Ongoing · Maintenance

The App Maintenance Contract: Who keeps your app running?

Your app stays store-ready, every year, without you having to think about it: yearly mandatory OS and MAUI updates, store compliance, certificates, dependency updates and a support allowance with fixed response times. We take care of it, you work.

Request the App Maintenance Contract · from 498.00 €/month How your app gets into maintenance

Who is the maintenance contract for?

For anyone who has an app but no app team.

Apps are never finished: every year brings new iOS and Android versions, store policies change, certificates expire. The App Maintenance Contract is for you if you recognize at least one of these sentences:

“Every year a new iOS comes along, and I just hope nothing breaks.”
“The store set us a deadline, and no one had it on their radar.”
“The developer from back then is gone, the app runs unattended.”
“I want a fixed maintenance budget instead of surprise invoices.”

What you get

Four things you never have to think about again.

Yearly mandatory update

New iOS and Android versions, a new MAUI version, new store minimum requirements: we update your app in good time, test it and deliver it. Every year, without you having to ask.

Store compliance & certificates

We continuously monitor store policies, certificates and platform advisories. Expiring certificates and new store deadlines are our calendar problem, no longer yours.

Security & dependency updates

Libraries and dependencies stay current and secure: quarterly in the Basic tier, monthly in Plus and Premium. That way the update backlog that eventually makes apps unmaintainable doesn’t even arise.

Support with fixed response times

A monthly allowance of 2, 5 or 10 hours for bug fixes and small changes, with guaranteed response times from 3 business days to 4 hours on business days, depending on the tier.

How your app gets into maintenance

Four steps to a good night’s sleep.

1 · Inspection

We don’t maintain any app sight unseen: at the start there is the App Inspection with a traffic-light report and list of measures. If Quality Bytes built your app, this step is not required.

2 · Choose a tier

Basic, Plus or Premium: based on the inspection we recommend how much care your app really needs. Here too the rule is: honest rather than maximal.

3 · Takeover

We take over source code, pipeline, certificates and store access into a clean, documented environment. If urgent measures are still open from the inspection, we clarify them up front.

4 · Ongoing operation

From now on maintenance runs in the background: mandatory updates, monitoring, support. You hear from us before something is due, not only when something catches fire.

Price & tiers

Three tiers. Fixed budget. No surprises.

Ongoing · Maintenance

The App Maintenance Contract

Yearly mandatory OS and MAUI updates, store compliance, certificates, security and dependency updates, platform monitoring and a support allowance with fixed response times. All prices net plus VAT.

The price applies per app up to medium size; larger apps we calculate individually. The prerequisite is the App Inspection or an app built by us, because we don’t maintain any app sight unseen.

from 498.00 €per month · per app

Basic · “Stays runnable”498.00 € per month

Yearly mandatory update, platform monitoring, security and dependency updates quarterly, 2 hours allowance per month, response within 3 business days by email.

Plus · “Stays maintained”899.00 € per month

Everything from Basic, security and dependency updates monthly, 5 hours allowance, response within one business day via Teams and phone, health check 1× per year.

Premium · “Fully looked after”1,499.00 € per month

Everything from Plus, 10 hours allowance, response within 4 hours on business days, health check 2× per year, Azure monitoring with cost check and a yearly roadmap session with an architect.

And how do you get in?

The maintenance contract is the maintain option at the end of the app ladder. The entry point for existing apps: the App Inspection (2,499.00 €). It opens the way into maintenance, and should you modernize later, it brings 1,000.00 € credit toward Stage 1 with it. If your team is to develop further itself, App Sparring from 999.00 € per month is the alternative.

Honestly

We don’t maintain any app sight unseen. That protects you.

Only someone who knows the app can promise fixed response times. That is why before every maintenance contract there is the App Inspection, even if it means one step more. And if the inspection shows that your app first needs to be fundamentally overhauled, we tell you so before you sign an ongoing contract.

Ongoing support is our everyday business: the ODYSYS D3 driver app has been continuously developed further since release and runs daily with over 1,000 drivers, we have reliably accompanied Deltaplan’s FIS app since 2019, we migrated the iLOG app of the Bünting Group from Xamarin.Forms to .NET MAUI, and at KMS/HERMLE the automated store deployment ensures calm releases.

Request the App Maintenance Contract · from 498.00 €/month

Frequently asked questions

Answered clearly.

You didn’t build our app at all. Do you take over the maintenance anyway?

Yes, after an App Inspection. We don’t maintain any app sight unseen: the Inspection for 2,499.00 € shows us how your app is built and where the risks lie. After that, nothing stands in the way of the maintenance contract. For apps we built ourselves, this step is not required.

What does a yearly mandatory update mean concretely?

Every year new iOS and Android versions appear, the stores raise their minimum requirements, and .NET MAUI gets a new version. We update your app in good time, test it on the new systems and deliver it into the stores. Ideally you notice nothing of it, which is exactly the purpose.

How quickly do you respond when something goes wrong?

Depending on the tier: in Basic we respond within 3 business days by email, in Plus within one business day via Teams and phone, in Premium within 4 hours on business days. On top of that comes the support allowance of 2, 5 or 10 hours per month for bug fixes and small changes.

What happens if the support allowance once is not enough?

Then we talk to you beforehand, not afterwards about a surprise invoice. Small overruns we plan together into the following month; larger undertakings such as new features we cut as a separate stage with a clear quote. The allowance is meant for ongoing operation, not for further development.

What do the three tiers stand for in terms of price?

For allowance, response time and proactivity, all prices net plus VAT and per app up to medium size: Basic (498.00 € per month) keeps the app runnable, with quarterly security and dependency updates and 2 hours allowance. Plus (899.00 €) updates monthly, offers 5 hours and a yearly health check. Premium (1,499.00 €) offers 10 hours, response within 4 hours on business days, two health checks per year, Azure monitoring with cost check and a yearly roadmap session with an architect.

Still unsure?

The first step is the App Inspection.

Before we take your app into maintenance, we look at it: architecture, code quality, update backlog, store compliance. You get a traffic-light report, list of measures and debrief, and afterwards the matching maintenance tier is recommended.

To the App Inspection

The next step

Request the App Maintenance Contract.

Write us briefly which app it is about and who built it. We get back to you within one business day with date proposals. You talk to someone who understands apps and your .NET world.

Quality Bytes GmbH · Brunnenstraße 21 · 53498 Bad Breisig
+49 2633 4899 430 · info@qualitybytes.de

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