Blooio vs Zernio
Compare Blooio and Zernio side by side: iMessage features, channels, developer tools, pricing and compliance, checked on each provider's own site.
Blooio
One API for iMessage, WhatsApp and Apple Messages
- Starting price
- $39/month (Starter, shared number)
- Free plan
- Free trial: 20 messages total on a shared number, no credit card
Zernio
One API for iMessage, SMS, WhatsApp, social DMs and calls
- Starting price
- $200/month per iMessage sender
- Free plan
- First 2 connected accounts free; free iMessage sandbox on a shared line
Blooio supports 60 of the 77 features compared here, and Zernio supports 57.
Where Blooio is ahead
- Polls
- Chat backgrounds
- iMessage apps
- FaceTime calls
- iMessage availability check
- Focus and Notify Anyway
- Line pooling
- Apple Messages for Business
and 3 more in the table below.
Where Zernio is ahead
Feature comparison
| Feature | ||
|---|---|---|
| iMessage messaging | ||
| iMessage | ||
| Group chats | ||
| Group management | ||
| Group name and photo | ||
| Mentions | Not listedA guide index lists mentions, but no mention field is documented. | Not listed |
| Tapbacks | ||
| Threaded replies | ||
| Typing indicators | ||
| Read receipts | ||
| Edit and unsend | Not listed | |
| Message effects | ||
| Animated text effects | Not listed | Not listed |
| Stickers | Not listed | |
| Formatted text | ||
| Attachments | ||
| Live Photos | Not listed | Not listed |
| Rich link previews | ||
| Voice messages | ||
| Contact cards | Not listedAttachments accept other files, but .vcf is not named. Name and Photo cards are documented. | |
| Polls | Not listed | |
| Chat backgrounds | Not listed | |
| Location sharing | ||
| iMessage apps | Not listed | |
| Live app cards | Not listed | |
| Sender name and photo | ||
| FaceTime calls | Not listedInbound FaceTime attempts show in the thread as call-typed messages. No calling documented. | |
| Delivery status | ||
| iMessage availability check | Not listed | |
| Focus and Notify Anyway | Not listed | |
| Numbers and delivery | ||
| Managed lines | ||
| Dedicated numbers | ||
| Shared numbers | ||
| Bring your own number | ||
| Line pooling | Not listedOne sender per profile; docs suggest spreading contacts across senders by hand. | |
| SMS fallback | ||
| RCS fallback | ||
| Outbound-first messaging | ||
| Calls on the iMessage number | ||
| Other channels | ||
| SMS | ||
| RCS | ||
| Telegram | Not supportedNot offered | |
| Slack | Not supported | |
Not supportedNot offered. iMessage can be sent to email handles. | Not supportedNot offered as a channel. iMessage senders can use an email handle. | |
| Phone calls | ||
| Apple Messages for Business | Not supportedNot offered | |
| Unified channel API | ||
| Developer tools | ||
| REST API | ||
| TypeScript SDK | ||
| Python SDK | ||
| Other SDKs | ||
| CLI | Not listed | |
| Webhooks | ||
| Signed webhooks | ||
| MCP server | ||
| Open source | ||
| Self-hosting | Not supportedHosted cloud service only | |
| Local testing | Not listed | Not listedThe free sandbox still needs your own phone or Apple ID. |
| Custom channel providers | Not listed | |
| Event replay | ||
| OpenTelemetry | Not listed | Not listed |
| No-code integrations | ||
| CRM integrations | ||
| Built for AI agents | ||
| Agent framework | ||
| Agent framework integrations | ||
| Streaming replies | Not listed | |
| Agent group chats | Not listed | Not listed |
| Human handoff | ||
| Audit logs | ||
| Message history API | ||
| Plans and compliance | ||
| Free plan | ||
| Public pricing | ||
| No per-message fees | ||
| Uptime SLA | Not listedSite states 99.97% uptime; no contractual SLA found. | |
| Isolated infrastructure | Not listed | |
| SOC 2 Type II | ||
| GDPR |
Checked on each provider's own site and docs on 2026-10-25. “Not listed” means the provider does not mention it.
Pricing
Blooio
A free trial with 20 messages, shared plans at $39 and $89 a month, Commercial Dedicated at $289 a month per line, an Inbound plan at $98 a month, and Enterprise Dedicated from $195 a month per line at 6+ lines.
Pricing model: flat per line, no per-message fees
SourceZernio
An iMessage sender costs $200 a month plus Zernio's per-account fee, with a free sandbox; SMS, calls and outbound messages past 10,000 a month are metered.
Pricing model: flat per sender, plus per connected account and usage meters
SourceWhich should you choose?
Choose Blooio if you need polls, chat backgrounds, iMessage apps and FaceTime calls.
Choose Zernio if you need edit and unsend, stickers, contact cards and Telegram.
Frequently asked questions
Blooio supports 60 of the 77 features compared here, and Zernio supports 57. Blooio adds polls, chat backgrounds, iMessage apps, FaceTime calls and iMessage availability check. Zernio adds edit and unsend, stickers, contact cards, Telegram and Slack.
Blooio: A free trial with 20 messages, shared plans at $39 and $89 a month, Commercial Dedicated at $289 a month per line, an Inbound plan at $98 a month, and Enterprise Dedicated from $195 a month per line at 6+ lines. Zernio: An iMessage sender costs $200 a month plus Zernio's per-account fee, with a free sandbox; SMS, calls and outbound messages past 10,000 a month are metered.
Zernio does not list polls on its site or in its docs.
Zernio does not list chat backgrounds on its site or in its docs.
Zernio does not list iMessage apps on its site or in its docs.