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APIs · head to head

Ably vs Flybits

Ably logo

Ably

APIs

Realtime data delivery platform for pub/sub messaging at scale

From
Free
Rated
-
Full reviewWebsite
Flybits logo

Flybits

APIs

Contextual personalisation and decisioning platform for financial institutions

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.; Flybits its output quality depends entirely on the completeness and accuracy of the underlying bank data it is fed, so a bank with fragmented or poor-quality customer data gets correspondingly weak personalisation.
  • They diverge on capability: Ably covers Pub/sub messaging, Flybits covers Contextual decisioning engine.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Ably and Flybits actually diverge.

Attributes where Ably and Flybits differ
AttributeAblyFlybits
Starting priceFreeOn request
Pricing modelfreemiumquote
Free tierYesNo
Platformsweb, ios, android, apiWeb, iOS, Android

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 Flybits

  • Contextual decisioning engine
  • Non-technical configuration
  • Agentic Banking capability
  • Customer data unification
  • Card-linked offers
  • Real-time insight delivery

What people use each for

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

Ably

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

Flybits

  • A bank wanting to move from generic segment-based marketing to individually contextual offers and messagesnot Ably
  • A product team wanting to configure personalisation rules without needing engineering support for every changenot Ably
  • A bank wanting card-linked contextual offers tied to transaction datanot Ably
  • A financial institution exploring an agentic AI interaction layer across cards, loans and depositsnot 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.

Flybits

  • Its output quality depends entirely on the completeness and accuracy of the underlying bank data it is fed, so a bank with fragmented or poor-quality customer data gets correspondingly weak personalisation.
  • The newer Agentic Banking capability is recent enough that long-term reliability, accuracy and customer trust data at scale are still limited compared with its longer-established contextual decisioning engine.
  • Pricing is not published, requiring a licensing negotiation per institution.
  • As with Meniga, it is a white-label layer rather than a consumer-facing brand, making independent reputation and reliability harder for a prospective bank client to verify directly.
  • Expanding from a rules-based personalisation engine into agentic AI interaction is a significant scope and complexity increase, and a bank evaluating it today should confirm which capabilities are mature and in production versus newly launched.

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

Flybits

On request
  • Flybits$undefined/year
    • Pricing not published, licensed per financial institution deployment

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 Flybits if

  • You need contextual decisioning engine.
  • You work on Web, iOS, Android.
  • You also want non-technical configuration.
Flybits review

Questions people ask

Is Ably or Flybits better?
Neither clearly leads. Ably starts at Free and Flybits at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Ably or Flybits?
Ably has a free tier; the other does not. Paid plans start at Free for Ably and On request for Flybits.
Does Ably or Flybits run on more platforms?
Ably runs on web, ios, android, api. Flybits runs on Web, iOS, Android.
Can I use Ably for free?
Yes. Ably has a free tier, so you can try it without paying. Flybits 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 Flybits is typically brought in for.
What can Ably do that Flybits cannot?
Ably covers Pub/sub messaging, Presence, Message persistence, Multi-protocol support. Flybits covers Contextual decisioning engine, Non-technical configuration, Agentic Banking capability, Customer data unification.

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
Flybits: Does Flybits require engineering support to run campaigns?

No, it is designed so marketing and product teams can configure personalisation rules directly.

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
Flybits: What is Agentic Banking?

A newer Flybits capability introducing AI agents as an interaction layer unifying cards, loans and deposits into conversational banking experiences.

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
Flybits: Is pricing published?

No, it is licensed per financial institution and requires a quote.

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