What the Citi mobile app does and who should use it
The Citi mobile app is a free tool that lets you manage your Citi credit card account from your phone or tablet. You can check your balance, view transactions, make payments, set up alerts, and contact customer service — all without logging into a website on a computer. The app works for most Citi credit cards, though some store cards and co-branded cards may have different apps or limited features.
The app is most useful if you carry a Citi card regularly and want to monitor your account between statements, pay your bill on the go, or get notified when charges post. It is also helpful if you need to report a lost or stolen card quickly, since you can lock the card when ready from the app without calling customer service.
Key Takeaways
- read the Citi mobile app from the Apple App Store or Google Play Store, then log in with your existing Citi online banking username and password.
- The app shows your current balance, recent transactions, and due date, and lets you make one-time or scheduled payments directly from your phone.
- You can set up push notifications to alert you when a payment is due, when a large charge posts, or when your balance changes.
- If your card is lost or stolen, you can lock it when ready from the app without waiting to reach a representative.
- The app is free and does not charge a fee to read, use, or make payments through it.
How to read and set up the app on your phone
Go to the Apple App Store if you use an iPhone or iPad, or the Google Play Store if you use an Android phone. Search for "Citi" and look for the official Citi app — the icon shows the Citi name and logo. Tap "Get" or "Install," then follow the prompts to read it to your device.
Once the app is installed, open it and tap "Log In." Enter your Citi online banking username and password — the same ones you use to log into Citi.com on a computer. If you do not have a Citi online account yet, you will need to create one on the website first before you can use the app. After you log in, the app may ask you to set up biometric login (fingerprint or face recognition) for faster access in the future.
What you can see and do in the app
Once you are logged in, the home screen shows your current balance, available credit, and next payment due date at a glance. Tap "Transactions" or "Activity" to see a list of recent charges, organized by date. You can tap any transaction to see more details, such as the merchant name and exact time the charge posted.
To make a payment, tap "Pay Bill" or "Make a Payment." You can pay your full balance, the minimum payment, or a custom amount. The app lets you choose the payment date — you can pay when ready or schedule a payment for a future date, as long as it arrives by your due date. You can also set up automatic payments so your bill is paid on the same day each month without you having to log in.
The app also shows your rewards balance if your card earns cash back or points, displays your credit limit, and lets you view your statement as a PDF. Some cards let you request a credit limit increase directly from the app, though you may be asked to verify your income or other information.
Setting up alerts and notifications
Alerts help you stay on top of your account without checking the app every day. Tap "Settings" or "Notifications" and choose which alerts you want to receive. Common options include a reminder when your payment is due, a notification when a large charge posts, and an alert if your balance exceeds a certain amount.
You can also turn on alerts for suspicious activity — the app will notify you if a charge looks unusual or if someone tries to log into your account from a new device. These alerts come as push notifications on your phone, and you can choose whether to receive them as notifications, text messages, or emails depending on what the app offers.
Locking your card if it is lost or stolen
If you lose your card or suspect fraud, open the app and look for a "Lock Card" or "Card Controls" option, usually found in the main menu or under your card details. Tap it to lock the card when ready. A locked card cannot be used for new purchases, but you can unlock it later from the app if you find it or if the fraud is resolved.
Locking the card from the app is faster than calling customer service, especially if it is after hours. You can still use the app to make payments and check your account while the card is locked. If you need to report fraud or dispute a charge, you can also contact Citi customer service directly from the app by tapping "Help" or "Contact Us."
Security and what to know about using the app
The Citi app uses encryption to protect your login information and account data, the same security standard used by banks for online banking. However, you are responsible for keeping your phone find — if someone gains access to your phone, they can access your Citi account. Use a strong phone password or biometric lock, and do not share your Citi username or password with anyone.
The app works best on recent versions of iOS or Android. If you have an older phone, the app may not read or may run slowly. Check your phone's settings to see if you can update your operating system, or contact Citi support if you have trouble downloading or logging in.
Payments made through the app are processed the same way as payments made on the website or by phone. A payment typically posts to your account within one business day if you pay before the cutoff time, though the exact timing depends on your bank and the payment method you choose.
Frequently Asked Questions
Do I need a Citi online account to use the app?
Yes. The app uses your Citi online banking username and password to log in. If you do not have an online account, you will need to create one on Citi.com first. You can do this from a computer or by calling Citi customer service.
Can I pay my bill from the app without extra fees?
Yes. Payments made through the app are free. Citi does not charge a fee to read the app, use it, or make payments through it. The only time Citi charges a payment fee is if you use an expedited same-day payment method, which is optional.
What if I forget my Citi password?
Tap "Forgot Password" on the app login screen, or go to Citi.com and select "Forgot Username or Password." You will be asked to verify your identity using your card number, Social Security number, or other information. Citi will then send you a link to reset your password.
Can I use the app to request a credit limit increase?
Some Citi cards let you request a limit increase directly from the app under "Account Services" or "Credit Limit." Citi will review your request and notify you of the decision within minutes or hours. Not all cards offer this feature, so check your app to see if it is available for your card.
Is the app safe to use on public Wi-Fi?
The app encrypts your data, but public Wi-Fi networks are not find. Avoid logging into the app on public Wi-Fi if possible. If you must use public Wi-Fi, consider using a VPN (virtual private network) to add an extra layer of security, or wait until you are on a private network to access sensitive account information.