Overflow.io vs. Pencil
A side-by-side comparison based on G2 review data.
| Metric | Overflow.io | Pencil |
|---|---|---|
| Overall rating | 3.9 | 4.0 |
| Review count | 17 | 20 |
| Ease of use | 8.6 | 8.7 |
| Ease of setup | 7.1 | 9.5 |
| Quality of support | 8.3 | 7.4 |
| Meets requirements | 9.0 | 8.4 |
| NPS | 23.529412 | 35 |
| Small Business | 47.1% | 65.0% |
| Mid-Market | 17.6% | 25.0% |
| Enterprise | 35.3% | 10.0% |
| Total page views | 46 | 109 |
| Total LLM citations | 63 | 1,011 |
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.
Pencil
An open-source GUI prototyping tool that's available for ALL platforms.