No. 20 of 21 ·AI Voice Biometrics Software

Aculab Cloud

Web · Android · iPhone · Self-hosted · API

Freedom report

Two barsScore 4.8

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely3 of 6 device platforms
DocumentedPlans, terms and facts published

Aculab Cloud is ranked #20 of 21 in AI voice biometrics software on Freedom251. It runs on Android, API, iOS, Self-hosted, Web. A free trial is offered.

Aculab Cloud plans and pricing

All plans

Trial Free $10 free credit · expires after 1 month · 5 inbound and 5 outbound services · calls up to 23c per minute to your validated number aculab.com · 7 Oct 2026

Production Not published Pay-as-you-go; usage rates shown in the Cloud Console Full access to features · paid account kept in credit · outbound calls up to 75c per minute to any number aculab.com · 7 Oct 2026

Premium Not published Invoiced for usage; contact Aculab Like Production account · contact Aculab for details aculab.com · 7 Oct 2026

Compared on AI voice biometrics software

Free plan: No
Voice authentication: Yes
Voice fraud detection: Yes
Deployment: cloud
SDK platforms: Java, Python, PHP, .NET
API access: Yes

Best Aculab Cloud alternatives

See all 20

Two bars armour365 Voice Biometrics Free tier No. 1Free6.6 One bar Resemble Detect Free tier No. 2$280/mo6.4 One bar Recognition Technologies Speaker Recognition Paid plans No. 3—5.9 One bar Voiceme VoiceKey Paid plans No. 4—5.8 One bar VoiceVantage VoiceCheck Paid plans No. 5—5.8 One bar LumenVox Active Voice Biometrics Paid plans No. 6—5.6

The record

Product: Aculab Cloud provides APIs for voice and video calls, messaging, and inbound and outbound fax.
Features: Listed features include voice applications, live speaker detection, speech recognition, translation, text-to-speech, voice biometrics, WebRTC, messaging, and fax.
APIs and languages: The REST API can be used with Python, C#, VB, Java, PHP, or other scripting languages, and the UAS API supports Python, C#, VB, F#, and C++.
Hosting: REST applications run on a web server you host, while UAS applications run in a User Application Server installed on your platform.
Communications: The service supports calls to telephone numbers and SIP addresses, and its WebRTC interface can embed live calling in a web page.
Messaging: Aculab Cloud supports sending and receiving SMS and MMS messages, subject to account and local requirements.
Speech providers: Speech recognition uses Google Speech-to-Text, and text-to-speech supports Amazon Polly and Cepstral engines.
Security: Aculab Cloud runs on AWS; its web services are accessible over HTTPS, UAS connections use SSL by default, and customers can encrypt media files with keys supplied at runtime.
Regions: Accounts are assigned to a cloud region, and the documentation lists Europe, USA-East, and USA-West (beta).
Outbound limit: New accounts start at a maximum of one outbound service per second, and users can ask support to increase this limit.
Premium-rate calls: Aculab Cloud's outbound provider does not support calls to premium-rate numbers.
Support: Free developer support includes documentation, quickstart guides, email support, and bug reporting; paid contracts can offer guaranteed response times and 24×7 emergency support.
Audience: Aculab describes the product as a way for businesses to build communications applications using high-level APIs without specialist telephony equipment.
Founded: 1978

Where it ranks on Freedom251

Best AI Voice Biometrics Software in 2026#20 of 21

Is Aculab Cloud yours?

Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.

Claim it free Promote Aculab Cloud

Sources

docs.cloud.aculab.com· checked 7 Oct 2026
aculab.com/cloud/features/· checked 7 Oct 2026
aculab.com/cloud/voice-and-fax-apis/rest-api/· checked 7 Oct 2026
aculab.com/cloud/guides/which-api-is-appropriate-f· checked 7 Oct 2026
aculab.com/cloud-overview/· checked 7 Oct 2026
aculab.com/cloud/general-info/account-types/· checked 7 Oct 2026
aculab.com/cloud/guides/speech-recognition/· checked 7 Oct 2026
aculab.com/cloud/general-info/security-policy/· checked 7 Oct 2026
aculab.com/cloud/guides/cloud-regions/· checked 7 Oct 2026
aculab.com/cloud/guides/calls/outbound/calls-per-s· checked 7 Oct 2026
aculab.com/cloud/web-services/services/outbound/st· checked 7 Oct 2026
aculab.com/support-overview/· checked 7 Oct 2026