More features do not automatically mean better software. If requirements are not determined based on their actual value, the project can become overly expensive, slow down, and drift away from its original goal. So, how do you distinguish key features from those that can wait?
At the outset, new business software is often intended to solve one specific problem. Gradually, however, requirements are added for reporting, a mobile application, internal chat, dozens of exports, and the specific needs of individual departments. The budget grows, the deadline shifts, and the project's original objective is lost.
This development can be prevented if, before implementation begins, the company distinguishes between the features without which the system will not fulfil its purpose and those that can safely be added later.
When developing custom software, therefore, prioritize features that:
- solve a specific business problem,
- support the core process,
- will be used regularly,
- deliver measurable savings or reduce risk,
- are essential for the safe and reliable use of the system.
Additional features can be included in later phases according to their benefits and complexity.
Why more features do not mean better software
Customized software, also referred to as custom software, is created according to a company's specific processes and needs. Its advantage is that you do not have to adapt to a universal solution. However, this flexibility can lead to the mistaken assumption that the system should include everything the company might one day find useful.
Each new feature affects:
- the scope of analysis and design,
- the time required for development,
- testing and deployment,
- the project price,
- the complexity of use,
- the costs of future maintenance and changes.
The goal, therefore, is not to develop as many features as possible. The goal is to create a solution that eliminates a specific business problem as efficiently as possible. If you are only now considering whether an off-the-shelf or customized solution is more suitable for you, the article When and Why to Choose Customized Software over Off-the-Shelf Solutions.
Beware of uncontrolled project expansion
New ideas naturally emerge during development. The problem arises when they are added without assessing their impact on the objective, budget, and schedule. This phenomenon is known as scope creep, meaning the uncontrolled expansion of the project's original scope.
It often starts innocently:
“Since we are already developing the system, we could add just this one more feature.”
However, one requirement can affect other parts of the system, user permissions, the data model, integrations, and testing. The result may be not only a higher price, but also a more complicated solution that is harder for users to navigate. We explain in more detail how to keep project boundaries under control in the article How to Avoid Unnecessarily Complicating a Custom Software Project.
Start with the problem, not a list of features
One of the most common mistakes is to formulate requirements as ready-made technical solutions.
For example, a company may say:
- we need a dashboard,
- we want mobile notifications,
- we need an internal chat,
- we want exports in several formats.
However, the supplier first needs to understand why you require the feature in question.
| Required feature | Actual need |
| Graphical dashboard | Quickly see unprocessed orders |
| Mobile notifications | Alert sales representatives to new tasks |
| Export to PDF and XLSX | Send a regular report to accounting |
| Internal chat | Speed up order approval |
When the development team understands the problem, it can propose a simpler or more effective solution than the company originally envisioned.
For each proposed feature, therefore, ask three questions:
- What problem do we want to solve with it?
- Who will it help, and how often will they use it?
- Can the same result be achieved more simply?
You can find more practical recommendations in the article How to Describe Your Business Needs to an IT Specialist without IT Jargon.
Five criteria for setting priorities
Every feature should be evaluated according to the same criteria. This prevents the discussion from being based solely on personal preferences or on who advocates for their requirement the loudest.
1. Is it related to the project's main objective?
If the objective is to shorten order processing, priority should be given to features that directly speed up this process. Add-ons without a clear impact on orders can wait.
2. How often will it be used?
A feature used every day by ten employees generally has greater value than a feature used by one person a few times a year.
3. What benefit will it bring?
The benefit can take several forms:
- time savings,
- fewer errors,
- elimination of manual re-entry,
- faster customer service,
- better access to information,
- compliance with a legal or security requirement.
4. What happens if we postpone the feature?
Some features are essential for the system to function. Others can temporarily be replaced by an existing process without any serious impact.
5. How difficult is it to implement?
A feature may seem simple but require complex data integration, changes to several processes, or modifications to existing systems.
Requirements with high benefits and reasonable complexity generally have the highest priority.
Divide features into four groups
A simple division into “necessary” and “nice to have” is often not enough. It is more practical to work with four categories.
| Category | Decision question |
| Must have | Will the core process fail without it? |
| Should have | Will its absence cause a significant limitation? |
| Could have | Will it improve convenience without blocking the outcome? |
| Will not have now | Is its benefit unclear, or does it address an edge case? |
Must have
Without this feature, the system will not fulfil its main purpose, will not be secure, or cannot be used in practice.
Examples:
- recording and processing orders,
- access permissions,
- essential integration with the accounting system,
- processing data required by law.
Should have
The feature provides significant value, but the system can be used without it for a limited time. For example, it may automate an activity that can still be performed manually in the first phase.
Could have
The feature improves convenience or expands the system's capabilities, but does not have a fundamental impact on its main benefit.
Will not have now
This does not mean that the requirement is being rejected permanently. The company has simply made a deliberate decision not to include it in the current phase. Such a decision helps protect the budget and deadline while leaving room for future development.
What the first usable version should contain
In business software, the term MVP is often used to mean the first version with the smallest scope that already delivers value and can be validated in practice. However, MVP does not mean a low-quality or makeshift solution. Even the first version must be secure, reliable, and usable in real processes.
It should mainly include:
- the core business process that the software is intended to support,
- the necessary user roles and permissions,
- the required data and its migration,
- critical integrations,
- security and legal requirements,
- basic system administration and support.
For example, a service company does not need to develop extensive management reporting, a customer portal, and a mobile application in the first phase. It can first introduce a central register of jobs, assign them to technicians, and track their status. Once the team starts using the system, the company will obtain real data and feedback. It can then direct further investment toward features with a demonstrable benefit.
Don't know which requirements to include in the first phase?
A well-prepared list of features is just the beginning. Software analysis allows for the examination of your processes, user needs, integrations, and expected benefits.
Contact usDo not forget integrations and less visible requirements
When setting priorities, companies often focus only on what the user sees on the screen. However, technical and operational requirements can also be crucial to the system's functioning.
These include, for example:
- integration with an accounting or inventory system,
- migration of existing data,
- backups,
- an audit trail,
- security permissions,
- system availability and performance,
- exports required by business partners or legislation.
If the new software is to communicate with existing applications, the availability of data, interfaces, and technical documentation must be checked in good time. You can learn more about this topic in the article What Does Software and Systems Integration Actually Mean?
How to involve the team without losing control of the project
The people who work with the processes every day often know their weak points best.
They can identify:
- repetitive manual tasks,
- unnecessary re-entry of data,
- frequent errors,
- missing information,
- spreadsheets and workarounds created outside the official systems.
Their experience is important when designing the software. However, this does not mean that every requirement must automatically be included in development.
A proven approach includes:
- brief interviews with representatives of individual roles,
- jointly identifying the problems,
- recording requirements in a single list,
- evaluating them according to pre-agreed criteria,
- a final decision by the responsible person.
The company should appoint a project owner who understands its business objective and has the authority to decide on priorities. Without clear responsibility, the project can turn into a compromise between the requirements of individual departments.
What a prioritization table can look like
A simple table in Excel or Google Sheets is sufficient to start with.
| Requirement | Benefit | Phase |
| Central register of jobs | Fewer errors and a faster overview | 1 |
| Automatic invoicing data | Less manual work | 1 |
| Management dashboard | Faster report preparation | 2 |
| Mobile application | Greater convenience for field work | 2 |
| Internal chat | Current tool can be used | Exclude |
For each requirement, also record:
- the problem it solves,
- the users who need it,
- how often it will be used,
- the expected savings or benefit,
- the impact of postponing it.
A list prepared in this way is a better starting point for a discussion with an analyst or supplier than an extensive catalogue of features without an explanation of their significance.
Requirements may change, but changes must follow rules
It is unrealistic to expect that no new need will arise during development. The company may obtain new information, change a process, or identify a situation that was not visible at the outset.
However, every new requirement should go through the same decision-making process:
- What problem does it solve?
- Is it essential for the current phase?
- What impact does it have on the price and deadline?
- Will it affect parts of the system that have already been designed?
- What must be postponed if we include it now?
The decision to add a new feature is not merely a decision about the feature. It is a decision to change the project scope. If the change is implemented hastily or without regard to the system architecture, it may also create technical debt. This later results in more complicated modifications, more demanding maintenance, or a higher risk of errors.
Checklist before meeting the supplier
You do not need to have a complete technical specification before the first consultation. However, you should be able to answer the basic questions.
| Area | Čo si pripraviť |
| Objective | What should improve after the software is introduced? |
| Problems | Where do errors, delays, or manual work occur? |
| Users | Who will use the system, and how often? |
| Systems | What must the new solution integrate with? |
| Priorities | What can the first version not function without? |
| Constraints | What is the timeframe and budget? |
A more detailed software analysis will then help map the processes, verify assumptions, identify risks, and prepare a realistic scope for the solution.
A good scope is not created by cutting features, but by putting them in the right order
Prioritizing features does not mean that the company must give up its long-term ambitions.
It means setting the right order:
- first solve the main problem,
- validate the solution in real operation,
- obtain feedback from users,
- add further features according to demonstrated benefit.
Even a simpler first version can deliver significant savings if it accurately reflects the company's processes. Conversely, an extensive system full of rarely used features can be expensive, complicated, and impractical. Good software therefore does not start with a large number of features. It starts with a clear objective and an understanding of what the company really needs.
Frequently Asked Questions
A function is essential if, without it, the system cannot support a core process, fulfill an obligation, or deliver expected value. Security, integration, and regulatory requirements must also be taken into account.
There is no universal number. The first version should comprise the minimum scope that can be safely used and that already addresses the company's main problem.
Yes. However, every change should be assessed based on its benefits and its impact on the budget, schedule, architecture, and other functions.
Both management and future users should provide input. However, the final decision should rest with a single responsible person or a small steering team familiar with the project's goal.
