Building a viral mobile application for your startup

CREATING VIRAL
MOBILE APPS FOR
YOUR STARTUP
Caleb Yang
Freelance Developer

AGENDA
TECHNOLOGY
TRENDS.
CONVERSION
STORIES
MOBILE
APPLICATION & UI
FUNCTIONALITY
OF MOBILE APP.
USER INTERFACE
OF MOBILE APP.
QUESTION AND
ANSWER

Who Am I
◦ Current Deskside Engineer at Infinite Computer Solutions
◦ Worked on different User Interface Designs and Web Applications for some startups
◦ Frontend Developer with experience in JavaScript, HTML and CSS

TECHNOLOGY TRENDS
Source: Mindinventory ©

CONVERSION STORIES
• 68 years for Airlines to reach 50
million users .
• 28 years for credit cards to reach 50
million users.
• 14 years for computers to reach 50
million users.
• 2 years for computers to reach 50
million users.
Source: Capitologix ©

CONVERSION FOR CAROUSELL
• Graph represents relationship
between items listed and items sold
Source: Tech in Asia, TechCrunch,
Business Times ©

CONVERSION FOR GRAB
• Graph represents
relationship between
items listed and
items sold
Source: Tech in Asia, ©

MOBILE APPLICATION
Advantages of mobile application design
are often increasing accessibility of how
user get access to your company’s
information and enhances your users’
engagement. It will then be easier to
convert them to customers.
Source: Wiggledigital ©

USER INTERFACE
 Visual layout of elements that users
can interact with in a screen on an
app or website.
 It can affect usability and user
experience of an application, which
can increase or decrease the
conversion rate of users accessing
the application.
 Usability testing conducted to test
intuitiveness of a user interface.
Source: Productplan ©

USER INTERFACE IN CAROUSELL
 Notifications from other users in
regards to listings.
Source: Carousell Mobile
App©

USER INTERFACE (continued)
 Differences exist between design principles in
user interface and user experience.
 UI covers more of design and layout features
while UX also focuses on user research and
scenarios.
Source: Mockplus ©

 Dark color background with icons for sharing,
settings and list view allow user to change how the
page is laid out.
 Icons used for services and navigation within
application.
 Footer with symbols and text for navigation within
application
Source: Carousell Mobile App©

 Favicons for categories
 Different listings uploaded by users
 Slider for navigation of different news

 Category page with header
category and other smaller
category in text.
 Back button for navigation to
other screens
 Search in text fields for finding
product listing

 Listing contain screens of what
it looks like when users attempt
to sell a product
 Filter option of product by
categories
 The button color contrasts with
another product.

 Like tab allow user to monitor
what others have responded to
listing or gave them a review.
 Users can either sell item,
message another user or leave
a review after purchasing a
product.

USER INTERFACE FOR GRAB
o Features
1) Image icons for drivers as
well as geolocation tagger.
2) Text Fields for destination
and place of origin
3) Tabs that change for
different screens (Ride and
Hire)
Source: Grab Mobile App©

 Grab rewards use image to show rewards
user get for being different grab members.
 Different categories of rewards.
 Buttons with different colour for easier
navigation and browsing of reward.

 Consist of Reward and other
categories.
 Reward tab for checking rewards for
taking transportation services.
 Diversification of other services give
users more choice.

FUNCTIONALITY (continued)
◦ IOS: Android:

Grab App Functionality
 The location
functionality allows us
to integrate GPS API to
track where we want
the driver to pick us up.
 It also help us view the
route the driver takes to
send us there while on
the journey.

Carousell App Functionality
Chat reply has color difference for
sender and recipient. This chat
functionality enables user to
differentiate which conversation
he/she requires to read.

Other Tips
Fast and Practical Splash Screens
Simple Registration
Unintrusive Permission
Adequate Tutorial or Training
Designing for fingers, not cursors
Emphasis on Security
Relevant Notifications
Personalization
Narrow Focused Widgets

More Reading
◦ 1. Mobile App UX Design Principles: 15 Rules for Creating Apps that Stick:
https://www.altexsoft.com/blog/mobile/mobile-app-ux-design-principles-15-rules-for-
creating-apps-that-stick/
◦ 2. 16 Important UX Design Principles for Newcomers:
https://www.springboard.com/blog/ux-design-principles/
◦ 3. A Step-by-Step Guide To Building Your First Mobile App:
https://www.entrepreneur.com/article/231145
◦ 4. Building your first Android Application:
https://codelabs.developers.google.com/codelabs/build-your-first-android-app/#0
◦

More Reading (continued)
◦ 5. Building your first IOS Application:
https://developer.apple.com/library/archive/referencelibrary/GettingStarted/Developi
OSAppsSwift/
◦ 6. How to boost your app store downloads: https://themanifest.com/app-
development/how-boost-your-app-store-downloads
◦ 7. A Mobile usability assessment of Carousell:
https://www.researchgate.net/publication/327922598_A_mobile_usability_assessment
_of_Carousell_mobile_app
◦

More Reading (continued)
◦ 8. Grab Mobile App: A UX Assessment on Mobile Devices:
https://www.researchgate.net/publication/327424385_Grab_Mobile_App_A_UX_Ass
essment_on_Mobile_Devices
◦ 9. A UI Case Study on a top marketplace app- Carousell:
https://uxplanet.org/a-ux-case-study-on-a-top-marketplace-app-carousell-
24d5c943f774
◦

Building a viral mobile application for your startup

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