---
title: "WBS — App Overview"
url: https://marlvel.ai/apps/wbs
category: Business
developer: Binariver LTD
platforms: ios, android
rating: 4.1 (510 ratings)
pricing: free
report_level: overview
generated: 2026-04-29
last_verified: "2026-04-29T10:46:11.295Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** This is a straightforward, free utility focused on the specific methodology of Work Breakdown Structures for project planning and cost estimation.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Business |
| Rating | 4.1 ★ (510) |
| Pricing | free |
| Platforms | iOS, Android |
| Latest Version (iOS) | 2.1 |
| Latest Version (Android) | 25.12.1982 |
| Developer | Binariver LTD |

<!-- SECTION: Summary -->
## What is WBS?

WBS is a project management tool designed for hierarchical task decomposition and product cost estimation. It enables users to organize complex projects into manageable, deliverable-oriented structures using a decimal outline format.

<!-- SECTION: Key Features -->
## Key Features

- **Hierarchical Tree Structure**: Organizes projects into unlimited levels of elements and sub-elements using a decimal outline format.
- **Gesture-Based Navigation**: Allows users to indent or outdent elements and manage visibility using swipe left and right gestures.
- **Fold/Unfold Functionality**: Enables collapsing parent elements to hide sub-elements for better workspace management.
- **Cost Calculation**: Calculates product costs based on defined quantities per unit and cost per unit inputs.

<!-- SECTION: Target Audience -->
## Who is it for?

Project managers and team leads requiring a structured, hierarchical approach to task breakdown and cost calculation.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/wbs/id6444103252?uo=4)
- [Google Play](https://play.google.com/store/apps/details?id=org.worldbibleschool.fullapp&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/apps/wbs)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/wbs).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*