APIs · head to head
Ably vs Skaleet
Ably
APIs
Realtime data delivery platform for pub/sub messaging at scale
- From
- Free
- Rated
- -
Skaleet
APIs
Cloud-native core banking and payment hub with deployments measured in months
- From
- On request
- Rated
- -
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.; Skaleet the installed base is in the tens rather than the hundreds, so the pool of consultants and systems integrators who know the platform is small and expensive.
- They diverge on capability: Ably covers Pub/sub messaging, Skaleet covers Cloud-native core.
- Prices and features above were last checked on 1 September 2026.
Where they differ
Only the attributes on which Ably and Skaleet actually diverge.
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 Skaleet
- Cloud-native core
- Payment hub
- Card management
- Lending
- API-first
- Configurable products
What people use each for
The jobs each tool is most often brought in to do.
Ably
- Building realtime chat or collaborative appsnot Skaleet
- Delivering live data feeds like stock prices or sports scoresnot Skaleet
- Broadcasting notifications to many concurrent clientsnot Skaleet
- Running mission-critical realtime infrastructure with high uptime SLAsnot Skaleet
Skaleet
- A banking group launching a digital savings or deposit brand in a new country within a yearnot Ably
- A bank modernising payments to ISO 20022 without replacing its whole corenot Ably
- A payroll or HR software company adding embedded banking to its productnot Ably
- A payment service provider needing a ledger and accounts under its existing licencenot 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.
Skaleet
- The installed base is in the tens rather than the hundreds, so the pool of consultants and systems integrators who know the platform is small and expensive.
- Speed references are mostly greenfield launches inside large groups, which is an easier problem than migrating an existing book off a legacy core.
- It is European-centric, with payment rails and regulatory work concentrated on SEPA and EU requirements rather than global coverage.
- As a smaller vendor carrying a bank core, it attracts hard concentration and viability questions in procurement that larger competitors do not face.
- Pricing is unpublished and scaled by accounts and transactions, so a bank whose volumes grow faster than forecast faces cost escalation it did not model.
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$399/month
- 50k concurrent channels
- 50k concurrent connections
- 10k messages/second
Skaleet
On request- Skaleet Core Banking Platform$undefined/year
- Subscription licence scaled by accounts and transaction volume
- Payment hub licensable separately from the full core
- Implementation and configuration charged as a project
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.
Choose Skaleet if
- You need cloud-native core.
- You work on Web, REST API, Linux.
- You also want payment hub.
Questions people ask
- Is Ably or Skaleet better?
- Neither clearly leads. Ably starts at Free and Skaleet at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Ably or Skaleet?
- Ably has a free tier; the other does not. Paid plans start at Free for Ably and On request for Skaleet.
- Does Ably or Skaleet run on more platforms?
- Ably runs on web, ios, android, api. Skaleet runs on Web, REST API, Linux.
- Can I use Ably for free?
- Yes. Ably has a free tier, so you can try it without paying. Skaleet 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 Skaleet is typically brought in for.
- What can Ably do that Skaleet cannot?
- Ably covers Pub/sub messaging, Presence, Message persistence, Multi-protocol support. Skaleet covers Cloud-native core, Payment hub, Card management, Lending.
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.
SourceSkaleet: What was Skaleet called before?
TagPay. The company rebranded to Skaleet while keeping the same platform lineage.
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.
SourceSkaleet: Can I buy just the payment hub?
Yes. The payment engine is licensable standalone and can sit over an existing core, which is a common first step.
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.
SourceSkaleet: How fast are real deployments?
Named European deployments have gone live in six to twelve months, including a Crédit Agricole savings platform live in Germany in eight months.
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