Head to head
Buffer vs Zernio
Last updated 15 October 2026
Buffer offers a free three-channel plan with ten queued posts per channel, plus per-channel paid plans. It suits a solo publishing routine; teams should check its client-access limitations before using one organization for separate clients.
- From
- Free
- Free scheduling
- Yes
Developer-oriented scheduling and publishing API with a calendar, queues, MCP and per-connected-account pricing.
- From
- Free
- Free scheduling
- Yes
Bottom line
Zernio is the pick for developers building social publishing into an app. Buffer fits solo creators better.
A verified price comparison requires the same billing term, currency and eligible workload. See each pricing section for the published terms.
Key differences
Where the two actually diverge, before the full tables.
- Buffer posts to 12 networks, Zernio to 15.
Features compared
| Feature | Buffer | Zernio |
|---|---|---|
| AI captions | Yes | Not assessed |
| Basic analytics | Yes | Not assessed |
| Advanced reports | Partial | Not assessed |
| Bulk upload | Yes | Not assessed |
| Evergreen recycling | No | Not assessed |
| Team roles | Yes | Not assessed |
| Approvals | Yes | Not assessed |
| Link in bio | Yes | Not assessed |
Platforms compared
| Network | Buffer | Zernio |
|---|---|---|
| Auto | Auto | |
| Auto | Auto | |
| X (Twitter) | Auto | Auto |
| Auto | Auto | |
| TikTok | Auto | Auto |
| Auto | Auto | |
| YouTube | Auto | Auto |
| Threads | Auto | Auto |
| Bluesky | Auto | Auto |
| Google Business | Auto | Auto |
| Mastodon | Auto | Not assessed |
| Not assessed | Auto | |
| Snapchat | Not assessed | Auto |
| Telegram | Not assessed | Auto |
| Substack Notes | Auto | Not assessed |
| Discord | Not assessed | Auto |
| Not assessed | Auto |
Pricing
Prices use each tool’s billing unit. Annual equivalents are labeled as billed yearly; scaling rows show monthly costs and available annual rates.
Free plan available.
- 1 channel · Essentials
- $6/mo~$5/mo annual
- 9 channels · EssentialsTypical
- $54/mo~$45/mo annual
Lowest priced plan at each shown workload. Check the plan's included features before choosing it.
Buffer
Free
- Seats
- 1
- Accounts
- 3
- Scheduled posts
- 10
- 3 connected channels
- 10 scheduled posts waiting per channel, replenished after publication
- One user; unlimited drafts
Essentials
Popular$5 per channel a month billed annually
- Seats
- 1
- Accounts
- 1
- Scheduled posts
- Unlimited
- $6 per channel/mo, $5 on annual
- Analytics
- Engagement tools
Team
$10 per channel a month billed annually
- Seats
- Unlimited
- Accounts
- 1
- Scheduled posts
- Unlimited
- $12 per channel/mo, $10 on annual
- Unlimited team members
- Approvals
- Free has three channels and ten queued posts per channel at a time. It is not a ten-post monthly allowance.
- Paid plans charge for every connected channel, including the original free three. Rates above ten channels are marginal volume bands.
- The annual figures are monthly equivalents of annual channel tariffs; the yearly Essentials rate for channels 51+ is $20, not twelve times its $1 monthly rate.
- Paid scheduling is subject to a 5,000 queued-post fair-use ceiling per channel. Prices exclude applicable taxes.
What it really costs
Monthly cost by channel count. Per-unit tiers grow with usage; flat tiers keep their whole-plan price within the published allowance, with the 9-channel row marked as a realistic setup.
| channels | Essentials | Team |
|---|---|---|
| 1 | $6/mo | $12/mo |
| 3 | $18/mo | $36/mo |
| 5 | $30/mo | $60/mo |
| 9Typical | $54/mo | $108/mo |
| 10 | $60/mo | $120/mo |
| 25 | $120/mo | $180/mo |
| 50 | $195/mo | $255/mo |
Monthly billing. Volume discounts lower the per-channel rate at higher counts. Annual billing takes about 2 months off.
Zernio
Build
First 2 accounts free; 10-account example is $48/month; currency and full graduated rates unconfirmed
- X API usage billed separately
- Previously called Late. The official rebrand says the product and infrastructure are unchanged.
- The first two accounts are free. The current example charges $48/month for ten accounts. X API usage is charged separately.
- Usage-based per account; pricing example: 10 accounts = 2 free + 8 × $6 = $48/month. Graduated rates beyond 10 not verified. X API usage passed through separately.
- The checked vendor pages show a dollar symbol without an explicit currency code. Paid comparison amounts remain unverified.
- The scheduler also supports messaging destinations. Discord, WhatsApp and Telegram are messaging channels, rather than public social feeds.
Pros and cons
Buffer
- Free three-channel plan with replenishing queues
- Wide network coverage including Substack Notes
- Paid plan volume bands and Team approvals
- API/MCP and automation integrations
- Per-channel pricing adds up quickly
- CSV import supports text and single images; create videos and carousels in the composer
- No evergreen recycling
- Analytics are basic
Zernio
- API-first infrastructure for builders, with social, messaging and blog surfaces; do not equate all supported surfaces to social feeds.
- X API usage costs extra.
- The full graduated pricing table and dollar currency need confirmation.
Buffer vs Zernio: FAQ
- Is Buffer or Zernio cheaper?
- A verified price comparison is unavailable for these configurations. Check the current billing term, currency, required capacity and plan features before comparing totals.
- Does Buffer or Zernio have a free plan?
- Both have a free plan, so you can try either one before paying.
- Which is better, Buffer or Zernio?
- Buffer is the stronger pick for solo creators, while Zernio is the better fit for developers building social publishing into an app. We don't score them; the right call comes down to how you post.