Head to head
SocialBu vs Zernio
Last updated 15 October 2026
SocialBu
SocialBu offers publishing across twelve networks, with inbox, listening, approvals and automation on Growth and Agency. Its current paid lineup is Starter, Growth and Agency, and API/MCP access is documented.
- From
- Limited free credits; confirm paid offer
- Free scheduling
- No
Zernio
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, and it's the only one of the two with a free scheduling plan. SocialBu fits small businesses and agencies who want scheduling plus automation 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.
- Zernio has a free scheduling plan; SocialBu doesn't, though a trial is advertised.
- SocialBu posts to 12 networks, Zernio to 15.
- Only Zernio reaches Snapchat and Telegram.
Features compared
| Feature | SocialBu | Zernio |
|---|---|---|
| AI captions | Yes | Not assessed |
| Basic analytics | Yes | Not assessed |
| Advanced reports | Yes | Not assessed |
| Bulk upload | Yes | Not assessed |
| Evergreen recycling | Partial | Not assessed |
| Team roles | Yes | Not assessed |
| Approvals | Yes | Not assessed |
| Link in bio | Not assessed | Not assessed |
Platforms compared
| Network | SocialBu | 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 |
| Auto | Auto | |
| Snapchat | No | Auto |
| Telegram | No | Auto |
| 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.
SocialBu
Free
Free
- Seats
- 1
- Accounts
- 3
- Scheduled posts
- 10
- Ten lifetime posts; three social accounts
Starter
$29a month
- Seats
- 1
- Accounts
- Not confirmed
- Scheduled posts
- 750
- USD29 monthly; annual offer and account allowance conflict across official sources
- No teams, inbox or listening
Growth
$79a month
- Seats
- 4
- Accounts
- 20
- Scheduled posts
- 3000
- Twenty accounts, four team members, five teams
- Inbox, listening, approvals and automation
Agency
$199a month
- Seats
- 8
- Accounts
- 50
- Scheduled posts
- 100000
- Fifty accounts, eight team members, twenty teams
- App-limit help specifies 100,000 posts/month despite marketing unlimited label
Custom
Custom
- Seats
- Unlimited
- Accounts
- Unlimited
- Custom plans for agencies and large teams, priced on request
- Current new-customer plans are Free, Starter, Growth and Agency; Standard/Super/Supreme are not the current public lineup.
- Monthly USD29/79/199 agrees across pricing and current help. Annual marketing totals USD261/711/1791 conflict with app-configuration help USD290/790/1990; confirm your offer.
- Starter marketing says eight accounts, current help six. Agency help specifies 100,000 monthly posts. Disputed values are not used in automatic comparisons.
- Growth/Agency include 5/10 listening streams and 5,000/20,000 matched items monthly. API and MCP are on paid plans; not Free.
- The free ten-post allowance is lifetime, not a renewing free scheduling quota. It is excluded from recurring-free-plan comparisons.
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
SocialBu
- Twelve supported social networks
- API and MCP on paid plans
- RSS/webhook automation on Growth and Agency
- Limited free entry allowance of ten lifetime posts
- Official annual pricing and some limits conflict
- Starter lacks team collaboration, inbox and listening
- Automation, AI and listening allowances vary by plan
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.
SocialBu vs Zernio: FAQ
- Is SocialBu 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 SocialBu or Zernio have a free plan?
- Zernio has a free plan; SocialBu does not, though a trial is advertised.
- Which is better, SocialBu or Zernio?
- SocialBu is the stronger pick for small businesses and agencies who want scheduling plus automation, 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.