Head to head
Postly vs Zernio
Last updated 15 October 2026
Postly sells paid channel-based publishing plans with a 14-day no-card trial. Its current USD 16 display is an annual monthly equivalent for five channels, and AI Studio image/video capacity costs extra.
- From
- Check current price
- Free scheduling
- No
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. Postly fits creators and small agencies who want wide coverage cheaply 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; Postly doesn't, though it offers a 14-day trial.
- Postly posts to 14 networks, Zernio to 15.
Features compared
| Feature | Postly | Zernio |
|---|---|---|
| AI captions | Yes | Not assessed |
| Basic analytics | Yes | Not assessed |
| Advanced reports | Not assessed | Not assessed |
| Bulk upload | Yes | Not assessed |
| Evergreen recycling | Partial | Not assessed |
| Team roles | Yes | Not assessed |
| Approvals | Yes | Not assessed |
| Link in bio | Yes | Not assessed |
Platforms compared
| Network | Postly | 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 | Not confirmed | Auto |
| Telegram | Auto | Auto |
| WordPress | 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.
Postly
Pro
PopularCheck current monthly price; annual billing starts at USD 192/year for five channels
- Seats
- Unlimited
- Scheduled posts
- Unlimited
- Five-channel minimum; USD 192/year for five channels
- Annual monthly equivalents: USD 3.20/channel for 1-10, 1.60 for 11-100 and 0.80 for 101+
- Unlimited posts, team members and workspaces; API and MCP included
- AI Studio image/video capacity is a separate paid add-on
Enterprise
Check current configuration and billing price
- Accounts
- 25
- Enterprise Core includes 25 channels; configuration and governance options change the bill
- The current 14-day trial needs no card and ends with a paid-plan choice; no automatic charge.
- Pro displays USD 16/month equivalent, billed USD 192/year for five channels. This is not a flexible monthly quote.
- Annual channel bands are marginal; each rate applies only to channels in its band. The current flexible monthly tariff was not captured.
- Legacy and lifetime customers may retain separate arrangements; the current trial does not establish loss of existing allowances.
- AI Studio images and video are a separate paid add-on.
- Optional annual-billed add-ons: AI Studio $288/year per stack (100 images and 16 video seconds monthly); X-Pro $288/year per managed account (250 weighted credits monthly; link posts cost 14 credits, standard/media posts one). Enterprise Core displays $2,870.40/year for 25 channels before governance options and $1,500 onboarding.
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
Postly
- Unlimited team members and workspaces on Pro
- API and MCP included in the publishing plan
- 14-day trial without a card
- Five-channel minimum on the standard Pro configuration
- AI Studio images and video need a separate add-on
- Displayed annual equivalents must be separated from flexible monthly prices
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.
Postly vs Zernio: FAQ
- Is Postly 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 Postly or Zernio have a free plan?
- Zernio has a free plan; Postly does not, though it offers a 14-day trial.
- Which is better, Postly or Zernio?
- Postly is the stronger pick for creators and small agencies who want wide coverage cheaply, 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.