Before ordering system development: "Sakitsuku" releases, offering free prototypes within 2 weeks
MockUp Inc. launched "Sakitsuku," a service providing free working prototypes within 2 days to eliminate mismatches before ordering system development.
📋 Article Processing Timeline
- 📰 Published: April 7, 2026 at 20:00
- 🔍 Collected: April 7, 2026 at 11:30
- 🤖 AI Analyzed: April 21, 2026 at 03:54 (328h 24m after Collected)
MockUp Inc. (Location: Tokyo, Representative: Ryutaro Koyama) officially released "Sakitsuku" (https://saki-tsuku.com/) in March 2026, a service that creates and provides prototypes for free before officially ordering system development.
## Background of Service Creation
Most of the concerns clients have in system development can be summarized into three points: "inability to judge the development company's technical skills in advance," "taking months just for requirements definition," and "the finished product differing from the imagined image." The root cause of all these is the lack of a "working product" at the decision-making stage.
Sakitsuku was born from the idea of eliminating the mismatch between clients and contractors by first building and showing a product.
## Service Features
Following a flow of "Application -> Consultation -> Prototype Release -> Business Negotiation," we deliver the prototype's URL in as little as 2 business days from the consultation. The prototype is completely free, and if you don't like it, the process ends there. No costs are incurred.
If you proceed to main development, estimates are based on the created prototype, significantly reducing the risk of "images misaligning due to communicating only with words."
Additionally, if you wish to migrate the prototype directly to a production environment, we offer a buyout option for 300,000 yen, which includes server migration costs.
## Recommended For
We highly recommend this to corporate clients considering internal DX or implementing business systems but unsure which development company to choose, or those who have previously experienced "the final product differing from the imagined." We also welcome consultations like "Can this be systematized?" regarding generative AI utilization or business automation.
## Comment from Representative Director Ryutaro Koyama
With the recent evolution of AI, the speed of new development has increased dramatically, making a business model that delivers free prototypes viable.
Until now, it was normal in system development that "you don't know until you order," but we want to prove our technical capabilities by building first. With Sakitsuku, you can experience not only the prototype but also the interaction with the development team for free. Please come and experience the team's atmosphere and workflow before placing an order.
## Background of Service Creation
Most of the concerns clients have in system development can be summarized into three points: "inability to judge the development company's technical skills in advance," "taking months just for requirements definition," and "the finished product differing from the imagined image." The root cause of all these is the lack of a "working product" at the decision-making stage.
Sakitsuku was born from the idea of eliminating the mismatch between clients and contractors by first building and showing a product.
## Service Features
Following a flow of "Application -> Consultation -> Prototype Release -> Business Negotiation," we deliver the prototype's URL in as little as 2 business days from the consultation. The prototype is completely free, and if you don't like it, the process ends there. No costs are incurred.
If you proceed to main development, estimates are based on the created prototype, significantly reducing the risk of "images misaligning due to communicating only with words."
Additionally, if you wish to migrate the prototype directly to a production environment, we offer a buyout option for 300,000 yen, which includes server migration costs.
## Recommended For
We highly recommend this to corporate clients considering internal DX or implementing business systems but unsure which development company to choose, or those who have previously experienced "the final product differing from the imagined." We also welcome consultations like "Can this be systematized?" regarding generative AI utilization or business automation.
## Comment from Representative Director Ryutaro Koyama
With the recent evolution of AI, the speed of new development has increased dramatically, making a business model that delivers free prototypes viable.
Until now, it was normal in system development that "you don't know until you order," but we want to prove our technical capabilities by building first. With Sakitsuku, you can experience not only the prototype but also the interaction with the development team for free. Please come and experience the team's atmosphere and workflow before placing an order.