ワンバンク:AI家計簿アプリで頑張らなくていいお金の管理

[What is One Bank]
One Bank is a next-generation AI household account book that allows you to organize your finances naturally without having to work hard.
AI assistant learns your spending and gently supports your next actions. You can continue playing like a game without any troublesome settings, so your worries about money will naturally disappear.
In addition, couples can manage their money using paired cards, and flexible payments can be made by recharging at a later date. It is packed with features that make everyday payments smooth.
Would you like to try "money management without having to work hard" for the first time with One Bank?
(The name “One Bank” has been changed from “B/43”)

[Types of One Bank Card]
Three types are available depending on the application. Both can be used together in one app.


For couples and couples! Two cards in one account. Two cards can be issued and used in a shared account where two people can share the balance. You can use it even if you are not married.


For the first time living alone or debuting household finances! This card is ideal for managing living expenses when living alone and for managing personal spending. You can also charge the card later depending on your needs.


Perfect for your child's first card. It is issued upon application by parents, and children can use it without a smartphone.

[Characteristics of One Bank]

・Can be used at Visa member stores such as convenience stores, supermarkets, drug stores, and online shops.
・It can be used within the deposit (charge) range and can be deposited for free from a bank account, credit card, convenience store, or Seven Bank ATM.


-You can check your current balance and payment history on the app.
・You can also check your past balances on a graph to understand if you are overusing them.


・You will receive a push notification when making a payment and it will be reflected in your usage history.
・Immediately notice unauthorized use.


・Monthly expenses are automatically categorized and can be checked on a graph.
・Automatically create a household account book.


- You can set a monthly budget and easily check this month's balance.
・Budgets can be set for each category.
・The ``summary report'' is useful for reviewing next month's budget.


・You can manage money for each purpose.
・You can also manage your budget on a weekly basis.
-You can save the money and use it for other purposes.


・You can withdraw cash from Seven Bank ATMs nationwide (fees apply).

<“Atobarai Charge” that allows you to deposit anytime and anywhere>
・Can be used from the month of deposit until the end of the following month.
・You can deposit only the amount you need.
・The amount that can be deposited is a minimum of 3,000 yen and a maximum of 50,000 yen.
-Requires screening of partner companies.

[Recommended for these people]
・Those who find it troublesome to use paper household account books or household account book apps and do not continue using them
・Those who manage cash separately in envelopes or unmarked passport cases
・People who want to live by making a rough budget for their monthly living expenses
・Those who spend time withdrawing cash from ATMs that do not charge fees
・People who are paying in installments or revolving payments every month and want to get out of it
・People who don't know what they spent and how much they have left to spend
・Those who split the household budget 50-50 with their spouse, live-in partner, or sharemate, and manage their household finances in cash.
・People who frequently pay in advance with their spouse, couple, or friend

[How to use One Bank]
There are 4 easy steps to use OneBank. You can reduce waste by simply depositing (recharging) money using the One Bank app and paying with a Visa prepaid card.

<①Register using the app in as little as 5 minutes>
・All applications are completed through the app and can be completed in as little as 5 minutes.
・Cards will be delivered to you by mail.
・There are no screening or age restrictions, and there is no annual fee.

<② Deposit (charge)>
・You can deposit the money you will spend this month into One Bank based on the budget you set.
・In addition to bank accounts and convenience stores, we accept a wide range of payment methods, including credit cards and cash payments.

<③Use for payment (in-store/online shopping)>
・You can use the One Bank Card to pay at any payment terminal that supports Visa, whether in-store or online.
・The payment methods that can be used differ depending on the type of card (magnetic card/card with IC chip), so please pay according to the type of card you have.

<④Review your expenses>
・If you look at the notification you receive immediately after making a payment, you can see at a glance how much money you have left to spend.
- Expenditure data is automatically recorded and categorized. You can see the progress of your budget by category.
・A summary report will be sent on the 1st of every month. You can review your expenses on a regular basis.

[Safe operating system]
- Certified by an external auditing company for PCI DSS, the security standard for the credit card industry.
・We provide a compensation service in the event of fraud, and we can compensate up to 100,000 yen within 30 days. (*Certain conditions apply)
・The operating company, Smart Bank Co., Ltd., is registered as a funds transfer company (Kanto Local Finance Bureau No. 00084) and is also a member of the Japan Payment Services Association.

[Contact information]
If you have any opinions or bug reports, please send them here instead of using reviews.
We will do our best to resolve the issue as quickly as possible.
https://support.b43.jp/hc/ja/requests/new