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