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OpenProp.co.uk VS Diffee

Compare OpenProp.co.uk VS Diffee and see what are their differences

OpenProp.co.uk

London property AI, backed by 2M Land Registry sales. Ask plain-English questions about London property prices, trends and affordability. Open data, open calculations. £1.99 for 10 queries.

Rating
0 reviews
Pricing
£1.99 (10 Queries)
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Diffee

Instant visual diffing between websites

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0 reviews
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DocRaptor
As the only API powered by the Prince HTML-to-PDF engine, DocRaptor provides the best support for complex PDFs with powerful support for headers, page breaks, page numbers, flexbox, watermarks, accessible PDFs, and much more sponsored
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Base details

Website, pricing, platforms and company facts side by side.

OpenProp.co.uk
Diffee
Website openprop.co.uk diffee.me
Pricing
£1.99 (10 Queries) Official pricing
—
Platforms
Desktop Android iPhone Mac Windows +2
—
Company Startup from the United Kingdom · 1 - 9 employees · 2026 —
Listed in
AI Analysis Property Sales Property Investment AI +1
Office & Productivity WordPress Personalization Online Services +1

About OpenProp.co.uk and Diffee

In their own words, as submitted to SaaSHub.

OpenProp.co.uk
Diffee

OpenProp is an AI property analyst for the London residential market. Ask anything in plain English — "median flat price in Lewisham 2024", "is Tower Hamlets a buyers' market", "where can a £450k budget actually reach" — and get an answer computed live from 1.76 million HM Land Registry Price...

Read more about OpenProp.co.uk

No description of Diffee yet.

Features and specs

What each product offers, as listed by its team.

OpenProp.co.uk 4 features
Diffee 0 features
  • Multi-agent AI router
    A planning-route + triage layer picks the right specialist agent for each question (market analysis, borough comparison, planning evidence, rent-vs-buy). No generic chatbot guessing — every query goes to a purpose-built agent.
  • Audited accuracy
    Answers are computed live from 1.76M Land Registry rows, not summarised by an LLM. Published accuracy audit vs GPT-class models shows OpenProp matches the raw data on 100% of price/volume queries where general chatbots hallucinate boroughs and invent figures.
  • Auto-generated charts & heatmaps
    Every answer ships with the relevant visual — borough heatmaps, year-over-year trend lines, price distribution histograms — rendered on the fly from the same query, no separate dashboard tool needed.
  • One-click planning evidence reports
    Automates what consultants charge £500–£2k for: enter a postcode and objection type, get a structured PDF report with supporting transaction data, ready to submit to a council planning committee.

No features have been listed yet.

Analysis

An editorial look at what each product does well and who it suits.

OpenProp.co.uk
Diffee

Overall verdict

  • OpenProp.co.uk appears to be a property listing and portal service, but without verified independent reviews, extensive user feedback, or established market presence data, it's difficult to fully assess its reliability and quality. Users should conduct their own due diligence before relying on this platform for significant property transactions.

Why this product is good

  • May offer property listings that could be useful for browsing available properties
  • Could provide a simpler, more focused interface compared to larger property portals
  • Potentially lower cost or free listing options for property owners or agents

Recommended for

  • Users seeking additional property listing sources beyond major portals
  • Property owners looking for alternative or supplementary advertising platforms
  • Buyers or renters wanting to cross-reference listings across multiple sites
  • Those who prioritize verifying platform legitimacy before committing to use it exclusively

No analysis of Diffee yet.

Videos

Walkthroughs and reviews on video.

OpenProp.co.uk 0 videos + Add
Diffee 3 videos + Add

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Mr. Diffee Reviews The Tattooed Sales Guy

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Category popularity

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

Score bands 0–20 21–40 41–50 51–60 61–100
OpenProp.co.uk
Diffee
100% 100%
Property Investment
0% 0%
0% 0%
Personalization
100% 100%
100% 100%
Property Sales
0% 0%
0% 0%
Office & Productivity
100% 100%

Questions & Answers

As answered by people managing OpenProp.co.uk and Diffee.

What makes your product unique?

OpenProp.co.uk's answer

OpenProp computes every answer live from 1.76M HM Land Registry transactions instead of summarising scraped portal listings or relying on an LLM's memory. A multi-agent router sends each question to a purpose-built specialist (market analysis, borough comparison, planning evidence, rent-vs-buy), so answers come back with the underlying numbers, charts, and transaction counts — not a confident guess.

Why should a person choose your product over its competitors?

OpenProp.co.uk's answer

PropertyData and LandInsight cost £50–£500/month and require a property-industry login. Zoopla and Rightmove show asking prices, not sold prices. ChatGPT hallucinates London boroughs. OpenProp is £1.99 for 10 queries, one-off, no subscription — answers are auditable against the raw Land Registry source on every query, and every answer ships with the chart or heatmap that backs it.

How would you describe the primary audience of your product?

OpenProp.co.uk's answer

First-time buyers, renters deciding which borough to commit to, family upsizers, relocators moving into London, planning consultants and residents preparing objection evidence, and journalists who need defensible numbers fast. Anyone who needs a real answer about London property without paying agency rates or trusting a chatbot.

What's the story behind your product?

OpenProp.co.uk's answer

Built by a solo data scientist who got tired of watching friends make six-figure London property decisions on the back of Rightmove asking prices and Zoopla "estimates." Open data exists — HM Land Registry publishes every London sale under OGL v3.0 — but it's a 5GB CSV most people can't open. OpenProp is the layer that turns that public dataset into plain-English answers anyone can use.

Which are the primary technologies used for building your product?

OpenProp.co.uk's answer

  • Python 3.11
  • FastAPI (backend API)
  • Anthropic , xAI, OpenAI
  • Pandas + PyArrow (computation on Parquet datasets)
  • Plotly (charts and heatmaps)
  • PostgreSQL (sessions, billing)
  • Stripe
  • Cloudflare Pages
  • Hugging Face Hub
  • Kaggle

User comments

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