Android Developer Story: redBus improved reviews by 57% with Gemini Flash and Firebase AI Logic
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Subtítulos (70 segments)
DownloadABHI MUKTHEESWARAR: By empowering our Android team
with Gemini Flash using Firebase AI Logic,
we saw an incredible 57% increase in review length
and captured richer, better user reviews in just a month.
CREW: Ready?
[NON-ENGLISH]
ABHI MUKTHEESWARAR: Hi.
I am Abhi Muktheeswarar, senior tech lead in mobile engineering
at redBus.
GAJENDRAN KRISHNAN: I am Gajendran, senior engineering
manager in mobile engineering at redBus.
ABHI MUKTHEESWARAR: redBus is the world's largest online bus
ticketing platform.
We connect millions of travelers globally, and over 90%
of all our bookings are through our mobile app.
Reliable user reviews are critical.
While our existing text-based system served us well,
it lacked the necessary detail and volume
we needed to deliver maximum value to both travelers
and operators.
GAJENDRAN KRISHNAN: We saw there are
growing user preferences in India for voice communication.
Our goal was to let users speak their feedback
in their native languages.
Using Gemini Flash through Firebase AI Logic
was the key to unlocking this.
It allowed us to improve the volume and quality of reviews
dramatically.
As a mobile team, the ability to rapidly test this idea
was crucial.
The integration of the Firebase AI Logic SDK into our app
removed the need for backend engineering resources
and let us work independently, allowing
us to go from idea to launch-ready feature in just 30
days.
ABHI MUKTHEESWARAR: The UI encourages users
with a prominent mic button and a prompt.
The user speaks their native language.
This is where Gemini's multi-language
and multi-modal capabilities shine, supporting everything
from English to Tamil, Hindi, and Telugu,
enabling a fully localized experience.
SPEAKER: [NON-ENGLISH SPEECH]
Overall, nice experience.
ABHI MUKTHEESWARAR: The voice is recorded and sent
to Gemini Flash.
Within seconds, the model returns a valid JSON object
that includes the accurate transcription, the translation
into English for our systems.
We'll do a sentiment analysis to determine
the rating, selecting the relevant tags,
and the profanity check.
We parse the JSON to instantly autofill the entire review form.
The user simply reviews the AI-generated text for accuracy
and submits.
By eliminating the need to type, we
got richer, more detailed data in return.
The migration from Gemini 2.0 to Gemini 2.5 was smooth and easy.
The increased performance was noticeable with minimal code
changes required.
My key advice for other developers--
AI is for everyone.
The Firebase AI Logic removes the need to be an ML expert.
And the ease of integration enables
us to quickly prototype on Android
and get early, valuable feedback.
GAJENDRAN KRISHNAN: The launch of the new AI-powered user
review experience is a win-win-win for our traveler,
for our operator, and for our development velocity.
[UPBEAT INSTRUMENTAL MUSIC]
Key Vocabulary (50)
toward
"Go to school."
belonging
"Cup of tea."
also
"You and me."
inside
"In the house."
Used to show who is intended to have or use something, or to explain the purpose or reason for an action. It is also frequently used to indicate a specific duration of time.
A preposition used to indicate that people or things are together, in the same place, or performing an action together. It can also describe the instrument used to perform an action or a characteristic that someone or something has.
A preposition used to indicate a specific point, location, or position in space. It is also used to specify a particular point in time or a certain state or activity.
Used to identify a specific person, thing, or idea that is physically close to the speaker or has just been mentioned. It can also refer to the present time or a situation that is currently happening.
A preposition used to show the method or means of doing something, or to identify the person or thing that performs an action. It frequently appears in passive sentences to indicate the agent or before modes of transport.
Used to indicate the starting point, source, or origin of something. It can describe a physical location, a point in time, or the person who sent or gave an item.
The word 'we' is a first-person plural pronoun used to refer to the speaker and one or more other people collectively. It is used as the subject of a sentence or clause.
An is an indefinite article used before singular countable nouns that begin with a vowel sound. It functions to indicate a non-specific person or thing, similar to the number one.
A possessive determiner used to show that something belongs to or is associated with two or more people or things previously mentioned. It is also commonly used as a singular possessive when a person's gender is unknown or to be gender-neutral.
Used to show that something happened a very short time ago or to indicate an exact position or amount. It can also be used to mean 'only' or 'simply' to limit the importance of something.
A possessive determiner used to show that something belongs to or is associated with the speaker and one or more other people. It is always placed before a noun to indicate collective ownership or relationship.
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Description
See how redBus revolutionized their user reviews! They used Gemini Flash via Firebase AI Logic to make giving feedback easier, more inclusive, and reliable. The old problem? Short, low-quality...
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