OmniStay or Rental Ninja? · Comparison updated on 25 October 2026

The alternative to Rental Ninja, built for property managers.

Rental Ninja is all-in-one software for holiday rental managers, built by managers, with several plans and per-property prices that go down as you grow. OmniStay was designed by a property manager, for property managers and hosts, at €9.90 per listing per month. Here is what each one offers, point by point.

  • €9.90 per listing per month, no commitment
  • Showcase website and Instagram posts to find owners
  • Team app and owner portal included
  • Factur-X, tourist tax and monthly statements, all done automatically
  • Referrals: up to 50% of your referred clients’ subscription, every month
  • All in French, designed by a property manager

Feature by feature

Everything OmniStay does. And Rental Ninja?

What Rental Ninja offers according to its own website, reviewed between 21 and 25 October 2026, compared with OmniStay as it is live today.

Comparison of OmniStay and Rental Ninja, 25 October 2026
FeatureOmniStayRental Ninja
Property manager’s showcase website, to find owners
Add-on
No
WhatsApp and SMS messages to guests
Add-on
Yes

WhatsApp and SMS: automated messages to guests, alongside email and Airbnb and Booking.com messaging

Instagram and TikTok posts ready every week
Add-on · Beta
No
AI assistant that replies and acts in the guest’s language
Add-on
Yes

Smart Plan AI modules (+€10 per property): suggested replies…

Owner portal: income and statements in real time
Portal included
Yes

Owner statements and invoices, owner access

Referrals: 30 to 50% of your referred clients’ subscription, every month
Up to 50%
Partly

Ambassador programme: 10% recurring commission per referred customer, for as long as they remain a customer

Monthly statement and report for each owner
Every month
Yes

Owner statements generated automatically (income, commissions, expenses)

Profitability, targets and forecast per listing
Included
Yes

Revenue by property, channel and owner, profitability tracking and forecasts of future revenue

Run the software from ChatGPT, Claude or Gemini
With the AI add-on
No
Cleaning team app
App included
Yes

Cleaning tasks created and assigned automatically, photo reports

Inspections with photos
Included
Yes

Pre-arrival inspections scheduled automatically; photo and video reports on the property’s condition

Revenue estimate as a PDF, to win over an owner
PDF in your colours
No
Team invoices issued on their behalf
Included
Yes

Payments calculated for each payee (cleaning company, greeter, maintenance), with an invoice generated from the payment

Guest app in 7 languages
Nothing to install
Yes

Guest portal and app, pre-check-in, guides

Tracking the owners you want to sign
Included
No
Pre-check-in and police registration form
Included
Yes

DocScan (AI): automatic police reports for France, Spain, Italy, Portugal…

Rental agreement accepted online
Included
Yes

With DocScan (Smart Plan): rental agreements sent for e-signature, kept with the booking

Contracts signed online by owners
Included
No
Security deposits by card hold
Commission-free
Yes

Payments and deposits through Stripe

Extras sold to guests
Add-on
Yes

Additional services bought by the guest on their portal and paid via Stripe; 1% fee on these sales

Prices and calendar approved by the owner
Included
Partly

With the necessary permissions, the owner blocks dates themselves from their own login; a notification flags the block

Smart locks: one code per stay
One code per stay
Yes

Nuki and TTLock

E-invoices in Factur-X format
Factur-X
No
A reply ready for every review
Reply ready
Yes

Review tracking and replies from Rental Ninja

Unified inbox
All in one place
Yes

Airbnb, Booking.com, Vrbo, Expedia, WhatsApp and email

Tourist tax calculated, return ready to file
Calculated
Partly

Tourist tax handled as a fee, shown in statements and in each booking’s breakdown

Automated messages in the guest’s language
In 7 languages
Yes

By email, SMS, WhatsApp and platform messaging

Commission-free direct booking
Add-on
Yes

Direct booking websites (multi-site builder), commission-free according to its page

Entries ready for your accountant
Included
Partly

“Accounting” module (statements, payments, expenses); reports exportable as Excel, PDF or CSV, including for tax purposes

Dynamic pricing
With PriceLabs
Yes

Built-in “Ninja Smart Pricing” tool (Smart Plan)

Airbnb and Booking.com
Airbnb · Direct connectionBooking.com · Direct connection
Airbnb · Direct connectionBooking.com · Direct connection
Linen, stock and laundry
Included
No
Vrbo and Expedia
Vrbo · Direct connectionExpedia · Direct connection
Vrbo · Direct connectionExpedia · Direct connection

Expedia: direct connection, subject to conditions

Import from your current software
Automatic
Yes

Free setup support to switch from your current system

Incidents passed to the right contractor
Included
Partly

Damaged item reported by photo, video or comment, with a notification; repair task to be created and assigned manually

Several companies, one login
Included
Yes

Enterprise offer, price on request (100 properties and more): multi-brand and sub-accounts, organised by region and team

Support in French
7 days a week
Yes

Help centre in French

Damage and disputes: one file per incident
Included
Partly

Photos and videos of damage, to share with the booking platform to claim a reimbursement

On a phone
iPhone and Android
Yes

iOS and Android app, with an offline mode

API, Zapier and Make
API, Zapier, Make
Yes

REST API (OAuth 2.0)

Software entirely in French
All in French
No
Price for 10 listings, per month €99no commitment €173Pro Connecté, billed monthly

For 10 listings, €74 less per month with OmniStay, or €888 a year.

OmniStay in action

It’s all in the app already. Take a look.

OmniStay on a phone: “2 decisions are waiting for your go-ahead.” A hot water failure already reported, two jobs to assign and a finished cleaning to approve.
AI prepares, you approve. Everything awaiting your go-ahead, in one place.
The team app: the day’s jobs and new jobs to accept.
The team app. Jobs, room-by-room checklist, end-of-cleaning photos.
The owner portal: the month’s income, bookings and invoices.
The owner portal. Income, bookings, statements and invoices.

Which one should you choose?

Each has its own strengths.

Rental Ninja at a glance

All-in-one holiday rental management software (PMS, channel manager, direct booking, team and guests) for property managers, built by managers.

What Rental Ninja highlights:

  • A mobile app that works offline
  • Unlimited team members, with role-based access
  • Guest declarations to the police and tourism authorities, France included
  • A documented public API

OmniStay at a glance

The software designed by a property manager, for property managers and hosts: everything in French, €9.90 per listing per month.

What we highlight:

  • An AI that prepares each decision, which you approve with one tap, and everything in one place, from the booking to the owner’s invoice.
  • The cleaning team, owners and guests each have their own app, at no extra cost.
  • Factur-X invoices, commission-free deposits, igloohome and Nuki locks.

Switching from Rental Ninja to OmniStay

Your data comes with you. Your listings stay online.

  1. 1Get your bookings out of Rental Ninja: OmniStay reads Excel and CSV exports and iCal links.
  2. 2Drop the file into OmniStay: your properties and bookings arrive.
  3. 3Check your upcoming bookings, one by one, then follow the guide to connect Airbnb, then Booking.com, to OmniStay.

Nothing is deleted in Rental Ninja: you stop your subscription once everything is connected.

OmniStay’s import screen: Smoobu, Lodgify, Hostaway, Guesty, Beds24, Amenitiz and Uplisting with their key, other software by file.

FAQ

OmniStay or Rental Ninja: your questions.

Is OmniStay an alternative to Rental Ninja?

Yes, for short-term rental property managers and hosts: calendar synced with Airbnb, Booking.com, Expedia and Vrbo, automated messages, cleaning, owners, deposits and invoices, in a single piece of software in French, at €9.90 per listing per month. The table above shows what each one offers, according to its own website.

Can I switch from Rental Ninja to OmniStay without losing bookings?

Yes. With an export of your bookings (Excel or CSV) or your properties’ iCal link, OmniStay brings over your properties and bookings, and checks every upcoming booking, one by one. Your listings stay online throughout the switch: the guide tells you in which order to connect Airbnb, then Booking.com, and nothing is deleted in Rental Ninja.

How much does OmniStay cost?

OmniStay costs €9.90 per listing per month, with no commitment and no setup fee: calendar, messages, team, owners and statements included. The AI assistant, the showcase website and payments are available as add-ons, in the app. The demo is free, no account needed.

Method

Comparison drawn up by OmniStay on 25 October 2026, based on Rental Ninja’s public pages (viewed between 21 and 25 October 2026) and the live OmniStay software. “No”: its website doesn’t offer it; “Partly”: partly, or through a partner tool. Offers change: has something changed, or does it look inaccurate to you? Write to bonjour@omnistay.ai and we’ll correct it.

Rental Ninja is a trademark of its publisher (Rental Ninja, S.L., Barcelona, Spain). It is mentioned solely for comparison: OmniStay has no connection with this publisher, and is neither affiliated with nor endorsed by it.