Got a software idea?
Let’s turn it into something real.
FenJar helps turn rough ideas into apps, SaaS platforms, websites, dashboards, portals, QR systems, desktop tools and unusual business software. Bring the idea — we’ll shape the concept, price the build, and help you choose whether to buy, rent or rent-to-buy.
Built by someone who understands the full journey.
FenJar is run by a founder/developer who has taken software from rough idea to working product, including mobile apps, dashboards, QR systems, payment flows, databases, customer portals and live business tools. The focus is practical software that solves a real problem, not agency fluff.
Case study:PatrolSync — from idea to live SaaS productWhat can FenJar build?
Pretty much anything software-shaped. Here are the most common things people ask about.
Mobile apps
iOS and Android apps for customers, staff, or internal operations.
SaaS platforms
Subscription software your customers log into and pay for monthly.
Websites and web apps
Public-facing sites, internal tools, or anything that runs in a browser.
Dashboards and portals
Live data views, admin panels, and customer-facing portals.
QR and scanning systems
Check-in flows, asset tracking, ticketing, and anything scan-based.
Booking and payment systems
Scheduling, reservations, checkout flows, and payment integrations.
Desktop tools
Windows and Mac applications for offices, warehouses, or specialist tasks.
TV and device apps
Display screens, kiosk apps, Raspberry Pi systems, and smart device interfaces.
Business automation
Workflows that replace repetitive manual tasks with software that just runs.
SMS and email systems
Automated messages, alerts, reminders, and customer communication tools.
How it works
Five steps from rough idea to working product.
Pitch the idea
Tell us what you want to build, what problem it solves, and who would use it. Rough ideas are welcome — that is the whole point.
Paid concept session
We run a focused session to shape the idea into a clear product concept — features, screens, user flow, and the simplest version worth building. This is a paid stage because real scoping takes real work.
Build proposal
You get a clear proposal covering what will be built, how long it will take, what it will cost, and the options for how to pay.
Choose buy, rent or rent-to-buy
Pay upfront, rent the system monthly, or spread the cost with rent-to-buy. Pick whatever fits your budget and situation.
Build and launch
We design, build, test and launch the product — including hosting, app stores, payments, databases and ongoing support where needed.
Buy, Rent or Rent-to-Buy
Every project is different. Pick the payment model that fits your situation.
Buy
Pay for the build upfront or in agreed stages. Best for customers who want ownership from completion.
- Full ownership on completion
- Staged payments available
- Source code handover
Rent-to-Buy
Spread the cost over a fixed contract. Once all payments are complete, ownership of the agreed build can transfer to you.
- Spread the cost
- Ownership at end of contract
- Predictable monthly payments
Rent
Lower upfront cost. FenJar builds, hosts and maintains the system while you pay monthly. Best when you want the outcome without owning the code.
- Low upfront cost
- Hosting and maintenance included
- Cancel after minimum term
Rental and rent-to-buy builds require a minimum contract term because FenJar is investing development time upfront.
Why not just use off-the-shelf software?
Off-the-shelf tools often nearly fit but not quite. You end up changing your process to match the software, rather than the other way around.
Businesses bolt on workarounds, export data into spreadsheets, and train staff to use three different tools where one purpose-built system would do the job.
FenJar builds around the way you actually work. The first version can start small — just the parts that matter most — and improve over time as you learn what your users really need.
You do not have to commit to everything at once. Start with the minimum useful version and build from there.
Good fit ideas
These are the kind of projects FenJar works well with. If your idea is similar, you are in the right place.
Customer-facing ideas
- Ticketing platforms
- Loyalty apps
- Booking systems
- Customer portals
Internal business tools
- Dashboards
- Stock and ordering tools
- Staff apps
- Workflow systems
Connected systems
- QR scanning
- Access control flows
- Raspberry Pi displays
- TV and device apps
Software products
- SaaS platforms
- Subscription tools
- Admin portals
- Niche platforms
You do not need to know what type of software it is.
You might think you need an app when a web portal would be better. You might think you need a website when what you really need is a dashboard, booking flow or internal tool. FenJar helps work out the simplest version worth building before money is wasted on the wrong thing.
Pitch your idea
Tell us what you are thinking. It does not have to be polished — rough ideas are fine.
Rough ideas are fine. You do not need a finished specification.