaluation, Yuka recommends healthier similar product alternatives with complete independence.

The creators assure that Yuka is a 100% independent application. This means that product evaluations and recommendations are completely objective: no brand or manufacturer can influence them. Also, the application has no advertisements.

Forms of acquisition:

The app is free to use and is available at the following links from the Google Play and Apple Store stores:


In addition, the application has the possibility of paying subscription through a fee of 15 euros/year as a Premium member that allows some additional functionalities.


The application has some support options within it. In addition, it has a contact form that you can access at the following link:


Technical verification:

October 2020

Yuka is an application that allows you to scan both food and cosmetic products and obtain their assessment, composition and alternative product when it is necessary.


The application has 6 functionalities: record, alternatives, synthesis, filter, configuration and scanner.

  • Android, the first 5 are in a horizontal menu at the top of the screen. The scanner functionality is found in a button at the down and right of the screen.

Funcionalidades de Yuka en Android

  • IOS, all the functionalities are in a menu at the down of the screen, with the exception of the configuration button, which can be accessed from an information button (represented by an i), which is located in the top and right of the screen. It should be noted that in IOS, in addition to an icon for each tab, the meaning of each button on the main menu is also written.

Posición funcionalidades de Yuka en iphone

-Record. In this section, the products that have been scanned will be shown, allowing you to see the assessment obtained and when it was scanned. It is possible to access the product from the record to see the composition, the risk of each ingredient and the alternatives offered by the application to the product.

Historial de productos en Yuka

-Alternatives. In this tab Yuka offers you alternative products for the scanned products whose evaluation in not excellent.

Alternativas de la aplicación Yuka

-Synthesis. You can see the proportion of excellent, good, bad and mediocre products that has been analyzed. This analysis can be observed on the one hand, for food products and on the other hand, for cosmetic products without more tha selecting what you want to see.

Estadísticas productos analizados Yuka

-Filter. To access this menu to be able to search for products without scanning it is necessary to be a premium member.

-Setting. From this tab you can access:

  • Favorites: Find the products that are marked with the star as favorites. In IOS the favorites tab is outside this menu, being on the left and top of the screen.

               Botón de favoritos en Yuka en Android                 Pestaña de favoritos en Yuka en Iphone

  • Account: It allows you to access the account data (name, email and password) and modify them. In addition, you can become a premium member and close the session from this tab.
  • Any problem ?: It offers you general problems such as "the scanner does not work" and a possible solution to fix it.

Pestaña de ayuda en Yuka

  • Premium member: It shows you additional options that are obtained when becoming a premium member and allows you to register as a premium member for 15 euros/year.

-Scanner button. From this button the product to be scanned and the application shows the valuation data, composition, etc. With the multimedia sound activated and the bell button activated, a beep can be heard when the application has finished scanning the product.

Escaneo de un producto con Yuka

When the product appears on the screen, you can upload the tab and obtain the composition, the risk of the differente components of the product and the alternatives for the analyzed product. In addition, in the right area of each ingredient or element that makes up the product, you can see the reasons why it has been rated as limited, moderate risk, etc. Finally, you can make the product a favorite (with the star button/favorite button) if you want to save in the favorites tab and you can share the product on other platforms such as whatsapp, gamil, etc. From the 3 points tab (Android) or form the share button (IOS), which also indicates the method used to rate the product and if there is a problem with it, such as incorrect information unadapted alternatives, etc.

Análisis galletas de cereales con vitaminas en Yuka


Tests performed

In order to analyze and evaluate the application, a series of tests have been carried out to verify its operation. Testing was performed on a Samsung Galaxy S8 device (Android 8.0.0) with version 3.33 and an Iphone 6S (IOS 13.4.1) with version 3.32..

Funcionality tests

In order to use the application on both devices, it has been necessary to install it through the respective application stores of each operating system.

Once the application is installed, when you start it for the first time, the application indicates thet it is necessary to register with an email in order to use it. It can also be accessed through Facebook.

Pantalla de inicio de sesión en Yuka

When entering the account to be used, it is also necessary to provide a name and password (with at least 6 characters) for that account. Once this data has been completed, the application shows you the scan button to start. Yuka will need to be given permission to take photos and record so she can use the camera and scan the barcodes.

Usuability tests

These tests are intended to measure the possibilities of the application to be understood by the user. In this case, scan the products to get a rating.

The application is quite easy to use, since it has a simple interface. It consists of a main menu at the top and a sacn button at the down right. The main menu buttons are easy to recognize, which means that it can be used by user profiles of different ages. Being simple to use, if the application is uninstalled at some point, the simplicity of the interface makes it very easy to remember how it works.

Versus effectiveness, having a very large database, most of the products that are scanned are registered, being able to obtain their evaluation and their alternative if it is necessary. As previously registered, the application is simple to use, so it can be said that the product has high efficiency in terms of scanning and obtaining product evaluations and alternatives.

Regarding portability, Yuka works on any type of Smartphone, both Android and IOS.

Taking into account this analysis, it can be said that the product has very good usability with respect to the objective mentioned above.

Accesibility tests

In this section, different criteria have been applied to assess whether the application can be used regardless of the capabilities of the user.

Cognitive accessibility - When having the accessibility functions of the phone active, a description of the icons of the application menu appears, which facilitates their understanding. The scan button does not have this description, although due to its image it can be easily identified. The size of the buttons can be temporarily enlarged thanks to the zoom function available in the accessibility settings of the phone.

Accessibility for people with reduced vision - The application does not present a settings section where the theme can be changed. The font size cannot be changed, so depending on the screen size of the device being used, it is possible that the words may be difficult to read. However, with the accessibility functions that different devices usually offer, it is possible to zoom the screen and/or increase the size of the reading in general, which would make it increase in the application. To complete this section, some tests have been carried out with the screen reader systems available to Android and IOS devices. These tests have focused on checking the correct labeling of the icons and buttons that Yuka has. When activating TalkBack for Android and Voice Ovcer for IOS, it is found that some buttons, such as the flashlight button, are not well identified.

Accessibility for people with hearing difficulties - People with hearing difficulties can use the application without having any problem, since there is no content in the form of video or audio.

Reliability tests

These tests are intended to verify if the application has errors that do not allow it to perform its functions.

During the days that the application was tested, no notable or critical failure was detected in its operation.

Privacy and security

Regarding privacy and security of the application, the required data are email and username. There is no privacy policy that needs to be accepted, although it is necessary to grant the application permission to use the camera in order to scan items.


The application works correctly, no critical failure has been detected that has impaired its operation. Compared to the use that can be given to this application, its use can help to lead a more adequate diet and to better select the products that are used, both food and cosmetics.

The main positive points of the application are its simplicity of use and its extensive database. The first makes it easy to use, and can be used by profiles of different ages. The second point, since all or almost all the products within our reach are registered, makes the use of the application effective and not stop being used.

One of its points to improve is to correct the application buttons that are not well labeled, both for Android (TalkBack) and for IOS (Voice Over), to provide greater accessibility to the application.

Note that in the free version it is necessary to scan the products for which you want to know their assessment, however the Premium version offers to search for any product without having to scan it.

Finally, to be able to use this application in its free version, it is necessary to have an internet connection, either via WiFi or mobile data. In the Premium version, the offline mode is offered to be able to scan the products.


  • It has a very intense database.
  • It has very good identification of the code.
  • It shows the harmful elements and their risk, making a fairly detailed assessment.

Improvement points

  • Not all information is accurate.
  • Regarding accessibility, both with TalkBack and Voice Over, there are buttons that are not well identified in the application.
  • When a product that is not registered is scanned, the user must enter the data, take photos about product, the ingredients and the nutritional value, this process may not be validated if the application detects that the quality of the photo is not good. This situation may cause the product not to be added.
  • Design and manufacturing: 4 sobre 5(4/5)
    Refers to the physical aspects and details of the manufacturing of the technological product
  • User Experience: 4 sobre 5(4/5)
    This criterion is linked to the user's assessment of the product or application
  • Technical features: 4 sobre 5(4/5)
    Description of the quality of the technical specifications of the technological solution
  • Accessibility: 3 sobre 5(3/5)
    It is the degree to which people can use or access a product, technological solution or service, regardless of their technical, cognitive or physical capabilities

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