There is no single best platform for relief veterinarians — Roo, Hound and agencies like RSVP run different models, publish different terms, and fit different working styles.
Roo is free for vets and pays in as little as two business days by its own description; Hound pairs relief shifts with full-time jobs in all 50 states by its own account; and the one agency we tried to verify — RSVP — publishes nothing we could check, so you ask for its terms.
This guide compares the routes from the veterinarian's side, then covers booking clinics directly.
How relief marketplaces work
Strip away the branding and a relief booking starts from one of three routes: a self-serve marketplace app, a staffing agency, or your own direct relationship with a clinic.
Apps post shifts you browse, book, work, rate and get paid for inside one platform.
Agencies put a person between you and the clinics.
Booking direct means the relationship is yours alone, with no intermediary at all.
One point sits underneath all three routes: booking through a platform or an agency does not by itself make that intermediary your employer.
On Roo, relief vets work as independent contractors by the platform's own description — nothing is withheld from shift pay, and the taxes are yours to handle afterwards.
The IRS frames the employee-versus-contractor question as turning on evidence of control and independence in three categories: behavioral, financial, and the type of relationship.
The role itself — what relief work is day to day, and the state-by-state licensing underneath it — is the subject of our guide for relief veterinarians.
Start there if you're new to the arrangement; this page stays on the question of how to book the work.
Contractor status changes what the money means
Roo: the terms it publishes for relief vets
Roo is a relief marketplace that also lists shifts for veterinary technicians, and it publishes more of its veterinarian-facing terms than any other platform checked for this guide.
As of October 2026, Roo's own vet page states that it is free for veterinarians to join, with no membership fees, no minimum shifts and no penalties for inactivity — you can hold a profile without owing anything between bookings.
Getting paid.
Roo says payment is triggered when you rate a completed shift — after that, you're paid by direct deposit in as little as two business days.
That is Roo's stated term rather than an independent measurement, but it's specific enough to plan a budget around.
Taxes.
Nothing is withheld.
Roo's own phrasing is that "you'll get paid every cent you see listed on the shift card," because relief vets on the platform work as independent contractors: you complete a W-9 at sign-up and settle the taxes yourself later.
Strings attached.
Roo states it doesn't require vets to sign a non-compete to work through the platform.
It also doesn't require personal liability insurance — while recommending you carry your own, on the stated logic that an independent contractor isn't covered under the hospital's policy — and it promotes AVMA PLIT coverage through a partnership.
AVMA PLIT professional liability is available to licensed AVMA-member veterinarians, with relief veterinarians and independent contractors named explicitly in its eligibility.
What you can't see there.
Roo's vet-facing page doesn't publish what it charges clinics, and its headline earnings figures are Roo's own calculations from its own shift data measured against an AVMA estimate — marketing, not market data.
Judge the shift offers actually in front of you instead.
Hound: jobs board and relief network in one
Hound describes itself as a veterinary jobs and relief network, and that dual nature is its distinguishing feature: it covers full-time placements and relief shifts alike.
Its homepage states coverage in all 50 states and lists GP, shelter, urgent care, emergency and specialist opportunities.
What the homepage doesn't state is just as relevant to a relief vet: Hound's fees to veterinarians or clinics, its payout timing, and its insurance requirements for relief work are not published on the page a relief vet checks first.
None of that is a reason to skip it — it's a reason to ask.
Before you build a calendar around any platform that doesn't publish its terms, get in writing when you'd be paid after a shift, what gets charged and to whom, and whether you're expected to carry your own liability coverage.
If you're weighing Roo and Hound as places to post a profile and find full-time work, that's the job-board question, and our Hound vs Roo comparison answers it directly.
This page is asking a different one: what each platform looks like as a place to work relief shifts, judged on the terms each actually publishes.
RSVP and other agencies
RSVP — Relief Services for Veterinary Practitioners — is a relief staffing agency: the model where a person, not an app, intermediates between you and the clinics.
Its current terms — regions served, fees, insurance requirements — could not be confirmed from an RSVP-run source when this page was researched in October 2026, so treat this section as a description of the agency model rather than of RSVP specifically, and ask the agency directly about anything you'd be relying on.
The model's trade is control for admin relief: an agency puts itself between you and the clinics, and the selling point is that the clinic-facing admin is handled for you.
The cost is that you see less of the machinery — which is exactly why written terms matter more here, not less.
One honest gap applies across these routes: our research found no primary source that publishes agency or marketplace fee splits, so any percentage anyone quotes you as the standard agency cut is a guess.
Before your first agency booking, ask for the terms in writing: how the fee works and who pays it, when you're paid after a shift, what happens when a clinic cancels, and what insurance you must carry.
Other platforms operate in this space — VetIQ among the names — and we didn't verify their terms for this guide: the checklist below is the vetting script for any of them.
Whichever route you take, liability insurance is a question to settle in advance — ask it rather than assume the answer.
AVMA PLIT names relief veterinarians and independent contractors explicitly among the licensed AVMA-member vets its professional liability coverage is available to.
Booking clinics directly
The third route skips intermediaries entirely: direct relationships with practices.
A clinic that has used you twice doesn't need an app to find you a third time, and the terms in the arrangement are ones you set or agree face to face.
The cost is admin. Nobody markets you, nobody chases payment, and an empty Tuesday is yours to fill.
Booking direct works best layered on a network you already have — former colleagues, practices you've rotated through — rather than as a cold-start plan.
Classification doesn't change with the route: booking direct doesn't settle it either.
The IRS decides employee-versus-contractor on the same evidence of control and independence — behavioral, financial, and the type of relationship — whether the shift was booked through an app or by phone.
Put the working agreement in writing anyway — rate, cancellation terms, who carries which insurance, and how pay will be reported.
That document is a contract, and contract questions, including any restrictive covenant a clinic proposes, belong with an attorney.
For how non-competes are handled, the veterinary non-competes guide covers what's actually enforceable — read it before signing anything restrictive.
The economics underneath any of these routes — what a relief rate has to absorb before it's take-home — are worked through in Relief Veterinary Work.
This page stays on the booking question; that one stays on the money.
How to choose
Rank platforms against your situation rather than against each other.
The terms below are the ones that actually move a relief veterinarian's month.
Roo states several of them outright; everywhere else, asking is the only way to find out.
- Payout timing — Roo states direct deposit in as little as two business days after you rate a completed shift; ask any other platform to state its timing before you rely on it.
- What it costs you — Roo states joining is free for vets, with no membership fees, minimum shifts or inactivity penalties; our research found no primary source that publishes agency or marketplace fees, so get them stated in writing.
- Coverage where you actually work — Hound claims all 50 states on its homepage; check real shift volume in your own state and settings before investing time in any profile.
- Insurance expectations — Roo recommends carrying your own liability coverage even though it doesn't require it, and AVMA PLIT explicitly covers relief and contract vets who are AVMA members.
- Strings attached — Roo states it has no non-compete requirement and no minimum shifts or inactivity penalties; exclusivity isn't addressed on its vet page, so ask any platform about it before your first booking.
- Earnings marketing — Roo's advertised earnings figures are its own calculations from its own shift data measured against an AVMA estimate; treat any other platform's advertised figure with the same caution until you can see how it was calculated, and judge the offers in front of you instead.
Whichever route you start with, re-check the terms periodically.
Platform pages are marketing, not contracts with you — they can change without much ceremony, and the terms you verified at sign-up are not guaranteed a year later.
This page is general career information, not legal, tax or veterinary advice. Verify current terms with each platform or agency before relying on them, and take contract and tax questions to a licensed professional in your state.