Rentals United vs Streamline: Head-to-Head Comparison
TL;DR: Rentals United and Streamline both target short-term rental operators. Pick **[Rentals United](/rentals-united-review/)** if: Operators on a PMS who need one integration to reach 60+ channels — including long-tail European OTAs most competitors don't cover. Pick **[Streamline](/streamline-review/)** if: Enterprise PMCs that want one vendor, one contract, and one invoice across PMS, CRM, revenue management, trust accounting, and phone systems — and have the budget to justify it.
Category: Property Management Software · Rentals United · Streamline
At a glance
| Rentals United | Streamline | |
|---|---|---|
| Category | Global vacation rental channel manager connecting PMS software to 60+ booking channels | Enterprise unified platform for high-performing vacation rental management companies |
| Founded | 2013 | — |
| HQ | Barcelona, Spain | Chandler, AZ, USA |
| Pricing | quote-based | quote-based |
| Best for | Operators on a PMS who need one integration to reach 60+ channels — including long-tail European OTAs most competitors don’t cover. | Enterprise PMCs that want one vendor, one contract, and one invoice across PMS, CRM, revenue management, trust accounting, and phone systems — and have the budget to justify it. |
| Overall | 5.4/10 | 5.1/10 |
Feature-by-feature
| Feature | Rentals United | Streamline |
|---|---|---|
| Channel manager | ✅ Native | ✅ Native |
| Unified inbox | — | ✅ Native |
| Direct booking site | — | ✅ Native |
| Task management | — | ✅ Native |
| AI guest messaging | — | ⚠️ Partial |
| AI that takes actions | — | — |
| Automation rules | ⚠️ Partial | ✅ Native |
| Pricing optimizer | — | ✅ Native |
| Open API | ✅ Native | ✅ Native |
| Mobile app | — | ✅ Native |
| Multi-calendar | ✅ Native | ✅ Native |
| Accounting / reporting | — | ✅ Native |
| Revenue management | — | ✅ Native |
Scores by dimension
| Dimension | Rentals United | Streamline |
|---|---|---|
| Ease of use | 6/10 🏆 | 5/10 |
| Features depth | 8/10 | 9/10 🏆 |
| Value for money | 6/10 🏆 | 5/10 |
| Support | 5/10 | 5/10 |
| AI capability | 2/10 | 4/10 🏆 |
| Scalability | 8/10 | 9/10 🏆 |
| Learning curve | 5/10 🏆 | 3/10 |
| Pricing transparency | 3/10 🏆 | 1/10 |
Where Rentals United wins
- Learning curve — 5/10 vs 3/10
- Pricing transparency — 3/10 vs 1/10
Where Streamline wins
- AI capability — 4/10 vs 2/10
- Unified inbox — native in Streamline, not in Rentals United
- Direct booking site — native in Streamline, not in Rentals United
- Task management — native in Streamline, not in Rentals United
- Pricing optimizer — native in Streamline, not in Rentals United
- Mobile app — native in Streamline, not in Rentals United
Which one should you pick?
Pick Rentals United if: Operators on a PMS who need one integration to reach 60+ channels — including long-tail European OTAs most competitors don’t cover. Pick Streamline if: Enterprise PMCs that want one vendor, one contract, and one invoice across PMS, CRM, revenue management, trust accounting, and phone systems — and have the budget to justify it.
Pick by operator profile
| Profile | Winner | Why |
|---|---|---|
| Solo host (1-5 units) | Rentals United | Higher profile fit (5.1 vs 4.4). |
| Boutique operator (6-20 units) | Streamline | Higher profile fit (6.1 vs 5.4). |
| Professional PM (20+ units) | Streamline | Higher profile fit (7.3 vs 6.1). |
| Enterprise (100+ units) | Streamline | Higher profile fit (7.6 vs 6.0). |
| Multi-market operator | Streamline | Higher profile fit (7.3 vs 5.7). |
| Tech-forward, AI-first | Streamline | Higher profile fit (6.8 vs 4.7). |
| Budget-conscious | Rentals United | Higher profile fit (5.3 vs 4.1). |
Rentals United in one paragraph
Rentals United — Global vacation rental channel manager connecting PMS software to 60+ booking channels. Strengths: Broadest channel catalog in the category — 60+ OTAs including long-tail European channels; Mature two-way XML/REST API used by most major PMSes as their connectivity backbone; Strong coverage of regional European channels (HomeToGo, Holidu, Atraveo, e-domizil). Weaknesses: Not a standalone PMS — requires an underlying system for operations, guest comms, and tasks; Setup can be slow; channel certifications vary in speed. Full Rentals United review →
Streamline in one paragraph
Streamline — Enterprise unified platform for high-performing vacation rental management companies. Strengths: True all-in-one — PMS + CRM + revenue management + trust accounting + phone system under one roof; NC-accredited trust accounting — serious for enterprise operators; 100+ preferred partner ecosystem. Weaknesses: Reputation for bugs and slow issue resolution — “weeks to fix”; Documented pattern of needing supplementary tools “despite outrageous costs”. Full Streamline review →
See also
- All Property Management Software comparisons
- 5stelle vs Rentals United
- 5stelle vs Streamline
- AirDNA vs Rentals United
- AirDNA vs Streamline
- Amenitiz vs Rentals United
- Amenitiz vs Streamline
FAQ
Is Rentals United or Streamline cheaper?
Neither Rentals United nor Streamline publishes pricing openly — both require a sales conversation to quote.
Does Rentals United have better AI than Streamline?
Streamline scores higher on ai capability — 4/10 vs 2/10.
Which is easier to use, Rentals United or Streamline?
Rentals United scores higher on ease of use — 6/10 vs 5/10.
Can I switch from Rentals United to Streamline?
Yes, but plan for migration cost: channel reconnections, template rebuilds, automation recreation, and team retraining. Both Rentals United and Streamline export reservation history; neither exports their automation rules cleanly. Run both in parallel for at least two weeks before cutting over.