Buffer vs Post Planner
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Buffer is the stronger AI pick in Social Media Management: it has a visibility score of 57.6 versus 0.6 for Post Planner, and ranks ahead in 100% of the answers that name both.
Choose Buffer if…
- You want the brand AI engines rank higher (57.6 vs 0.6)
- You want a lower entry price ($5 vs $14)
- You prefer a larger, established vendor (51–200 employees)
- Per seat pricing suits your budget better than flat tiers
Choose Post Planner if…
- Flat tiers pricing suits your budget better than per seat
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Buffer | Post Planner |
|---|---|---|
| Visibility score | 57.6% | 0.6% |
| Change vs last week | New | New |
| Rank in Social Media Management | #1 | #36 |
| Share of voice | 11.4% | 0.1% |
| Mentions this run | 63 | 1 |
| Positive in AI answers | 58% | — |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Buffer 0pp · Post Planner 0pp over 0 weekly runs.
Engine by engine
Buffer leads on 3 of 3 engines
Head to head in AI answers
1 engine answers name both brands
| Prompt | Engine | Buffer | Post Planner |
|---|---|---|---|
| How do companies schedule and measure social posts without a dedicated tool? | Perplexity | #4 | #5 |
Features, pricing & fit
| Dimension | Buffer | Post Planner |
|---|---|---|
| Pricing model | Per seat | Flat tiers |
| Entry price | Free; paid from $5 per seat / mo | Free; paid from $14 / mo |
| Free plan | Yes | Yes |
| Deployment | Cloud-based (SaaS) | — |
| Integrations | — | 10+ |
| Support | Help Center, Email support, Discord community, Human support team across time zones | Email, In-app chat |
| Founded | 2010 | 2011 |
| Headquarters | San Francisco, California, USA | San Francisco, California, US |
| Employees | 51–200 | 1–10 |
| Funding | Series A · $4M raised | — |
| Best for | Creators, brands and agencies that post across many social channels and want flexible per-channel pricing | Solopreneurs, small businesses and small teams |
Plans side by side
Buffer
Post Planner
Pros and cons
Themes from the AI answers that mention each brand
Buffer
- simple, user-friendly scheduling and publishing
- affordable, cost-effective paid plans
- generous free plan
- transparent, clear pricing
- popular with solo creators, small businesses and startups
- free plan limited to 3 channels and 10 posts per channel, solo use only
- limited analytics and no deep enterprise features
- annual billing savings can be limited or absent
Post Planner
Profile in progress.
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Buffer vs Post Planner”, https://slateindex.ai/compare/buffer-vs-post-planner, data of Nov 2, 2026. Licence: CC BY 4.0.