When comparing Financius vs Mint, the Slant community recommends Mint for most people. In the question“What are the best personal finance tracker apps for Android? ” Mint is ranked 2nd while Financius is ranked 3rd. The most important reason people chose Mint is:
Mint can handle banking accounts, saving accounts, credit cards, etc. It consolidates all your accounts together so you do not need to put work into following multiple accounts.
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Pros
Pro Material Design
Financius - Expense Manager was recently redesigned to follow Google's Material Design guidelines.
Pro Handles multiple money accounts and currencies
Financius - Expense Manager is able to utilize multiple money accounts so the user can have their bank, credit card and online money accounts such as Paypal listed within the same app. the user is also able to record different currencies within these accounts.
Pro Completely free with zero advertisements
Financius - Expense Manager is free to download and use, has zero advertisements.
Pro Offers backup to Google Drive accounts
Financius - Expense Manager offers users a way to backup all of their data to a Google Drive account.
Pro All accounts in one place
Mint can handle banking accounts, saving accounts, credit cards, etc. It consolidates all your accounts together so you do not need to put work into following multiple accounts.
Pro Organizes budget into categories
Mint splits your spending into different categories, such as gas or fast food, so you can see where you're spending too much money or how much you need to budget for.
Pro Alerts
Mint can be set to alert you to various events such as upcoming bills, or low balances on any accounts. It can be set to alert you from the app, through email or by text message. In addition you can sign up to recieve monthly emails about your money and ways to improve your budget.
Cons
Con Development may be slow
Financius - Expense Manager may not have features or bugs fixed as fast as other app as it is developed by a one man team.

Con Not international
Only works for US & Canada banks, and even then there are banks (like EQ Bank) that have actively blocked access to Mint.
Con Online only
It does not work offline.

Con Unsafe
With very few exceptions, Mint isn't just syncing your data over, but is using your username and password to log directly into the bank website. Banks will not reimburse for any fraud or stolen funds that may result from this, or may use Mint as an excuse to not reimburse for charges or stolen funds that occur from other causes.
Con Categories organization not flexible
Con The budgeting part has too many bugs
Con Very complicated tool
Of course, it's powerful but also very complicated. Some would prefer tools which are less robust, has less features but are a lot easier.
