Conta Bemol

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2021

2021

Mobile

Mobile

A man holding the Bemol account card
A man holding the Bemol account card
A man holding the Bemol account card

My role

Senior Product Designer

Duration

7 months

Client

Bemol

Conta Bemol

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A Bemol is one of the largest retailers in the northern region of Brazil, with various stores, pharmacies, and markets spread across capitals and interior areas.

One of the products in its portfolio is the Conta Bemol, the digital bank for customers. The case narrated below covers one of the functionalities developed for this bank.

Bemol Store
Bemol Store
Bemol Store

The Challenge

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A Bemol has a purchasing system widely used in the market, where customers can buy products through digital means or in stores. However, there was still no integrated payment flow between retail and the digital bank. 

Given this scenario, the challenge of this case seeks to answer the following question: 
How to provide a good experience for customers when paying for products with the Bemol Account?

Design Process

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To develop a solution, first it is necessary to understand the problem. 

The first step of the process was to gather what information was available about the issue. After that, to look for data in a field survey. Finally, to think collaboratively about a solution.

The process of this case followed the guidelines of the Double Diamond framework along with Design Thinking tools.

Double Diamond methodology
Double Diamond methodology
Double Diamond methodology

Discovery

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The main objectives in the discovery process were:


1 - Analyze the payment functions of market players and Bemol stores.

2 - Detect business opportunities in the payment process.


The tools that were used to achieve the objectives were:

The use of research tools allowed market opportunities to be detected, the main ones being:


1 - 76% of our customers make payments at the cash register due to habit.

2 - Customers reported having difficulties in tracking the installments of the products.

Define

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With the data in hand, it was possible to create artifacts to guide and assist the team in design decisions. The main artifacts generated were personas and user journeys.

Image showing a user journey
Image showing a user journey
Image showing a user journey

The business opportunities and analysis of the artifacts revealed which problems could be addressed. To generate solutions for these problems, a collaborative workshop was held with designers and developers.


Many ideas emerged, they were discussed, refined, and voted on to be developed by the team. The final solution was a feature for payment and tracking of the product installments.

Development

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The defined solution was initially developed in low-fidelity prototypes and later validated through guerrilla testing with real customers.

Payment flow wireframes
Payment flow wireframes
Payment flow wireframes

Delivery

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With the validated solution, the final interface and the style guide were built. Also, the experience metrics to be monitored for the product were defined, such as: adoption, retention, happiness, engagement, and success rate.

Final Interface Visual
Final Interface Visual
Final Interface Visual

Results

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The launch of the feature occurred in October 2021, and the main results were:

1 - The product payment feature reached an amount of R$ 51,054 from October 2021 to January 2022.

Chart showing the money earned
Chart showing the money earned
Chart showing the money earned

2 - The launch of the feature also brought new clients to Conta Bemol. In January 2022, the bank reached a total of 2835 active users.


During the period of January 2022, the functionality still had low adoption, with only 218 users making product payments through the bank, which amounts to 7.8% of the accounts created.

However, a marketing campaign had been planned to promote the functionality and its benefits throughout the northern region. 

Finally, with this work, the aim is to make life easier for our clients by providing a good payment experience. If you want to know more, I am at your disposal.


Thank you.

© 2025 Guto Kawakami

All rights reserved

© 2025 Guto Kawakami

All rights reserved

© 2025 Guto Kawakami

All rights reserved