
Omni Calculator
calculator.net
Build vs. Buy Calculator
DeveloperToolStack
DevNestTools
DevTools Advanced
DevTools.fit
Free, no-signup calculators for the money side of building software and freelancing

Landlord Studio
Landlord Vision
August App
PaTMa
TenantCloud
AppFolio
Avail
The compliance evidence record for self-managing UK landlords and letting agents. Track every certificate, log proof of service, and export a Compliance Defence Pack for a council, tribunal or Section 8 possession claim. Free for your first property.

Which is more popular?
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | devfinancetools.com | llcr.uk |
| Pricing | ||
| Platforms | — | |
| Company | 2026 | Startup from the United Kingdom · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


DevFinanceTools is a collection of free, no-signup calculators for the money side of building software and freelancing. Everything runs in your browser — no account, no tracking beyond basic page-view analytics — and every tool shows its formulas and benchmarks so you can check the maths...
LLCR (Landlord Compliance Register) is a compliance evidence platform for self-managing landlords and letting agents in England. Most landlord software is built around rent, accounting or maintenance, with compliance included as a reminder feature. LLCR is built around a different question: if a...
What each product offers, as listed by its team.


How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing DevFinanceTools and LLCR.
LLCR's answer:
LLCR is built around compliance evidence rather than property management. Most landlord software stores a certificate and reminds you before it expires. LLCR records what was held, when it was served, and keeps that history in a chained, independently timestamped log, then exports it as an indexed Compliance Defence Pack for a council, a tribunal or a Section 8 possession claim. It is scoped to England and follows English statutory change closely, including the Renters' Rights Act 2025, rather than covering several jurisdictions at once. It was built by a UK property law professional, and the compliance logic reflects that.
LLCR's answer:
Self-managing private landlords in England, typically with one to twenty properties, plus letting agents and portfolio managers who need an evidence record across a client book. It suits landlords who handle their own compliance rather than delegating it to an agent, and it is particularly relevant to HMO landlords, who carry more certificate obligations and are penalised by per-unit pricing elsewhere. Most users already run accounting or property management software and add LLCR for the evidence layer.
LLCR's answer:
LLCR was built by Tauhid Islam, a UK property law paralegal qualifying as a solicitor, who saw the same problem repeatedly in practice: landlords who had done the right thing but could not prove it. Certificates in one folder, an EPC in an email, deposit paperwork in a drawer, and no reliable record of when anything was served. The Renters' Rights Act 2025 made that gap expensive. Section 21 went on 1 May 2026, so possession now depends on a compliance history that stands up to scrutiny. LLCR launched the same day, built to be the record landlords wish they had kept.
LLCR's answer:
LLCR does one job properly: proving compliance, not just tracking it. Proof of service records showing what was served and when, an audit trail where every change is fingerprinted and chained so tampering is detectable, Form 3A and Form 4A notice builders, a Court-Ready Rent Ledger, and civil penalty exposure totalled across the portfolio. No competitor in this comparison produces an indexed Compliance Defence Pack a solicitor, council or tribunal can work from. That matters more than it used to: Section 21 was abolished in England on 1 May 2026, and every possession claim now turns on a compliance history that survives scrutiny. LLCR is also priced per property rather than per tenancy or per unit, so an eight-room HMO counts as one property instead of eight. The first property is free, no card, no time limit. What LLCR deliberately does not do is accounting, rent collection or MTD filing, so it sits alongside your existing software rather than replacing it.
Share your experience with using DevFinanceTools and LLCR. For example, how are they different and which one is better?
When comparing DevFinanceTools and LLCR, you can also consider the following products.

Helping you make rational decisions, one calculation at a time.
Compare Omni Calculator to DevFinanceTools or LLCR:

Landlord Studio is a property management app built by landlords for landlords. Keep track of rent payments and expenses, generate professional reports for your accountant, automate reminders and invoices and more!
Compare Landlord Studio to DevFinanceTools or LLCR:

Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with related in-depth information.
Compare calculator.net to DevFinanceTools or LLCR:

Landlord Vision is a website that provides property management and accounting tools, making the residential landlords keep the records of their property in a decent manner.
Compare Landlord Vision to DevFinanceTools or LLCR:

Should you build an internal tool? Or just buy it?
Compare Build vs. Buy Calculator to DevFinanceTools or LLCR:

The all-in-one rental platform for landlords and tenants. UK’s #1 property management software for landlords and HMOs. August unifies rent, tenants, documents, maintenance and compliance in one platform (iOS, Android and Web).
Compare August App to DevFinanceTools or LLCR: