Get RentalBux on your phone so you can scan receipts, track rent payments, and stay on top of deadlines wherever you are.
Why Use the Mobile App?
The mobile app isn't just a stripped-down version of RentalBux — it's the full platform, designed to fit your phone screen. But the real value of having it on your phone comes down to three things:
Receipt scanning: See a repair invoice, a letting agent statement, or a service charge bill? Photograph it instantly and it's logged in RentalBux before you lose the paper
Push notifications: Get alerted about upcoming MTD deadlines, rent due dates, and document expiry dates — even when you're not actively using the app
On-the-go access: Check rental income, review expenses, or approve a bank transaction while you're commuting, at a property viewing, or waiting for the kettle to boil
Downloading the App
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The app requires iOS 13 or later, or Android 6 or later. Most phones from the last few years will be compatible.
Signing In
Open the RentalBux app and sign in with the same email and password you use on the desktop website.
If you've enabled two-factor authentication (which we strongly recommend), you'll also need to enter the code from your authenticator app or SMS.
Once you're signed in, the app syncs with your desktop account. Everything you've set up — properties, invoices, expenses, documents — is all there. Any changes you make on your phone appear on the desktop, and vice versa.
Enabling Push Notifications
This is the part you really don't want to skip.
When the app asks "Allow RentalBux to send notifications?" — tap Allow.
Push notifications will alert you about:
Rent reminders — when tenant rent is due and when it's overdue
MTD deadlines — warnings before your quarterly submission is due
Document expiry — when a gas safety certificate, EPC, or EICR is approaching its expiry date
Account activity — new logins, accountant access changes, and submission confirmations
You can customise which notifications you receive in Settings > Notifications.
If you accidentally declined notifications, go to your phone's Settings > RentalBux > Notifications and enable them there.
Using the Camera for Receipt Scanning
This is one of the most-used features on mobile.
The receipt image is stored against that expense record. If HMRC ever asks for proof, it's there — timestamped and linked to the transaction.
Tips for better scanning:
Lay the receipt flat on a table
Make sure the lighting is good (no shadows across the text)
Capture the entire receipt in one photo
If the auto-read misses something, you can manually type in the correct amount or date
Syncing with Your Desktop Account
The mobile app and the desktop website are the same account. There's no separate "mobile account" or extra setup needed.
Log an expense on your phone → it appears on the desktop immediately
Create an invoice on the desktop → it shows up on your phone
Submit an MTD return on either platform → the confirmation is visible on both
Your data syncs in real time as long as you have an internet connection.
Common Questions
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