{ "about": "Where each Robin of Loxley price comes from. Pounds a month per paying customer unless named otherwise. Built from pricing/model.mjs; shown at robinofloxley.com/open.", "checked": "2026-10-05", "exchangeRates": { "gbpPerUsd": 0.79, "gbpPerJpy": 0.005 }, "policy": { "founderPayGbp": 0, "founderPayTargetGbp": 3500, "margin": 0.2, "corporationTax": 0.19, "companyCostsShared": "in proportion to price", "supportGbpPerHour": 25, "payingCustomersPerApp": 100 }, "unitPrices": [ { "item": "Video, per person per minute", "gbp": 0.0032, "source": "Daily, $0.004 list price. The first 10,000 minutes a month are free across the whole account" }, { "item": "Live transcription, per minute", "gbp": 0.0047, "source": "Daily, $0.0059" }, { "item": "One UK text message", "gbp": 0.0442, "source": "Twilio, $0.056 a segment" }, { "item": "One email", "gbp": 0.0003, "source": "Resend Pro, $20 for 50,000" }, { "item": "Haiku 4.5, per million tokens in", "gbp": 0.79, "source": "Anthropic, $1 in, $5 out" }, { "item": "Haiku 4.5, per million tokens out", "gbp": 3.95, "source": "Anthropic" }, { "item": "Sonnet 5, per million tokens in", "gbp": 1.58, "source": "Anthropic, $2 in, $10 out" }, { "item": "Sonnet 5, per million tokens out", "gbp": 7.9, "source": "Anthropic" }, { "item": "Opus 5.5, per million tokens in", "gbp": 3.16, "source": "Anthropic, $4 in, $20 out" }, { "item": "Opus 5.5, per million tokens out", "gbp": 15.8, "source": "Anthropic" }, { "item": "Database storage, per GB a month", "gbp": 0.2765, "source": "Neon, $0.35" } ], "cardFees": { "uk": { "percent": 2.2, "fixedGbp": 0.2, "label": "UK card 1.5% + 20p, plus 0.7% for Stripe Billing" }, "usd": { "percent": 5.85, "fixedGbp": 0.2, "label": "International card 3.15% + 20p, 2% currency conversion, 0.7% Stripe Billing" }, "jp": { "percent": 4.3, "fixedGbp": 0, "label": "Stripe Japan 3.6%, plus 0.7% for Stripe Billing" } }, "companyCosts": { "items": [ { "item": "Shared hosting and tools", "gbp": 122, "note": "Vercel £32, Neon £15, Resend £16, Sentry £21, Plausible £15, Upstash £5, Cloudinary £4, Google Workspace £7, domains £6" }, { "item": "The tools we build with", "gbp": 158, "note": "Claude Max, $200 a month. Most of the reason this software is cheap to make" }, { "item": "Accountant, year-end accounts and tax return", "gbp": 108, "note": "About £90 a month plus VAT we can't reclaim, as we aren't VAT registered" }, { "item": "Insurance", "gbp": 62.5, "note": "Professional indemnity and cyber, about £750 a year" }, { "item": "Legal", "gbp": 62.5, "note": "Terms and contracts, about £2,250, spread over three years" }, { "item": "Trademarks", "gbp": 9.92, "note": "Seven UK marks at £170, spread over ten years" }, { "item": "ICO data protection fee", "gbp": 4.33, "note": "£52 a year" }, { "item": "Companies House", "gbp": 4.17, "note": "£50 a year for the confirmation statement" }, { "item": "Marketing", "gbp": 0, "note": "None paid for at the moment" } ], "founderPayGbp": 0, "totalGbp": 531.42, "totalOnceFounderPaidGbp": 4493.92 }, "apps": [ { "slug": "myownsession", "name": "MyOwnSession", "for": "therapists", "freeTier": { "name": "up to 7 clients", "modelled": "four clients, no text reminders", "costEachGbp": 2.8851, "freeUsersPerPayingCustomer": 2, "lines": [ { "item": "Video calls", "gbp": 2.7387, "how": "17 sessions, half of them on video, 50 minutes, two people" }, { "item": "Email", "gbp": 0.0164, "how": "Two confirmations and a reminder per session" }, { "item": "Servers and database", "gbp": 0.13, "how": "Your share of hosting" } ] }, "supportMinutes": { "perPayingCustomer": 3, "perFreeUser": 0.5 }, "fixedCostGbp": 1, "fixedCostIs": "The text-message sending number", "plans": [ { "id": "p10", "name": "Getting established", "price": "£10 a month", "priceGbp": 10, "limits": "Up to 12 clients", "usage": { "light": { "modelled": "5 clients", "lines": [ { "item": "Video calls", "gbp": 3.4233, "how": "22 sessions, half of them on video, 50 minutes, two people" }, { "item": "Text reminders", "gbp": 0.5751, "how": "One text the day before, to the 60% of clients who give a mobile" }, { "item": "Email", "gbp": 0.0205, "how": "Two confirmations and a reminder per session" }, { "item": "Servers and database", "gbp": 0.13, "how": "Your share of hosting" } ], "costGbp": 12.5359, "priceWithMarginGbp": 15.8303 }, "typical": { "modelled": "9 clients", "lines": [ { "item": "Video calls", "gbp": 6.162, "how": "39 sessions, half of them on video, 50 minutes, two people" }, { "item": "Text reminders", "gbp": 1.0352, "how": "One text the day before, to the 60% of clients who give a mobile" }, { "item": "Email", "gbp": 0.037, "how": "Two confirmations and a reminder per session" }, { "item": "Servers and database", "gbp": 0.13, "how": "Your share of hosting" } ], "costGbp": 15.7511, "priceWithMarginGbp": 19.9629 }, "heavy": { "modelled": "12 clients, the limit", "lines": [ { "item": "Video calls", "gbp": 8.216, "how": "52 sessions, half of them on video, 50 minutes, two people" }, { "item": "Text reminders", "gbp": 1.3803, "how": "One text the day before, to the 60% of clients who give a mobile" }, { "item": "Email", "gbp": 0.0493, "how": "Two 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} ], "costGbp": 18.9665, "priceWithMarginGbp": 23.6716 }, "typical": { "modelled": "20 clients", "lines": [ { "item": "Video calls", "gbp": 13.6933, "how": "87 sessions, half of them on video, 50 minutes, two people" }, { "item": "Text reminders", "gbp": 2.3005, "how": "One text the day before, to the 60% of clients who give a mobile" }, { "item": "Email", "gbp": 0.0822, "how": "Two confirmations and a reminder per session" }, { "item": "AI assistant", "gbp": 0.474, "how": "30 questions a month" }, { "item": "Servers and database", "gbp": 0.13, "how": "Your share of hosting" } ], "costGbp": 25.3969, "priceWithMarginGbp": 31.9369 }, "heavy": { "modelled": "30 clients", "lines": [ { "item": "Video calls", "gbp": 20.54, "how": "130 sessions, half of them on video, 50 minutes, two people" }, { "item": "Text reminders", "gbp": 3.4507, "how": "One text the day before, to the 60% of clients who give a mobile" }, { "item": "Email", "gbp": 0.1232, "how": "Two confirmations and a reminder per 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{ "payingCustomers": 500, "breakEvenPrice": 24.9722, "priceWithMargin": 31.3918, "priceWithMarginOnceFounderPaid": 32.3888 }, { "payingCustomers": 1000, "breakEvenPrice": 24.918, "priceWithMargin": 31.3237, "priceWithMarginOnceFounderPaid": 31.8222 }, { "payingCustomers": 5000, "breakEvenPrice": 24.8747, "priceWithMargin": 31.2692, "priceWithMarginOnceFounderPaid": 31.3689 } ] } ] }, { "slug": "myownedu", "name": "MyOwnEdu", "for": "tutors", "freeTier": { "name": "up to 5 students", "modelled": "ten lessons, no transcription or text reminders", "costEachGbp": 2.6706, "freeUsersPerPayingCustomer": 2, "lines": [ { "item": "Video lessons", "gbp": 2.528, "how": "10 lessons, 80% on video, 50 minutes, two people" }, { "item": "Email", "gbp": 0.0126, "how": "Confirmations, reminders, receipts" }, { "item": "Servers and database", "gbp": 0.13, "how": "Your share of hosting" } ] }, "supportMinutes": { "perPayingCustomer": 3, "perFreeUser": 0.5 }, "fixedCostGbp": 5, "fixedCostIs": "A small server for the shared whiteboard", "plans": [ { "id": "pro", "name": "Pro", "price": "£29 a month", "priceGbp": 29, "limits": "Up to 30 students, 600 study-assistant questions a month", "usage": { "light": { "modelled": "10 lessons, 50 questions", "lines": [ { "item": "Video lessons", "gbp": 2.528, "how": "10 lessons, 80% on video, 50 minutes, two people" }, { "item": "Lesson transcription", "gbp": 1.8644, "how": "Only on Pro and Team, for the AI lesson notes" }, { "item": "AI lesson notes", "gbp": 0.0885, "how": "Haiku 4.5 reads the transcript" }, { "item": "Quizzes and lesson plans", "gbp": 0.0948, "how": "8 a month" }, { "item": "Students' study assistant", "gbp": 0.1778, "how": "50 questions a month from your students. 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"item": "Running the company", "gbp": 0.2054 } ], "cost": 5.6614, "leftOver": -1.7114, "corporationTax": 0, "kept": -1.7114, "breakEvenPrice": 5.7677, "priceWithMargin": 7.3234 }, "onceFounderPaid": { "cost": 7.1932, "priceWithMargin": 9.3892 }, "byPayingCustomers": [ { "payingCustomers": 25, "breakEvenPrice": 6.4223, "priceWithMargin": 8.1546, "priceWithMarginOnceFounderPaid": 16.4178 }, { "payingCustomers": 100, "breakEvenPrice": 5.7677, "priceWithMargin": 7.3234, "priceWithMarginOnceFounderPaid": 9.3892 }, { "payingCustomers": 500, "breakEvenPrice": 5.5932, "priceWithMargin": 7.1018, "priceWithMarginOnceFounderPaid": 7.5149 }, { "payingCustomers": 1000, "breakEvenPrice": 5.5713, "priceWithMargin": 7.0741, "priceWithMarginOnceFounderPaid": 7.2806 }, { "payingCustomers": 5000, "breakEvenPrice": 5.5539, "priceWithMargin": 7.0519, "priceWithMarginOnceFounderPaid": 7.0932 } ] } ] }, { "slug": "myownmenu", "name": "MyOwnMenu", "for": "restaurants in Japan", "freeTier": { "name": "the Menu 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