RentBook is a simple offline rent book for small landlords.
Replace messy spreadsheets and paper ledgers. Track properties, units, tenants, rent payments, expenses, and occupancy on your phone — with no sign-up and no cloud account.
WHY RentBook
• No account required — install and start immediately
• Data stays on your device (local storage)
• See overdue, occupancy, and income at a glance
• Record payments in one tap with clear Paid / Unpaid / Overdue status
• Recurring expenses so monthly costs are not forgotten
• Monthly & yearly stats plus PDF download for your records
• Share messages to tenants via WhatsApp, Messenger, and other apps on your phone
• JSON backup & restore for peace of mind
WHO IT’S FOR
• DIY landlords and small property owners
• Anyone who wants a private rent tracker without expensive property-management SaaS
• Owners who prefer offline-first tools over online portals
WHAT YOU CAN MANAGE
• Properties & units
• Tenant contracts and payment due dates
• Rent & maintenance fee payments
• One-time and recurring expenses
• Vendors / contacts
• Simple statistics and exports
NOTES
• Ads may be shown (AdMob). Core ledger data is stored on your device.
• Currency display can be changed in Settings (formatting only — not FX conversion).
• Language can follow your system or be chosen manually.
Stop juggling Excel. Keep a clean rent book in your pocket.
Offline landlord rent book — payments, overdue & expenses. No account.