Using
Momen · full-stack no-code platform
to build
a workflow management system for business teams
PROJECT OVERVIEW
What this app does
This project is a complete workflow management system for business teams. Administrators can define ordered workflows, while members can create work items, review their queues, advance work through valid stages, and inspect transition history; administrators can also monitor work across their organization.
As a workspace member, I want to view my work queue so that I can identify items requiring attention
As a workspace member, I want to create a work item from an active workflow so that work can begin
As a workspace member, I want to advance a work item to its next valid stage so that the process can continue
As a workspace member, I want to review a work item's transition history so that I can understand its progress
As a workspace administrator, I want to create workflow definitions and ordered stages so that members can use them
As a workspace administrator, I want to monitor all work items in my organization so that I can oversee operations
The following user counts are projected totals after one year of growth
450
workspace_members
Registered operational users who create, review, and progress work items.
50
workspace_admins
Registered administrators who define workflows and monitor organization-wide work.
COST BREAKDOWN
How your requirements become a plan and a price
Momen doesn't give a vague quote: it first sizes the project's actual demand for each capability and resource, then costs each item out. The numbers in the 'Project demand' column below — their scale assumptions and derivations — are detailed in Scale & sizing
Multiple organizational workflows require BASIC capacity
See the capability-by-capability assessment ▾
ALLOWANCE PROVIDED (COMPOSITION)
Basic is the minimum viable plan
See minimum viable plan above
not purchased
(plan/kit 5 req/s)
Covered by plan/kit (margin ~150%)
Database storage add-on
x 1
10GB × 1/year, amortized monthly
(plan/kit 200.00 MB + add-on +33.49 MB)
Add-on fills +33.49 MB gap beyond plan/kit
not purchased
(plan/kit 2.00 GB)
Outbound data transfer add-on
x 0
not purchased
(plan/kit 2.00 GB/mo)
not purchased
(plan/kit 1.0M points)
Monthly total
plan + add-ons · usage-based · no development cost
WHY MOMEN
Your options for this project
In the table below, the 'monthly infrastructure' for the self-built / AI routes is derived from the AWS list prices shown below, sized against this project's actual usage. Figures cover infrastructure and operations only — AI usage is billed separately and excluded here, so they don't match the $47.33/mo all-in above.
2 × t4g.large × 730h
EC2 t4g.large → 98.11
2 × db.m6g.large (Multi-AZ) × 730h
RDS PostgreSQL db.m6g.large → 232.14
0.23 GB-month
RDS gp3 storage → 0.03
0.00 GB-month
S3 Standard → 0
0.00 GB (first 100GB free)
Internet egress → 0
Total ≈ $330.28 / mo
Pure cloud resources
MONTHLY CLOUD INFRA ($/MO)
MONTHLY TOTAL (INFRA + OPS, EXCL. AI USAGE)
Traditional outsourcing / build in-house
≈ $330
Based on the AWS estimate above
≈ $2,330
Infra $330 + ops ~$2,000
≈ $330
Based on the AWS estimate above
≈ $1,830
Infra $330 + ops ~$1,500
≈ $330
Based on the AWS estimate above
≈ $1,830
Infra $330 + ops ~$1,500
Off-the-shelf SaaS / vertical solution
N/A
Priced per seat, not by cloud infra
≈ $16,000+
Per-seat pricing, tens of thousands of users
$47
All-in: egress / storage / auto-scaling; excludes AI usage
Infrastructure cost is unavoidable
Servers, databases, traffic and storage are inherent infrastructure costs for this project — you pay them whether you outsource, use Cursor or Lovable, or build it yourself (self-built runs ≈ $330.28/mo at AWS list prices, often more), on top of the dev and ops staff you'd need to hire. Momen bundles all of it into $0/mo all-in and removes the need for an ops team.
Vibe-coding speed + a production-grade backend
The frontend can be generated with AI tools (Cursor, Lovable, etc.); the hard part is the backend — auth, database, scaling, data security and ops. Momen delivers a production-grade backend as a BaaS: keep the vibe-coding speed on the frontend, while the backend runs on proven infrastructure — reliable, with no self-hosting or ops.
SCALE & SIZING
What scale this estimate assumes, and how the numbers are derived
Cost depends heavily on usage volume. First see the key assumptions and business scenarios this estimate uses, then the full calculation derived from each scenario for every resource — all adjustable to your real situation
500
Total users
We assume 500 registered accounts because the requested product is best treated as an outward business workflow SaaS, and that category typically has a modest mature account base when no explicit user or transaction volume is provided. Anonymous visitors are not included because the stated scope is an authenticated operational system rather than a public content site. If your actual customer count or seats per customer differs, this parameter can be adjusted accordingly.
225
Data retention period
We assume 225 effective accumulation days because a newly launched business workflow SaaS typically grows steadily as organizations and users are onboarded rather than starting with a full pre-existing dataset. This represents standard linear product adoption over the first year. If the launch includes a full pre-existing dataset or a concentrated recent rollout, this parameter can be adjusted accordingly.
Workday Start Queue Review
Routine Workday Processing
We assume queue and oversight checks form a distinct 900-second scenario because a shared workday start, morning stand-up, or shift handover typically concentrates authenticated users into a short period. Personal queue review and administrator oversight are separated into independent purposes because they use different views, populations, and core actions. The scenario occurs on 22 weekdays per month. If the workforce is distributed across many time zones, the window can be widened accordingly.
Main impact: Peak Concurrency
The scenarios above set the assumptions for each resource; below is the full calculation derived from them. Click to expand each item.
Peak Concurrency
1.47 req/s
Database Storage
222.67 MB
Outbound data transfer
0 GB
DEVELOPMENT SCOPE
How this app works
What exactly does this budget support? Broken down by business scenario, showing the pages, data tables, automation flows and AI assistant behind each one
review_personal_work
A member reviews owned work and inspects the details and history of one item.
create_new_work
A member selects an active workflow and creates a new work item.
progress_work_item
A member reviews a work item and advances it to the next valid workflow stage.
configure_workflow
An administrator reviews existing workflows and creates a new staged workflow.
monitor_workflow_operations
An administrator filters organization-wide work and investigates an individual item's history.
My Work Queue
Displays the current member's work items and supports routine queue filtering.
New Work Item Page
Provides the form for creating a work item from an active workflow definition.
Work Item Detail Page
Shows one work item, its history, and the control for moving it through the workflow.
Workflow Setup Page
Allows administrators to review and create workflow definitions with ordered stages.
Workflow Operations Page
Provides administrators with an organization-wide queue for monitoring workflow activity.
FAQ
What you might want to know about this project
The Q&A below is generated by AI based on this project's type, features and scale
What most affects resource usage in this workflow system?
What workflow capabilities are included in the MVP?
Does this system require third-party services or AI?
Made and hosted in the United States. 🇺🇸
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