Post PlannerSocial media scheduler for publishing curated content
vs
SemrushThe unified SEO and AI search solution
Comparison · Social Media Management · weekly run Nov 2
Post Planner vs Semrush
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Post Planner is the stronger AI pick in Social Media Management: it has a visibility score of 0.6 versus 0.4 for Semrush.
Choose Post Planner if…
- You want the brand AI engines rank higher (0.6 vs 0.4)
- You want a lower entry price ($14 vs $139)
Choose Semrush if…
- You prefer a larger, established vendor (1,001–5,000 employees)
- Widely recommended as a top-tier all-in-one platform for broad suites
- Strong keyword research, competitor analysis, and site auditing
- Strongest overall all-in-one SEO choice for most businesses
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Post Planner | Semrush |
|---|---|---|
| Visibility score | 0.6% | 0.4% |
| Change vs last week | New | New |
| Rank in Social Media Management | #36 | #37 |
| Share of voice | 0.1% | 0.2% |
| Mentions this run | 1 | 1 |
| Positive in AI answers | — | 49% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Post Planner 0pp · Semrush 0pp over 0 weekly runs.
Engine by engine
Post Planner leads on 1 of 3 engines
ChatGPT
AI Mode
Perplexity
Post PlannerSemrush
Head to head in AI answers
0 engine answers name both brands
0Post Planner ranked higher
0Semrush ranked higher
Features, pricing & fit
| Dimension | Post Planner | Semrush |
|---|---|---|
| Pricing model | Flat tiers | Flat tiers |
| Entry price | Free; paid from $14 / mo | Free; paid from $139 / mo |
| Free plan | Yes | Yes |
| Integrations | 10+ | — |
| Support | Email, In-app chat | Help Center and Basic Onboarding, Enterprise SLA and 24/7 support, Dedicated account manager |
| Founded | 2011 | 2008 |
| Headquarters | San Francisco, California, US | Boston, MA |
| Employees | 1–10 | 1,001–5,000 |
| Funding | — | IPO |
| Best for | Solopreneurs, small businesses and small teams | Freelancers and small businesses through to agencies and enterprises managing multiple brands, regions and teams. |
Plans side by side
Post Planner
Free$0month
Starter$14month (or $9/mo billed annually, $108/year)
Growth$59month (or $39/mo billed annually, $468/year)
Business$99month (or $69/mo billed annually, $828/year)
Agency$179month (or $119/mo billed annually, $1,428/year)
Agency + 50$329month (or $219/mo billed annually, $2,628/year)
Agency + 3 * 50$629month (or $419/mo billed annually, $5,028/year)
Semrush
Free$0month
SEO$139month
Starter SEO + AI Search$199month
Pro+ SEO + AI Search$299month
Advanced SEO + AI SearchCustomcustom
EnterpriseCustomcustom
Pros and cons
Themes from the AI answers that mention each brand
Post Planner
Profile in progress.
Semrush
- Widely recommended as a top-tier all-in-one platform for broad suites
- Strong keyword research, competitor analysis, and site auditing
- Strongest overall all-in-one SEO choice for most businesses
- Good value with discounts on annual billing and free trial
- Useful AI search visibility and rank tracking
- Pricing is high, with enterprise-style suites costing around $100 or more per month
- Less comprehensive than Ahrefs for backlinks in some comparisons
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Post Planner vs Semrush”, https://slateindex.ai/compare/post-planner-vs-semrush, data of Nov 2, 2026. Licence: CC BY 4.0.