Replace the SaaS you've outgrown with a custom build
A focused replacement changes the cost calculation
You’re paying for a product built for thousands of companies, while your team uses only a slice of it and fights the rest. Extra seats, a workflow that almost fits, an export you can’t get, and permissions that don’t match how you approve work are not simply “the cost of software.” They’re the cost of following someone else’s product roadmap.
A replacement isn’t a clone of the whole SaaS suite. It focuses on the screens, rules, integrations, and access your business already relies on, without the features you ignore and the limits you work around.
AI-assisted development has made this kind of focused build more practical by reducing the effort involved in routine development work. Every solution is still thoroughly reviewed, tested, and verified by experienced software developers and testers before delivery.
Not every tool is worth replacing. The strongest candidate is a point solution your team uses every day, one that almost fits but keeps creating workarounds and recurring costs. This service is for that tool, not for replacing your entire software stack.
What you receive
- A custom replacement scoped to your actual workflow rather than the SaaS vendor’s entire feature set.
- Full ownership of the resulting software, with no per-seat or per-usage license for the replacement software.
- Ongoing operation after launch, including maintenance, security patching, and responsibility for uptime.
- A migration path for moving your data and workflow without relying on a single hard cutover.
The build is only half the replacement. After launch, the software can be cared for through Continuous Monthly Development (CMD), which covers maintenance, security patching, uptime, and operational issues. Your team isn’t handed a codebase and expected to run it alone. You can read more about 1902 Software’s ongoing software support and maintenance.
Where replacing SaaS makes sense
The strongest candidates are point solutions with a specific operational job. That could be an internal scheduling tool with unusual approval rules, a form system that passes data through several departments, or a workflow app where employees use only a small fraction of the vendor’s features.
A practical assessment looks at the current workflow, data exports, integrations, user roles, and the cost of operating both systems during migration. If those elements can be defined clearly, the replacement can be scoped as a fixed-price software project.
Some SaaS should not be replaced this way
This service is not positioned as a replacement for tools whose central value is shared compliance coverage or responsibility for regulated infrastructure.
Replacing the interface or code in those cases doesn’t remove the underlying compliance, certification, reporting, or regulatory obligation. If that obligation is the main reason you buy the tool, replacing it with custom software is unlikely to improve the business case.
Worth replacing
Off the shelf vs custom, where custom wins
- Per-seat pricing that punishes growth. Every new hire adds to a bill for software you already run.
- You pay for a product, use a fraction. A handful of features carry your work; the rest is priced in anyway.
- Your workflow lives in workarounds. Spreadsheets, manual re-entry, and glue that breaks when the tool updates.
- The integration you need doesn't exist. Your systems don't talk, so people move data by hand between them.
- Your data is locked in someone else's schema. Getting a straight answer out of it means an export and a battle.
Worth keeping
What we'll tell you not to rebuild
- Regulated, certified systems. When the subscription is really buying SOC 2, ISO, HIPAA, or PCI scope, that shared burden is the value. Keep it.
- Constant regulatory upkeep. Payroll, tax, and filing tools earn their fee by absorbing rule changes you'd otherwise track yourself.
- Payment rails and money movement. Processing, fraud, and financial compliance are not something you want to own and maintain.
- Commodity infrastructure. Email deliverability, video, and the like are cheap at scale and hard to beat by building.
How the replacement is planned and delivered
- Assess the candidate. We examine what the current tool does, what you actually use, what it costs, and what obligations sit behind it.
- Define the replacement. The required workflows, roles, data, integrations, and migration constraints are documented. Larger or less certain replacements may need Project Scoping to define the scope and technical approach.
- Build and verify. The agreed replacement is designed, developed, tested, and prepared for production.
- Migrate in stages. Data and workflows move according to an agreed migration path, with validation before the existing tool is retired.
- Operate the software. After launch, 1902 Software continues maintaining, patching, and running the replacement.
What this costs
Pricing is expected to combine a fixed price for the build phase with a separately priced ongoing fee for operating the software after launch.
If you have your own technical team, you can take over maintenance after launch instead. You receive the source code, so continuing with 1902 Software is a choice rather than a technical requirement.
Shape the replacement with Co-Dev
Co-Dev is an optional way to shape a replacement before the production build. You can build a prototype with us or bring a vibe-coded proof of concept for us to assess and make production-ready. Other uses include prototyping a new feature in an existing system. Co-Dev isn’t added to straightforward builds that don’t need it.
The prototype has its own fixed price, quoted after intake, and includes a workshop of two sessions. Intake to prototype usually takes one to two weeks. Once shaping begins, requested prototype changes, meetings, and help with agentic development are billed at $80 an hour. The approved prototype then becomes the basis for a separately scoped Fixed Price Project.
Next step
Book a consultation to examine one SaaS tool you’re considering replacing. Bring the current fee structure, approximate user or usage level, the workflow your team actually follows, and any known export or integration constraints. We’ll use those details to determine whether a focused replacement is worth scoping or whether the existing SaaS should remain in place.
Free, no-commitment
Commonly asked questions
Which SaaS tools are good candidates for replacement?
Usually, they’re point solutions with a narrow operational purpose, high recurring costs, and a workflow that almost fits. Internal scheduling, forms, approval workflows, and niche operational apps are examples, not a complete list.
Which SaaS tools should we keep?
Keep tools whose main value is shared compliance, certification, or regulatory upkeep. That commonly includes SOC 2, HIPAA, or PCI-attested systems, as well as payroll, tax, payment-rail, and money-movement platforms.
Will we own the replacement software?
Yes. You receive the source code and own the resulting software. The replacement itself has no per-seat or per-usage license from 1902 Software.
Do we have to switch everything at once?
No. The replacement includes a migration path for moving data and workflows in stages, with validation before the existing SaaS tool is retired.
Who maintains the software after launch?
1902 Software can operate it through Continuous Monthly Development, covering maintenance, security patching, uptime, and operational issues. If you have your own technical team, it can take over instead.