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Products

13 in the stores, one on its way, one in early access. No vapourware.

I design, build and ship every one of them. The agents do the volume; I decide what goes out.

Live products

EICR and Minor Works certificates for UK electricians, built for BS 7671:2018+A4:2026. One screen per circuit, copy previous, a schedule that starts ticked, and an outcome worked out from your observation codes. Sign, issue and send the PDF from site. Works offline with no account; everything stays on your phone, backs up to a file you control, and stays openable if you stop paying. 14-day free trial, then £14.99 a month or £119.99 a year.

A guided room checklist for hotel and short-stay guests. Work through private areas first, take optional 30-second looks at what nearby Bluetooth and network devices announce, and keep a private record of what you checked. Honest "looks like" wording, never a scare: it is not a camera detector and never shows an all-clear. Free, no account, nothing leaves your phone unless you share it.

A certificate wallet and countdown for landlords in England ahead of the Register your rental property service. Keeps each property's gas safety record, EICR and EPC with expiry dates, reminds you before they lapse, counts down to your region's deadline and exports a registration pack. Everything stays on your phone. Free for one property, then £2.99 a month or £19.99 a year.

A PAT test register for PAT testers and electricians. Every reading saves as you type and survives the app being killed. Fast retests, site register and certificate PDFs, CSV export and retest reminders. Everything stays on your phone, with no account. Free up to 25 appliances, then £3.99 a month or £29.99 a year.

Weekly scaffold inspection reports to Schedule 7 of the Work at Height Regulations 2005. A checklist, defects with photos, a signature and a PDF in minutes, a 7-day clock and reminder, and a logbook per scaffold. Everything stays on your phone, with no account. Free for one scaffold, then £9.99 a month or £79.99 a year.

Desktop affirmation / mental conditioning software for macOS 12+ and Windows 10 (2004+). Brief affirmation flashes appear on-screen while you work, or Whisper TTS through headphones (Pro). Auto-hides during screen sharing and recording. Base licence is £25 one-time; optional Pro is +£4.99/month, +£29.99/year, or +£59.99 lifetime. 14-day money-back guarantee. Direct download from imprimoapp.com.

A job photo documentation app for UK tradespeople. Create a job (customer name, description, address), take Before/During/After photos with automatic timestamps and GPS, then generate a PDF completion report with one tap, carrying your logo and colours on the Business plan. Also creates before/after split-screen images for social media. Fully offline, local-first SQLite. Built for plumbers, electricians, builders, roofers, landscapers – anyone who takes photos of their work.

A narrative architecture tool for macOS. A visual, canvas-based tool for mapping characters, locations, events, chapters, and ideas in a story. Story-aware node types with distinct shapes, typed relationships (allies, rivals, loves, foreshadows), genre templates (Novel, RPG Campaign, Screenplay, Worldbuilding), and a Narrative Spine for plotting sequential chapter structure. Built for fiction writers, tabletop RPG designers, screenwriters, and worldbuilders.

Import recipes from 611+ websites or social media (TikTok, Instagram Reels, YouTube Shorts) with a single URL. Strips out the adverts and life stories, keeps the ingredients and method. Kitchen Mode walks you through each step with built-in timers. Includes a meal planner, smart shopping list with portion scaling, and an iOS Share Extension for saving recipes straight from Safari. Completely ad-free.

A day trip and short break companion. Pick a destination and everything switches to it: prices in your home currency and the local one side by side, essential phrases, tipping customs, etiquette, common scams and emergency numbers, and a budget tracker with receipt scanning. Free for your first destination; a one-off £4.99 purchase unlocks every destination. No subscription.

A sound amplifier app for iPhone that helps you hear conversations, the TV and talks through any headphones, in 23 languages. Boost of up to +18 dB with headphones, Natural and Speech modes and a maximum output limit. Ear Assist Pro adds Clear Speech, a five-band equaliser, recording and no ads. Free with ads; Pro prices are in the App Store. Not a hearing aid or a medical device.

A comedy practice app with realistic stage simulation. Record and rehearse your stand-up set with MC intro audio, crowd murmur ambience, and a traffic light timing system (green/amber/red) mirroring real comedy clubs. Overtime music kicks in when you run long. Session history tracking and set presets let you refine your material over time. Built by a comic, for comics.

Language Learning Games

Older vocabulary games, still on Google Play.

  • Android

The early Overpass language games that are still live on Google Play: Bubble Bath, where you hear a word and pick its translation to pop the bubble, and the Spy series, a mission that moves on as you learn the words. One game per language. Free to download with adverts. Legacy titles, kept available but no longer actively updated.

Early access

Free and open source. Usable now, still being finished.

Self-hosted diagramming where a diagram is a typed graph with a lossless text form. People draw it in a browser, and AI agents edit the same diagram over MCP. It runs on your own server with no telemetry, and you bring your own AI, including a fully local model, or none. Free and open source under AGPL-3.0.

Coming soon

Dicera is waiting for App Store review.

Dicera

Speak Spanish out loud.

Coming soon. Expect delays.

  • iOS
Price: From £6.99/mo

A spoken Spanish instructor for English speakers. You put in earbuds and start talking. There are no tiles to tap and no streak to keep. A tutor gives you one small piece, then asks you to say a sentence you have not been shown whole. Your voice is never stored. Seven days of the full course, no card, then a subscription.

Free tools

Two small calculators for electricians and landlords. They run in your browser and need no sign-up.

Frequently asked questions

What platforms do Overpass apps support?

Overpass builds apps for iOS, Android, macOS, Windows, and the web. Most mobile apps are built with Flutter for cross-platform support. Desktop apps use Flutter or native frameworks depending on the requirements.

Are Overpass apps free?

Most Overpass apps are free to download and use. Dicera (spoken Spanish, coming soon) is seven days of the full course then £6.99 a month, £49.99 a year, or £119.99 once. Imprimo (desktop affirmation / mental conditioning software for macOS 12+ and Windows 10) is £25 one-time, with optional Pro at +£4.99/mo, +£29.99/yr, or +£59.99 lifetime. Synaptree (narrative architecture for macOS) is free. Circuitbook (electrical certificates, iPhone and Android) is a 14-day free trial then £14.99 a month or £119.99 a year. PrivacySweep (room checklist, iPhone) is free. Letpack (landlord certificate wallet, Android) is free for one property, then £2.99 a month or £19.99 a year. Plugmark (PAT test register, Android) is free up to 25 appliances, then £3.99 a month or £29.99 a year. Toeboard (scaffold inspection reports, Android) is free for one scaffold, then £9.99 a month or £79.99 a year. TightFive is a one-off purchase: £4.99 on the App Store, £4.39 on Google Play. DoneRight is free to start, with paid Solo (£3.99 a month, £39.99 a year or £99 lifetime) and Business (£19.99 a month or £149 a year) plans. Ear Assist (iPhone) is free with ads; Ear Assist Pro is a subscription or one-off purchase, with prices in the App Store. RecipeDrop is free to download. The older language learning games on Google Play are free with ads.

Who builds these apps?

All Overpass apps are built by Eric, a solo developer with over 20 years of experience. He uses AI tools to accelerate development, but all architecture, design, and product decisions come from his direct experience shipping software.

Can I request a feature for an Overpass app?

Yes. The best way is to email eric@overpass.co.uk or book a quick call via the contact page. Feature requests from real users drive the development roadmap.