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Software ownership planner

Custom Software Maintenance Cost Estimator

Estimate the yearly cost to keep custom software, AI automations, API integrations, AI agents, portals, and internal tools secure, current, and reliable after launch.

Annual cost signal
Monthly budget range
Where the cost goes
Example outputTotal cost of ownership
Customer portal / year$14k-$42k
Monthly signal$1.2k-$3.5k
Share of build / year18%-25%
Top cost driverIntegrations

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Plan for the cost of owning software, not just building it

The expensive surprise is rarely the build. It is the year after launch, when hosting, security patches, vendor API changes, and support quietly become a real line item.

Total cost of ownership

The build price is only the start. Plan for the recurring cost of keeping software secure, current, and reliable in production.

Drift and decay

Dependencies age, vendors change APIs, and models update. Without upkeep, working software quietly turns into fragile software.

Response when it breaks

The real question is who fixes it, how fast, and what it costs when a payment, sync, or login stops working at a bad time.

What the yearly budget actually buys

Ownership cost breakdown

Keep the lights on

Hosting, backups, monitoring, security patches, and dependency updates so nothing rots in the background.

Fix what breaks

Bug fixes, vendor API change repairs, and incident response when an integration or workflow stops working.

Stay current

Framework upgrades, library updates, and AI prompt and model upkeep as providers ship changes.

Small improvements

The steady stream of small changes real users ask for once software is live and depended on.

Want us to build the production version for your business?

Bles Software builds custom software, AI automations, API integrations, and AI systems, then keeps them secure, current, and reliable with a clear maintenance and response plan.

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Awards

Awards and Recognitions

Bles Software delivers for startups and enterprise teams, including the information security team at Shaam, the Israel Tax Authority computing division, and Zebra Technologies. Every client review we have is public on Clutch.

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AS SEEN ON

Featured on Business InsiderFeatured on BenzingaFeatured on Associated PressFeatured on Asia OneFeatured on BarChartFeatured on FOX 40Featured on The Chronicle Journal

AND OVER 500 NEWS SITES

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FAQ

Questions We Get Asked by Our Users

Is this software maintenance cost estimator free?

Yes. It runs in the browser and gives founders and operators a first-pass annual maintenance signal for software they own or plan to build.

Software is not a one-time purchase. Hosting, security patches, dependency upgrades, bug fixes, vendor API changes, support, and small improvements continue for as long as the system is used.

A common rule of thumb is 15% to 25% of the original build cost each year, but the real number depends on integrations, usage, uptime needs, and how current the stack is.

No. It frames the budget. A real plan needs a code review, integration audit, security check, and an agreed response and release process.

No spam. Just a practical audit.

Ready to remove your biggest software bottleneck?

Book a free 15-minute call. We will help you identify the highest-leverage automation, API integration, AI agent, or internal system to build first so your team can move faster with less manual work.

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Your code, your keys, your accounts

Every Bles Software project starts with a free 15-minute call on scope, budget and the first milestone.

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