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Terms and Conditions of Use

Last updated: October 22, 2026

These Terms govern the use of Smart Flow+, a service of MARIO SERGIO SIERRA DELFINO, Brazilian company registration (CNPJ) 63.317.639/0001-15, operating as DelphinosDev. They apply to the app, to conversations with Smart Flow+ on WhatsApp and to the website smartflowplus.com.br.

By creating an account or using Smart Flow+, you confirm that you have read and accept these Terms and the Privacy Policy. If you do not agree, do not use the service.

1 The service

Smart Flow+ is a personal finance app. You record income and expenses in the app or by sending messages on WhatsApp, and an artificial intelligence interprets those messages. The app brings together a monthly overview, transactions, categories, recurring transactions, a financial calendar, forecast, reminders, charts and summaries.

Features may be improved, changed or replaced over time, always aiming to keep what is essential for your day-to-day use.

2 Account and password

3 Trial period

Every new account gets a 15-day free trial. When it ends, you need to subscribe to keep using the app’s features.

4 Plan, price and payment

5 Renewal, cancellation and refunds

6 End of trial or expired subscription

If the trial ends without a subscription, or if the subscription expires or a payment is declined, the app’s features are locked until you subscribe. Your data stays stored and comes back as soon as you subscribe.

7 Artificial intelligence and WhatsApp

8 Not financial advice

Charts, forecasts, summaries and other information in Smart Flow+ are calculated from the transactions you record and are meant to help you organize and follow your money. They are not financial, accounting, tax or investment advice. Decisions about your money are yours.

9 Deleting your account

You can delete your account at any time, as explained on the Delete account page. Deletion is permanent and erases all your data. If there is a subscription, it is cancelled first, with no refund for the period already paid, except where required by law.

10 Prohibited use

You may not use Smart Flow+ for illegal activities, to try to access other accounts’ data, to interfere with the service, to send bulk or automated messages to Smart Flow+, or to copy, resell or reverse engineer the software.

11 Availability and liability

12 Intellectual property

The Smart Flow+ brand, the app, the website and their content belong to DelphinosDev and are protected by law. The subscription gives you the right to use the service, without transferring any rights over it. The data you record remains yours.

13 Suspension

We may warn, suspend or close an account that breaches these Terms or the law, or that puts the service or other users at risk. Whenever possible, we will let you know by email first.

14 Changes to these Terms

We may update these Terms. The date of the last update is shown at the top of the page and, if the change is important, we will let you know by email or in the app before it takes effect.

15 Governing law and jurisdiction

These Terms are governed by the laws of Brazil. The courts of the city of São Paulo/SP have jurisdiction, without prejudice to the consumer’s right to file a claim in the courts of their place of residence.

16 Contact

Questions, support or any request about these Terms: mario@delphinosdev.com.