Case study · Sam

Rent, runand hand back.

A rental marketplace and tenancy app that connects property owners and tenants directly — search and shortlist, book an open home, apply, sign, pay the deposit, run inspections and request maintenance, all from the phone.

Rental marketplaceMobile appTenancy management
Sam screenSam screen
What we shipped
Search & shortlistDigital sign & depositOpen-home bookingCheck-in / check-outMaintenance requestsTenant + owner in one app
01 — The product

The whole tenancy, owner to tenant, in one app

Sam puts the marketplace and the tenancy in the same place. A tenant searches, shortlists with co-tenants, books an open home, applies, signs and pays a deposit; an owner lists a property, screens applicants and runs the tenancy; and when something breaks, a service provider is pulled in. Everyone works from one thread instead of five apps.

Search that ends in a booking

A tenant searches by location and dates, shortlists to favourites, shares with co-tenants and books an open home to view — so browsing turns into a real appointment, not a saved tab.

Sign and pay inside the app

The security deposit, the digital signature and the payment methods live in the app, so the moment a tenancy is agreed is captured where it happens rather than over email.

Inspections and repairs, not messages

Check-in and check-out inspections and maintenance requests are tracked items with their own screens, and a repair can pull in a service provider directly.

02 — The problem

Why does a rental app have to be more than a listings feed?

Three things make a tenancy app different from a property search. A feed cannot carry them: the deal has legal and financial weight, the tenancy runs for months after the match, and a third party shows up whenever something breaks.

The match is a contract, not a like — a shortlist ends in a signed lease, a paid deposit and an identity check, legal and financial events the app has to hold properly. Answer → digital signing and deposit payment inside the app.

The relationship outlives the move-in — rent, inspections, messages and maintenance run for the length of the tenancy. Answer → check-in and check-out inspections and maintenance requests as tracked items.

A third party appears mid-tenancy — a repair brings in a service provider who was not part of the original match. Answer → invite them onto one ticket without exposing the rest of the tenancy.

03 — Goals & challenges

What Sam had to get right

Renting is run across a listings site, a messaging app, a bank transfer, a PDF lease and a spreadsheet of inspection photos. Tenants and owners lose the thread between them, and the parts that matter — the deposit, the signature, the inspection — happen off to one side.

Goals

One app, owner to tenant

  • End search in a real booking — shortlist with co-tenants and book an open home to view.
  • Sign and pay inside the app — the deposit, the signature and payment methods captured where the deal happens.
  • Track inspections and repairs — check-in, check-out and maintenance as items, not messages.
  • Carry both sides in one app — tenant and owner, sharing the property and the tenancy underneath.
Challenges

Why it was hard

  • A shortlist ends in a signed lease, a paid deposit and an identity check — legal and financial events, not a browser tab.
  • Rent, inspections, messages and maintenance run for the length of the tenancy, long after the match.
  • A repair brings in a service provider who was not part of the original match.
  • Two roles, tenant and owner, have to share one property and one tenancy without becoming two separate apps.
04 — Built for

Who is Sam built for?

Both sides of the marketplace live on the phone — 2 roles sharing one property and one tenancy, with a service provider pulled onto a single ticket whenever something needs fixing.

The tenant view
Tenant

The tenant

Searches and shortlists with co-tenants, books an open home, applies, signs and pays the deposit, then lives the tenancy through inspections, maintenance and hand-back.

The property owner view
Property owner

The property owner

Lists a property, reviews open-home applicants and approves a tenant, then runs payments, payouts and messages from an owner menu.

05 — Five apps vs one

What changes when the tenancy stays in one app

Renting today runs across a listings site, a messaging app, a bank transfer, a PDF lease and a spreadsheet of inspection photos. What changes when it is one thread instead.

Running a tenancy
Five separate tools
In Sam
Finding a home
A listings site, calls and viewings arranged separately
Search, shortlist with co-tenants, book an open home — in one flow
Applying
A form emailed or handed over
An in-app application presenting the tenant's best offer
Signing & the deposit
A PDF lease and a separate bank transfer
Digital signature and deposit payment inside the app
Moving in
Photos on a phone, filed nowhere in particular
A check-in inspection recorded against the tenancy
A repair
A phone call to track someone down
A maintenance request that pulls in a service provider directly
Everyone's view of it
Five different threads for tenant, owner and everyone else
One app, tenant and owner surfaces, one thread
06 — In the hand

What does the app actually feel like?

Both sides of the marketplace live on the phone — the tenant searching and applying, the owner listing and screening. Scroll through the real screens.

Onboarding
App preview
01 • Onboarding

The branded way in, introducing the app before a tenant or owner signs up.

Search
App preview
02 • Search

Search nearby rentals, recent searches and locations, with the tenant tab bar underneath.

Map
App preview
03 • Map view

Search results on a map, so a tenant reads location before price.

Guide
App preview
04 • How it works

The rental journey laid out in the app itself, from shortlist to move-out.

Listings
App preview
05 • Owner listings

The owner's properties, with a clear path to start a first listing and a knowledge centre.

Open home
App preview
06 • Open home

An open home's applicants and attendees, with a view-property link and a close-home action.

Payments
App preview
07 • Payments

Payment methods, currency settings and a payout with a withdraw-money action for owners.

Menu
App preview
08 • Owner menu

The owner's navigation across listings, tenants, messages, reports and profile.

Sam how it works screen laying out the rental journey
The rental journey

The path is spelled out inside the app itself.

From shortlist to move-out, the same journey the app is built around is shown to a tenant in its own 'How it works' screen — search and shortlist, apply, get approved, sign and pay, move in and inspect, request maintenance, hand back.

07 — What we shipped

The scope, in one panel

Every number in this panel is delivered scope — what was designed, built and handed over on the residential rentals build for Sam. It leaves out traffic, conversion and revenue on purpose: those figures belong to the client, and we don’t publish numbers we cannot stand behind.

7
Steps: search to hand-back
2
Surfaces sharing one tenancy
8
Core app screens
1
App for the whole tenancy
Sector
Residential rentalsRental marketplace
Roles
Tenant · Property ownerService provider
Platform
Mobile appTenant + owner surfaces
Our work
Product modellingUX+UI · mobile app design
08 — Visual design

The look, and why

A bold magenta carries the marketplace against near-black text, kept confident enough to read on a phone in one hand while the other holds a lease.

Colour
Magenta
#EC2790
Deep
#B30E63
Ink
#16181D
Body
#4A5568
Mist
#FDF0F7
Line
#F2E4EC
Typography
Display · 700Rent, run and hand back
HeadingThe whole tenancy, owner to tenant
Body · InterSearch and shortlist, apply, sign and pay the deposit — all from the phone.
Label · MonoTENANT · OWNER · SERVICE PROVIDER
09 — Transferable

What does a two-sided rental app actually need?

Six rules came out of building this one, and they hold for any marketplace app where the match is only the beginning of the relationship.

01

Carry the tenant and the owner in one app

Two separate apps for two sides of the same tenancy means the thread breaks at exactly the handover point.

02

Make the deal binding inside the app

The signature, the deposit and the identity check are the moment renting becomes real — they cannot be a link to somewhere else.

03

Design for the whole tenancy, not the match

Rent, inspections and maintenance are most of the relationship; an app that ends at 'applied' is a search engine with extra steps.

04

Let a third party onto one ticket

A service provider fixing a leak needs the repair, not the tenancy — invite them narrowly.

05

Book the viewing, do not just save the listing

An open home with applicants and attendees turns interest into a real appointment the owner can screen from.

06

Support co-tenants from the start

Renting is often a group decision; a shortlist you can share is the difference between a flat filling and a flat sitting empty.

FAQ

Building a rental marketplace app

How long does it take to build a rental marketplace app?
A first release at this scope — a two-sided marketplace with search, applications, digital signing, deposits, inspections and maintenance — is a matter of months rather than weeks. What moves the date most is the payment, identity and e-signature integrations, since those carry legal and financial weight. We phase it so search and applications ship before the full tenancy-management side.
Does one app serve both tenants and owners?
Yes — that is the core design. Tenant and owner are two roles inside one app, each with its own surface and its own tab bar, sharing the property and the tenancy underneath. A service provider is a third role brought in for maintenance. Keeping all sides in one app is what stops the thread breaking between a match and a move-in.
Can it handle deposits, signing and payouts?
Those are built into the flow rather than bolted on. A tenant signs digitally and pays a security deposit; an owner manages payment methods, currency and a payout with a withdraw-money action. In a real build the payment and e-signature providers are the substantial integration work; the screens on top of them are well understood.
How much does an app like this cost?
It depends on scope, and a feature list alone is not enough to quote honestly. The main drivers are how many of the payment, identity and signing integrations are in scope, whether inspections and maintenance are included, and the number of roles. Shanti Infosoft scopes it on a short call and returns a fixed quote within 48 hours.
Is it native, and does it work on iOS and Android?
The product is designed as a mobile app, and the interface is built for the phone from the ground up rather than a shrunk-down website. Whether it ships as native or cross-platform is a build decision we make with you based on the feature set and timeline; both routes are covered by the same design.
Let's build

Building a marketplace app where the match is only the start?

Tell us how your business actually works and we'll tell you honestly what it takes to build — the signing, the deposits, the maintenance loop. No deck, no pitch.