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APIs · head to head

Ably vs Weavr

Ably logo

Ably

APIs

Realtime data delivery platform for pub/sub messaging at scale

From
Free
Rated
-
Full reviewWebsite
Weavr logo

Weavr

APIs

Packaged embedded finance for B2B SaaS, with an in-house EU e-money licence

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Ably has a free tier, so it costs nothing to try first.
  • Each has a real cost: Ably standard and Pro plans layer usage-based charges for messages, connection minutes, and data transfer on top of the base subscription, adding cost complexity.; Weavr products are packaged rather than open, so a flow Weavr does not support is not something you can build around, and you discover the limits after integrating.
  • They diverge on capability: Ably covers Pub/sub messaging, Weavr covers Plug-and-play products.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Ably and Weavr actually diverge.

Attributes where Ably and Weavr differ
AttributeAblyWeavr
Starting priceFreeOn request
Pricing modelfreemiumquote
Free tierYesNo
Platformsweb, ios, android, apiWeb, REST API

Identical on both: user rating (Not yet rated), category (APIs).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Ably

  • Pub/sub messaging
  • Presence
  • Message persistence
  • Multi-protocol support
  • Encryption
  • Datadog integration

Only in Weavr

  • Plug-and-play products
  • Regulated cover
  • Card issuing
  • Multi-currency accounts
  • Identity and onboarding
  • Data insights

What people use each for

The jobs each tool is most often brought in to do.

Ably

  • Building realtime chat or collaborative appsnot Weavr
  • Delivering live data feeds like stock prices or sports scoresnot Weavr
  • Broadcasting notifications to many concurrent clientsnot Weavr
  • Running mission-critical realtime infrastructure with high uptime SLAsnot Weavr

Weavr

  • A project management SaaS adding expense cards without hiring a compliance officernot Ably
  • A marketplace paying out sellers from accounts held inside its own productnot Ably
  • A procurement platform issuing virtual cards against approved purchase ordersnot Ably
  • A European SaaS vendor wanting a regulated entity to sit behind its financial featuresnot Ably

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Ably

  • Standard and Pro plans layer usage-based charges for messages, connection minutes, and data transfer on top of the base subscription, adding cost complexity.
  • The jump from Standard ($29/month) to Pro ($399/month) is steep for teams needing more than 10k connections but not full Pro capacity.
  • 24/7 mission-critical support and 99.999% uptime SLAs are reserved for the custom-priced Enterprise tier.

Weavr

  • Products are packaged rather than open, so a flow Weavr does not support is not something you can build around, and you discover the limits after integrating.
  • Programme economics depend on interchange, and SaaS vendors routinely overestimate how much card volume their customers will actually route through the embedded product.
  • It is a small company with limited headcount supporting a regulated dependency, which is a real concentration risk for a feature your customers rely on.
  • Monthly minimums on card programmes mean a slow-adopting customer base leaves you paying for volume you never reach.
  • European interchange caps hold programme revenue well below what US embedded finance case studies suggest, so imported business cases do not transfer.

Pricing, plan by plan

Ably

Free
  • FreeFree
    • 200 concurrent connections
    • 500 messages/second
    • 6M messages/month
  • Standard$29/month
    • 10k concurrent channels
    • 10k concurrent connections
    • 2.5k messages/second
  • Pro$399/month
    • 50k concurrent channels
    • 50k concurrent connections
    • 10k messages/second

Weavr

On request
  • Weavr embedded finance$undefined/year
    • Platform subscription plus per-account and per-card fees
    • Interchange share negotiated as part of the commercial terms
    • Monthly minimums apply to card programmes

Which should you pick?

Choose Ably if

  • You need pub/sub messaging.
  • You want to start without paying.
  • You work on web, ios, android, api.
  • You also want presence.
Ably review

Choose Weavr if

  • You need plug-and-play products.
  • You work on Web, REST API.
  • You also want regulated cover.
Weavr review

Questions people ask

Is Ably or Weavr better?
Neither clearly leads. Ably starts at Free and Weavr at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Ably or Weavr?
Ably has a free tier; the other does not. Paid plans start at Free for Ably and On request for Weavr.
Does Ably or Weavr run on more platforms?
Ably runs on web, ios, android, api. Weavr runs on Web, REST API.
Can I use Ably for free?
Yes. Ably has a free tier, so you can try it without paying. Weavr starts at On request.
What is Ably best used for?
Ably is most often used for building realtime chat or collaborative apps, delivering live data feeds like stock prices or sports scores, broadcasting notifications to many concurrent clients, running mission-critical realtime infrastructure with high uptime slas. Of those, building realtime chat or collaborative apps and delivering live data feeds like stock prices or sports scores are not what Weavr is typically brought in for.
What can Ably do that Weavr cannot?
Ably covers Pub/sub messaging, Presence, Message persistence, Multi-protocol support. Weavr covers Plug-and-play products, Regulated cover, Card issuing, Multi-currency accounts.

Answered from the vendors’ own pages

Ably: What does Ably cost?

Ably offers a free plan with 200 concurrent connections, a Standard plan at $29/month plus usage, a Pro plan at $399/month plus usage, and custom Enterprise pricing with unlimited channels and connections.

Source
Weavr: Do I need my own financial licence?

No. Weavr holds an e-money licence, including a Maltese authorisation for the EU, and acts as the regulated entity for the embedded product.

Ably: Is there a free plan, and what are its limits?

Yes, the free plan includes 200 concurrent connections, 500 messages per second, and 6 million messages per month with community and best-effort email support.

Source
Weavr: How is it different from a banking-as-a-service API?

It sells finished product shapes with compliance built in rather than raw banking primitives, which trades flexibility for a much shorter route to launch.

Ably: How is usage metered?

Beyond plan limits, Ably charges usage-based rates of $2.50 per million messages, $1.00 per million connection minutes, $1.00 per million channel minutes, and $0.25 per GiB of data transfer, with volume discounts available.

Source
Weavr: How does Weavr make money?

Platform fees plus per-account and per-card charges, with a negotiated share of card interchange.

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