Kos Manager: Rental App

Kos Manager: Rental App

Rooms, Tenants & Finance

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Free
In-App PurchasesWith Ads

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Details

  • Released
  • Updated
  • April 28, 2026
  • September 8, 2026

Features

Kos Manager: Rental App screenshot #1 for iPhone
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Kos Manager: Rental App screenshot #8 for iPhone
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About

Kos Manager keeps the books for a boarding house. Rooms, tenants, rent, deposits, contracts, expenses. One app, on your phone, instead of a notebook and three WhatsApp threads. WHAT IT DOES Rooms and tenants See every room at a glance: who is in it, what they owe, when they came in. Up to four people per room, each with their own details, one of them marked as the one who pays. Rent that keeps its own diary Set the day rent falls due and the app tracks it. Overdue rooms turn red. Reminders go out over WhatsApp or LINE, in the tenant's language, with the amount and the bank details already filled in. You approve the message before it sends. Money you can check Every payment says which account it landed in — cash, or any of your banks. Each account carries a running balance. The balance sheet shows what you own and what you owe, and reconciles the accounts against the books, so "the app says this, my bank says that" is a question with an answer. Trace any figure A statement of every payment, expense and transfer: date and time, what it was, amount, debit or credit, which account. Filter by week, month, year or your own dates. Search by tenant, room or note. Export to PDF or a spreadsheet your accountant can work in. Let tenants fill in their own details Send a link. The tenant types their name, phone, ID number and emergency contact, and photographs their ID, before they move in. You read what came back and accept it — check-in opens already filled in, ID photo included. If something is wrong, send it back with a note. (Professional plan.) Contracts Write your own template once, or use the ones included. Send it for signing and the tenant signs on their phone. The signed PDF is stored against the room. Reports Income, expenses, profit, occupancy. By month, by year, by house. Export to PDF or Excel. Also in the app Deposits tracked separately from rent, because a deposit is money you hold, not money you earned. Reserve a room for someone arriving later. Maintenance jobs with photos and costs. Expenses per house or per room. Works in English, Indonesian and Chinese. Rupiah, or your own currency. FREE AND PAID Free covers one house and three rooms. Starter and Professional raise the limits and unlock Excel export, reminders, digital contracts, and self check-in. No advertising, ever. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula
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What's New in Kos Manager

1.6.0

September 8, 2026

Version 1.6.0 is our biggest update yet: a page of their own for tenants, self-service payment, a tenant balance, and a complete money journal. TENANTS GET THEIR OWN PAGE Send the link from the room. It holds their bill, invoices, receipts, the contract, and a form for sending transfer proof - for the whole stay. THEY SEND PROOF, YOU CONFIRM IN ONE TAP Transfers arrive in an inbox with the photo and the amount. One tap records the money against the month it is owed on. OVERPAYMENT BECOMES A BALANCE Money beyond the bill sits as the tenant's balance and pays each month as it falls due. The room shows what is left; Finance shows how many months it covers. A balance can also be reduced when a transfer bounces. EVERY RUPIAH IN AND OUT Money movements lists each receipt, refund and expense with the account it left and the one it reached - including your own deposits and withdrawals. Pick a period and export it to spreadsheet or PDF. SIGN THE CONTRACT ON A PHONE One page, three steps, the signature drawn on screen. You get a notification the moment it is signed, with the PDF on the room. CHECK IN FROM THE LINK The tenant fills in their own details and uploads their ID. You review it and accept, and nothing has to be typed twice. A MOVE CARRIES EVERYTHING WITH IT Transfer a tenant to another room and their payments, balance, contract and their own page go too. Their old link still works. SEND A RECEIPT IN ONE TAP After you record a payment, one tap sends the PDF receipt over WhatsApp or LINE in the tenant's language. A BILL THAT ADDS UP Paying off the rest lists rent, the deposit and today's late fee separately, and they add up to the total. Changing a room's rent updates its unpaid bills at once. Also: the balance sheet and account balances now always agree, account balances count deposits correctly, and many smaller fixes from check-in to checkout.

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Subscription plans

Starter

Unlocks more features on the app

$3.991 Month
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