SlackBridge — a product of Square Post Labs Inc.

SyncRivo vs SlackBridge

Last updated 2026-05-28.

SyncRivo and SlackBridge are the two most directly comparable modern bridges in this category — both are self-serve, both publish prices, both deliver bidirectional real-time messaging, and both keep zero message storage. The honest split is scope and pricing model: SyncRivo bridges five chat platforms with message-metered tiers, while SlackBridge focuses on one bridge — Slack to Microsoft Teams — with flat per-workspace pricing.

Quick answer. SyncRivo is a multi-platform messaging iPaaS spanning Slack, Microsoft Teams, Zoom Team Chat, Google Chat, and Cisco Webex, priced by message volume ($49/month for 50,000 messages on Growth). SlackBridge is a focused Slack ↔ Microsoft Teams bridge priced flat per Slack workspace ($49.99/month, unmetered). Choose SyncRivo if you need three-or-more-platform interop or require a SOC 2 Type II report and HIPAA BAA today. Choose SlackBridge if Slack-to-Teams is the only bridge you need and unmetered pricing matters.

Key differences

Platforms bridged
SyncRivo: Slack, Microsoft Teams, Zoom Team Chat, Google Chat, and Cisco Webex — with two-, three-, and four-way bridge combinations. SlackBridge: Slack ↔ Microsoft Teams only.
Pricing model
SyncRivo: published, self-serve, message-metered. Starter free (1,000 messages/month, 2 connections); Growth $49/month or $39/month annual (50,000 messages/month, 5 connections); Enterprise custom. SlackBridge: published, self-serve, flat per Slack workspace. Free tier (one channel); Pro $49.99/month per workspace with no message limit.
What's metered
SyncRivo meters monthly messages and platform connections. A noisy month or a chatty channel can push you to the next tier. SlackBridge does not meter messages or users; subscription scope is the Slack workspace.
Free tier
Both offer real free tiers, no credit card required. SyncRivo's Starter allows 2 connections and 1,000 messages/month. SlackBridge's free tier bridges one channel with no expiry and no message cap.
Latency claims
SyncRivo: "Sub-100ms end-to-end delivery across all five platforms" and "Sub-100ms message latency, guaranteed." SlackBridge: real-time delivery via Cloudflare Workers; we don't publish a specific latency guarantee — relay times depend on Slack and Microsoft Graph API response times rather than our own pipeline.
Compliance posture
SyncRivo: states SOC 2 Type II certified, ISO 27001, and GDPR aligned in marketing; HIPAA BAA available on Enterprise tier. SlackBridge: controls aligned with SOC 2 Trust Service Criteria; formal Type II audit planned but not yet completed. No HIPAA BAA at this time. Underlying infrastructure (Cloudflare Workers) holds independent SOC 2 Type II, ISO 27001, and PCI DSS Level 1 attestations.
Uptime SLA
SyncRivo: 99.9% on Starter and Growth, 99.99% on Enterprise. SlackBridge: no contractual SLA published; depends on Cloudflare Workers availability.
Setup model
SyncRivo: self-serve sign-up plus per-platform OAuth. SlackBridge: self-serve Slack OAuth on the Slack side, Microsoft Graph admin consent on the Teams side, typically operational in under 15 minutes per bridge.
Granularity
SyncRivo: channel mapping with custom routing rules and no-code workflow rules across platforms. SlackBridge: explicit channel-to-channel mapping — you pick which Slack channel bridges to which Teams channel, with no implicit routing.
Built by
SyncRivo: a product of KXN Group. SlackBridge: Square Post Labs Inc.

Side by side

SyncRivoSlackBridge
PricingStarter free; Growth $49/mo ($39/mo annual); Enterprise customFree tier; Pro $49.99/month per Slack workspace
Message meteringYes — 1,000/mo (Starter), 50,000/mo (Growth), unlimited (Enterprise)No — unmetered
Platform connections2 (Starter), 5 (Growth), unlimited (Enterprise)One Slack workspace; unlimited Teams tenant bridges per workspace
Free tierYes — 2 connections, 1,000 messages/month, basic analyticsYes — one bridged channel, no expiry, no message cap
Platforms supportedSlack, Microsoft Teams, Zoom Team Chat, Google Chat, Cisco WebexSlack ↔ Microsoft Teams
BidirectionalYesYes
Threads / edits / reactionsSupported (thread replies, edits, deletions, reactions, attachments)Supported on the channel mapping path
Latency claim"Sub-100ms end-to-end delivery"Real-time via Cloudflare Workers; no specific guarantee
Uptime SLA99.9% (Starter/Growth), 99.99% (Enterprise)No contractual SLA published
Message storage"Zero data retention" per marketingZero — messages relayed in-memory on Cloudflare Workers, never persisted
SOC 2 Type IIStates Type II certifiedControls aligned with TSC; formal Type II audit planned
HIPAA BAAAvailable on EnterpriseNot currently available
SSO / SCIMEnterprise tierNot currently offered
Setup modelSelf-serve sign-up + per-platform OAuthSelf-serve Slack OAuth + Microsoft Graph admin consent
VendorSyncRivo (KXN Group)Square Post Labs Inc.

When SyncRivo is the right choice

SyncRivo is the right choice when:

When SlackBridge is the right choice

SlackBridge is the right choice when:

The honest comparison

SyncRivo and SlackBridge sit closer to each other than either does to legacy alternatives. Both are self-serve, both publish prices, both are bidirectional and real-time, both keep zero message storage, and both can be running between Slack and Teams in well under an hour. Buyers picking between the two are usually choosing on three axes.

Scope. SyncRivo is a five-platform iPaaS. SlackBridge is a one-bridge focused tool. If your roadmap includes Zoom Team Chat, Google Chat, or Webex, that pushes you toward SyncRivo. If your roadmap is Slack and Teams and that's it, SlackBridge avoids paying for breadth you won't use.

Pricing model. SyncRivo's Growth tier is $49/month for 50,000 messages and 5 connections. SlackBridge's Pro tier is $49.99/month per Slack workspace with no message limit. For most agencies and MSPs, both are roughly the same monthly outlay — but the failure modes differ. SyncRivo will charge you more (or rate-limit you) if you blow past your message tier; SlackBridge will charge you the same regardless. If you have a predictable volume well under 50,000 messages, SyncRivo is fine. If you have spiky volume, multiple noisy channels, or you simply don't want to forecast message counts, flat pricing is calmer.

Compliance. SyncRivo states SOC 2 Type II certification in its marketing and offers a HIPAA BAA on Enterprise. SlackBridge has controls aligned with the SOC 2 Trust Service Criteria but has not yet completed a formal Type II audit, and we do not currently offer a HIPAA BAA. If your procurement requires a third-party SOC 2 Type II report or a signed BAA before you can sign, SyncRivo is the lower-friction option today. If your procurement is satisfied by Cloudflare Workers' own SOC 2 Type II, ISO 27001, and PCI DSS Level 1 attestations (which we inherit as infrastructure) plus zero message retention, SlackBridge is a fit.

Frequently asked questions

Can I use SyncRivo and SlackBridge together?

Technically yes — they're independent products and neither knows about the other. But there's rarely a reason to. Pick the one that fits your scope; running both for the same bridge creates message loops unless you're very careful about channel mapping.

SyncRivo authored the dominant "Mio Discontinued" article that ranks for Mio alternatives — does that affect this comparison?

SyncRivo's content marketing has done a good job claiming organic search territory around Mio's wind-down. That's fair competitive content, and it's why a lot of buyers find SyncRivo first when they search for Mio alternatives. This page is independent — written by SlackBridge, factually grounded in SyncRivo's own published materials at syncrivo.ai. If you want our perspective on Mio specifically, see Mio vs SlackBridge.

What happens to my messages if I exceed SyncRivo's tier?

That depends on SyncRivo's current overage policy, which is not fully detailed on their public pricing page. Behavior may be hard caps, soft throttling, or auto-billing for the next tier. If predictable monthly cost matters to your buyer, ask SyncRivo directly before signing — or consider SlackBridge's flat pricing where this question doesn't exist.

Does SlackBridge plan to add Google Chat, Zoom, or Webex?

Not on the current roadmap. SlackBridge is intentionally focused on Slack ↔ Microsoft Teams because that's the bridge our buyers — agencies, MSPs, and consultants — actually need every day. Multi-platform iPaaS is a real category; we're just not in it. If you need it, SyncRivo or a broader iPaaS is the right tool.

Is this comparison biased?

It's written by SlackBridge, so the "when to choose each" framing reflects the buyers we're built for. The factual rows — pricing tiers, platforms, latency claims, compliance posture, uptime SLAs — are sourced directly from SyncRivo's public website as of 2026-05-28. If anything here is out of date or inaccurate, please tell us and we will correct the page.

Sources and verification