DemandSphere vs Writesonic
Both publish their pricing. Below is what each vendor states on its own site, read on 4 Aug 2026.
| DemandSphere | Writesonic | |
|---|---|---|
| Entry price | from $79/mo | from $79/mo |
| Top published plan | Entry at $79/mo | Growth at $399/mo |
| Engines listed | ChatGPT, Perplexity, Gemini, Microsoft Copilot, Google AI Overviews, Google AI Mode | ChatGPT, Gemini, Google AI Overviews, Perplexity, Claude, Microsoft Copilot, Grok, DeepSeek, Meta AI, Google AI Mode |
| Engine count | 6 | 10 |
| Free access | None published | Trial only |
| Category | SEO suites | SEO suites |
What each one is
DemandSphere
Search visibility platform that tracks classic SERP rankings and AI answer citations in one place, priced on tracking volume.
Writesonic
AI search visibility tracking bundled with content agents that write, audit and optimize to close visibility gaps.