Due to their expanded methods, agile methodologies are now the accepted standard for software development. Collaboration, addressing changing requirements with workable software, and simple design are just a few aspects of typical techniques. By employing the aforementioned approaches, these methods handle the issue of variable requirements. As a result, these methods lower the cost of changes at a later point in the software development process. Due to the unpredictability in requirements, such methodologies do not hold up well for an early estimate of size, cost, and timeframe. Agile techniques, it has been noticed, relies on expert analysis and prior project information to estimate cost, complexity, and time. Such approaches, it has been discovered, do not take into account the critical aspects affecting the project’s cost, complexity, and timeframe when estimating. Based on predefined estimation methods including analogy and planning poker becomes unexpected in the lack of historical data and professionals. As a result, there is a pressing need to develop a simple computational solution that takes into account the factors which influence project budget, complexity, and timeframe. It also serves as a foundation for unskilled practitioners to make a better accurate estimation. The research of both traditional and agile estimate techniques with a comparability of concepts and variations is presented in this work. We looked into a few key elements that influence the estimation of an agile project with lower, moderate, and higher scalability factors. Integrating critical aspects is also recommended using the Constructive Agile Estimation Algorithm (CAEA).