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About

Altyst is AI-powered commercial real estate underwriting software that converts deal documents into a live, auditable financial model. Users upload offering memorandums, rent rolls, T-12s, leases, and supporting files. Altyst extracts and organizes property data, flags conflicts and missing information for review, and lets users confirm or edit assumptions before calculation. It models operating cash flow, rent and expense growth, vacancy, debt, acquisition and disposition assumptions, lease rollover, scenarios, and sensitivities across multifamily, office, retail, industrial, hospitality, and other property types. The platform calculates NOI, cash flow, DSCR, IRR, equity multiple, cash-on-cash return, and valuation. Calculation detail makes outputs traceable to source documents and assumptions. Users can compare scenarios and export Excel workbooks, underwriting memos, and PDF reports. Altyst is web-based and self-serve, with plans starting around $12 per month.

About

Building Stack is a cloud-based property management solution designed for Canadian businesses of all sizes. Key features include lease management, employee management, building maintenance, automated listing syndication, tenant communication and reporting, expense and time tracking, digital lease and document signature and online rent payment collection. With Building Stack, users can organize current vacancies and upcoming lease renewals, track the progress of repairs in their units, document tenant requests, receive online rent payments and more. Tenants have the ability to view make online payments, communicate with their landlord and view building information. Building Stack automatically posts vacancies onto multiple websites such as Kijiji and Facebook Marketplace. Users can manage leads who respond to the automated postings through Building Stack, and perform credit checks. A custom company or building website can also be created and tailored to the user’s needs.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Independent commercial real estate investors, first- and second-deal buyers, brokers, analysts, developers, owner-operators, and small acquisition teams underwriting multifamily, office, retail, industrial, hospitality, mixed-use, and other properties.

Audience

Canadian property management businesses

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

$12/user/month
Free Version
Free Trial

Pricing

$0
Pricing is based on tier size of the portfolio and which module selected. Free online rent payment plan option is available for anyone managing > 10 units. Monthly subscription - minimum 1 year agreement.
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 1.0 / 5
ease 1.0 / 5
features 1.0 / 5
design 1.0 / 5
support 1.0 / 5

Pros & Cons from Real Users

Pros

  • Nothing, no pros

Cons

  • Registration process is a disaster. Provided all my info, and got a message stating someone will get back, no, no one is getting back, registration fails. Calling them is not working at all, no one answers the phone, no callbacks, no nothing.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Altyst
Founded: 2026
United States
altyst.ai

Company Information

Building Stack
Founded: 2009
Canada
buildingstack.com

Alternatives

Alternatives

Solsten

Solsten

Nordic Real Estate Services, LLC
PayYourRent.com

PayYourRent.com

PayYourRent

Categories

Categories

Lease Management Features

Billing & Invoicing
Commercial Leases
Contact Management
Landlord Database
Lease Classification
Portfolio Management
Property Management
Residential Leases
Retail Leases
Sublease Management
Tenant Database

Real Estate Property Management Features

Billing & Invoicing
Commercial Properties
Contact Management
Credit Check
Expense Management
Insurance Management
Landlord Database
Late Fee Calculation
Lease Management
Maintenance Management
Owner Portal
Payment Processing
Portfolio Management
Rent Tracking
Residential Properties
Tax Management
Tenant Database
Tenant Portal
Vacancy Tracking
Website Management

Rental Property Management Features

Credit Check
Expense Management
Online Payments
Owner Portal
Tax Management
Tenant Management
Tenant Portal
Tenant Screening
Vacancy Tracking
Website Management

Integrations

Chatlease
Primmo
Yardi Voyager
Zapier

Integrations

Chatlease
Primmo
Yardi Voyager
Zapier
Claim Altyst and update features and information
Claim Altyst and update features and information
Claim Building Stack and update features and information
Claim Building Stack and update features and information