---
title: Overflow.io Reviews
meta_title: 'Overflow.io Reviews 2026: Details, Pricing, & Features | G2'
meta_description: Filter 17 reviews by the users' company size, role or industry to
  find out how Overflow.io works for a business like yours.
aggregate_rating:
  rating_value: 3.9
  review_count: 17
  scale: '5'
date_modified: '2026-07-07'
parent_category:
  name: Design
  url: https://www.g2.com/categories/design
---

# Overflow.io Reviews
**Vendor:** Proto.io  
**Category:** [Diagramming Software](https://www.g2.com/categories/diagramming)  
**Average Rating:** 3.9/5.0  
**Total Reviews:** 17
## About Overflow.io
Overflow is the world’s first user flow diagramming tool tailored for product design teams. It offers a new, impactful way for designers to effectively communicate their work, while fully engaging their audience with an interactive user flow presentation.





## Overflow.io Discussions
  - [What is Overflow.io used for?](https://www.g2.com/discussions/what-is-overflow-io-used-for)

- [View Overflow.io pricing details and edition comparison](https://www.g2.com/products/overflow-io/reviews?page=2&section=pricing&secure%5Bexpires_at%5D=2026-07-21+08%3A01%3A17+-0500&secure%5Bsession_id%5D=446de649-a2af-4381-827f-528d06e0cc9a&secure%5Btoken%5D=e77b86c604393a6fad090a4d8682d421ab39cc683a49dc7245207488160f8d4e&format=llm_user)


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