FlipMantis vs REI Sift
Want the best PropStream alternatives? See our complete comparison guide.
List stacking is great. But clean lists without a closing system is just organized procrastination. Also compare DealMachine vs PropStream or explore free alternatives.
Switch in 10 Minutes
Already using REI Sift? Here's how fast you can switch.
Tired of REI Sift?
Lists are stacked and clean... but then what?
No built-in CRM to track your outreach
No power dialer for efficient calling
No AI to actually score motivation or deal quality
No dedicated mobile D4D or field acquisition workflow
You still need separate tools to work the lists
Feature Comparison
| Feature |  FlipMantis | REI Sift |
|---|---|---|
| Monthly Price | Free | $99 |
| List Stacking | ||
| Data Hygiene | ||
| Skip Tracing | From $0.99/ea | Add-on $ |
| Deal Pipeline/CRM | ||
| AI Deal Scoring | ||
| Seller Motivation Score | ||
| Power Dialer | Pro ($99) | |
| Mobile App | ||
| Driving for Dollars | ||
| Underwriting Calculator | ||
| Automated Follow-up | ||
| Offline Support | ||
| Free Tier | Forever | None |
Why Investors Switch to FlipMantis
Clean lists need a closing system
REI Sift stacks your lists beautifully. FlipMantis gives you the CRM, dialer, and AI scoring to actually close deals from those lists.
AI prioritization beats manual sorting
The Mantis scores every lead against your buy box and motivation signals. Know who to call first without spreadsheet analysis.
One workflow, not three tools
REI Sift users typically need a separate CRM and dialer. FlipMantis combines list management, outreach, and deal tracking in one place.
Mobile-first for modern acquisitions
Add properties in the field with our D4D app. They sync with your stacked lists automatically.
“REI Sift gave me the cleanest lists in the game. But I still needed FlipMantis to actually work them. Now I have both - organization AND execution.”
The Mantis Difference
FlipMantis isn't just another CRM. It's an AI deal coach that learns your patterns and gets smarter with every deal. Learn more about The Mantis Method or explore all features.
AI Deal Scoring
The Mantis scores every lead against your buy box automatically. No more manual analysis.
Pattern Detection
Identifies your biases, like consistently underestimating rehab, and helps you improve.
Market Intelligence
Real-time market pulse by ZIP code. Know where opportunities are heating up.
Pass Pile Watcher
Monitors deals you passed on. Learn from missed opportunities.
Frequently Asked Questions
Can I import my data from REI Sift?
Yes. Our import tool handles CSV exports from most REI platforms. Your leads, properties, and deals transfer in minutes. Start your free migration today.
Is the free tier really free forever?
Yes. No trial period, no credit card required. You get D4D, 50 property searches/month, 10 skip traces/month, and full pipeline access. Forever.
What if I need more searches or skip traces?
Upgrade to Pro ($99/mo) for 2,500 skip traces and unlimited property searches, or add funds to your balance and pay as you go.
Do you have a mobile app?
Yes. Our mobile app includes Driving for Dollars, property search, lead management, and offline support. Available on iOS and Android.
Ready to upgrade your REI stack?
Join investors who've made the switch from data-only tools.