Relentify CRM vs Arthur Online: Property Management Software Compared

Arthur Online is a property management platform for landlords and letting agents—it handles the operational mechanics of managing properties that are already let: maintenance requests, contractor scheduling, compliance tracking, tenant communication, and rent collection.

Relentify CRM takes a different angle. It's a unified business platform that combines property management CRM (finding and converting landlords, managing lettings pipelines) with property operations, accounting, and inventory tools—all on one platform with a flat monthly rate. Imagine property operations, but with the business side included too.

The question isn't "which is better"—it's "which does what you actually need."

Pricing: What You'll Actually Pay

Arthur Online charges per property managed, roughly £1–£3 per unit per month depending on plan tier (exact pricing on their site, but the per-property model is fixed).

Relentify CRM costs £49/month flat, with unlimited users and unlimited properties.

The math:

Scenario	Arthur Online	Relentify CRM	Winner
20 properties	~£20–60/mo	£49/mo	Arthur (slightly)
50 properties	~£50–150/mo	£49/mo	Relentify
100 properties	~£100–300/mo	£49/mo	Relentify
200 properties	~£200–600/mo	£49/mo	Relentify

Arthur Online wins on pure software cost if you're managing fewer than 49 properties and you need only property management. Big "if," though.

The hidden cost: if you need CRM (most agencies do), accounting software, or inventory tools, Arthur Online doesn't include those. You'll be adding another tool for each gap—more logins, more subscriptions, more data silos. Relentify is one price, one login, one platform.

Property Management: Maintenance, Compliance, Portals

Arthur Online's core strength is operational property management. Maintenance workflow is thoughtful: log a request, assign it to contractors from their pre-vetted network, track job costs, mark complete. A mature feature, purpose-built.

Relentify CRM handles maintenance: tenant reports via portal → lands in workflow → you assign → track → resolve. Standard, done well, not as specialized because Relentify also does twelve other things. It's a trade-off, not a shortcoming.

Both include:

Tenant portal — report maintenance, view statements, update contact info. Both functional.
Landlord portal — property status, financials, renewal dates. Both provide.
Compliance tracking — gas certificates, electrical tests, EPC, right-to-rent checks. Both have automated deadline reminders (required by gov.uk regulations).
Inspection scheduling — book and document property inspections. Both support this.

If your main need is managing properties already let, both cover you adequately. Arthur goes deeper into maintenance specialization (contractor networks, detailed costing). Relentify goes wider—maintenance plus everything else a letting agency needs.

For detailed property inspections, Relentify also offers Inspect, a dedicated inventory and condition-report tool useful for move-in/move-out documentation.

CRM & Business Development: Where They Diverge

Here's the split clearly:

Arthur Online manages properties you've already let. It doesn't help you find new landlords, track viewings, manage offers, or manage a sales pipeline. It's ops-focused.

Relentify CRM is a CRM first. It covers the full agency lifecycle:

Lead management — track inbound landlord enquiries.
Pipeline tracking — move prospects through stages (interested → qualified → quoted → contracted).
Landlord acquisition — manage sales activities: emails, calls, meetings, proposals.
Contact management — full records with notes, interaction history, linked properties and tenants.
Viewing management — schedule property viewings, track attendance, gather feedback.
Business analytics — conversion rates, time-to-let, revenue per landlord, team performance.

Arthur Online has contact storage for managing existing relationships. It's not built for finding new ones. You'll need a separate CRM for business development—another tool, another subscription, another login.

Most letting agencies spend half their energy finding landlords and managing growth. If that's your situation, Relentify CRM is built for it. Arthur isn't.

When comparing Relentify to other CRM options, note the difference: Relentify versus HubSpot is purpose-built property CRM against generic CRM software. With Relentify, you're not learning features built for marketing departments or startups—it's made for letting agents. There's also Relentify versus AgentOS if you're looking at other property-specific platforms.

Financial Management & Reporting

Arthur Online includes rent collection tracking, service charge management, landlord statements, and basic accounting views. Solid for operations.

Relentify CRM integrates natively with Relentify Accounting. That's the difference between a system that tracks finances and a system that is your finances:

No double-entry — transactions in property management automatically flow to accounting. No manual reconciliation, no data drift.
Full invoicing — raise invoices for management fees, service charges, and other billing. Track payment.
Expense tracking — record contractor invoices, maintenance costs, supply purchases. Link to properties.
Financial reporting — P&L by property, profit by landlord, tax-year breakdowns, VAT analysis. Export for your accountant.
Bank feeds — connect bank accounts, auto-reconcile, spot missing transactions.
Business analytics — conversion rates, void tracking (how long properties sit empty), team performance, pipeline velocity.

Arthur's financial tracking is operational (rent collected, arrears flagged). Relentify's accounting is complete. [STAT NEEDED: percentage of small agencies that use separate accounting software and experience reconciliation challenges.]

If you're using separate accounting software today, you know the pain: something gets recorded in one system and doesn't exist in the other, reconciliation happens on a spreadsheet, your accountant asks for bank statements because they don't trust your numbers. Relentify solves this by being one system.

Block Management

Block management—managing communal areas, service charges, multi-unit buildings—is somewhere Arthur Online genuinely shines. If you manage significant block portfolios with complex service charge requirements, Arthur's block management is purpose-built for it. Relentify's block features are still developing.

If block management is core to your business (not just a line item), Arthur has an edge here. That said, if you need block management plus CRM plus accounting, you're probably patching together multiple tools. Relentify gives you two-thirds of that on one flat-rate platform.

Frequently Asked Questions

Q: Which is cheaper for a small lettings agency?

A: For under 49 properties with only property-ops needs (no CRM, no accounting), Arthur Online is slightly cheaper. Above that threshold, or if you need CRM or accounting, Relentify's flat rate wins. Most agencies find themselves needing more than pure ops within a year.

Q: Can I use Arthur Online and Relentify together?

A: Technically yes, but you're paying for two systems and keeping two databases in sync. Relentify's whole point is one login and one source of truth. If you're considering the switch, our migration process can help move your property data over cleanly.

Q: Does Relentify CRM work for managing agents and block managers too, or just letting agents?

A: All three. Relentify CRM is built for letting agents, managing agents, block management, and property-focused businesses. Not generic CRM software shoehorned into lettings—it's purpose-built for property work.

Q: What if I'm using Arthur and want CRM features?

A: You'd need a separate CRM tool. Most agencies pair Arthur with HubSpot (£45+/user/month) or a spreadsheet. With Relentify, CRM is included at £49/month flat with unlimited users.

Q: How do I move from Arthur Online to Relentify?

A: Property records, landlord contacts, and historical data typically export from Arthur as CSV and import into Relentify cleanly. Complex workflows may need manual mapping, but core data moves well. Get in touch and we can walk you through it.

Q: Does Relentify work for sole-trader landlords with 5–10 properties, or is it only for bigger agencies?

A: Both. Small landlords and large agencies use Relentify at the same flat rate (£49/month). So the per-property cost makes it attractive at smaller scale—actually better value per unit than Arthur at that size.

Q: If I switch to Relentify, do I lose my maintenance history?

A: You keep past records as reference data, but open workflows reset. Maintenance requests from Arthur export as data you can review, but you'll create new workflows in Relentify going forward. Nothing is lost, just archived.

The Bottom Line: Who Should Choose Which

Arthur Online if:

You manage under 49 properties and only need property operations (no CRM, no accounting).
Block management with complex service charges is core to your business.
You already have a CRM and accounting software you're happy with; you just need an ops tool.
You want deep specialization in maintenance management and contractor networks.

Relentify CRM if:

You're a letting agent who needs both CRM and property ops (most do).
You're growing and want flat pricing that rewards portfolio size.
You want one platform, one login, one database—no syncing, no spreadsheets.
You need native accounting integration built in.
You need business analytics on top of operational reporting.

Compare against other CRM options as well. Different agencies have different workflows.

Arthur Online is a mature property-management tool that excels at operations—particularly for blocks and high-maintenance portfolios. For pure property ops, it's solid. Compare it to other property CRM competitors to find what fits your specific workflow.

But most letting agencies don't operate in isolation. They're constantly prospecting for landlords, tracking conversion pipelines, managing finances, analyzing team performance, and trying to move the needle on growth. They need a business platform, not just an operations tool.

Relentify CRM combines property management with CRM, accounting integration, and business analytics on a single flat-rate platform. No extra tools. No manual reconciliation. No "should this data be in System A or System B."

It's the difference between managing properties and running a business. For most agencies, that second part is what actually matters.

Start a free 14-day trial and see how it works with your own property data. You can import your existing agencies and test the workflows in your actual setup.