Comparison

AustenTel ACS vs sPeakUC

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

AustenTel ACS

Manage your business phone system from your mobile device. Make and receive calls with your work extension, access transcribed voicemails, and message colleagues. Stay connected and productive wherever you are.

Highlights
  • Work extension on mobile
  • HD voice calls
  • Visual voicemail with transcription
  • Team messaging
  • Company directory
  • Call history sync
Features
Read full description

AustenTel ACS puts your organization's phone system in your pocket. Make and receive calls with your work extension, check voicemail with automatic transcription, message teammates, and stay reachable wherever work takes you. ACS is the AustenTel Advanced Communication System — a carrier-grade, cloud-hosted business phone platform. The ACS app connects to your organization's ACS service, so your business extension rings your iPhone like a native call. FEATURES • Your work extension on your iPhone — incoming calls arrive like any other call, even when the app is closed • HD voice with secure signaling and media (TLS + SRTP) • Visual voicemail with automatic transcription • Team messaging with photo attachments • Company directory with live presence • Call history synced across your devices • Hold, transfer, and conference controls • Organization-wide instant alerts (where enabled by your admin) GETTING STARTED The ACS app is for organizations using AustenTel ACS phone service. Your administrator provisions your extension and sends you a setup code or QR — enter or scan it and you're connected. There is no self-serve account setup. Don't have ACS yet? Learn more at austentel.com or call 800.817.7845. The ACS app requires an active AustenTel ACS extension.

About

sPeakUC

This application provides voice calling, messaging, and unified communications for seamless connectivity. It offers features like call transfer, voicemail management, and contact integration, ensuring reliable communication for users on the go.

Highlights
  • High-quality voice calling
  • Call transfer and forwarding
  • Voicemail access
  • Contact integration
  • Unified communications
Read full description

sPeakUC is Mountain Telephone's next-generation free softphone application, built to keep you connected anytime, anywhere. Designed for clear, reliable communication, sPeakUC brings voice calling, messaging, and unified communications together in one simple, user-friendly app. Whether you're working from the office, home, or on the go, sPeakUC makes it easy to stay in touch with your team and your community. Backed by Mountain Telephone's trusted network and support, sPeakUC delivers the tools you need to communicate with confidence. Key Features: - High-quality voice calling over Wi-Fi or cellular data - Call transfer, forwarding, and conferencing - Voicemail access and management - Contact integration Experience dependable, modern communication — powered by Mountain Telephone.

Screenshots

AustenTel ACS4 screens
sPeakUC4 screens

Verdict

The call

The clearest difference is rating: AustenTel ACS at 5.0 against sPeakUC's 1.0. AustenTel ACS also leads on update cadence (every 2 weeks vs every 2 months) and ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

AustenTel ACS holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

UpkeepUpdate frequency

AustenTel ACS ships an update every 2 weeks, sPeakUC every 2 months. The most recent releases landed on November 14, 2026 and November 12, 2026 respectively.

Scorecard3 real differences · 7 level
AustenTel ACS versus sPeakUC: the parameters behind the verdict, then further details
ParameterAustenTel ACSsPeakUC
PriceFreeFree
Rating5.0 (3 ratings) — better1.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings3 — better1
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone
Requires iOS17.016.0 — better
Further details — not scored
Size6 MB116 MB
Age rating4+17+
DeveloperAusten Consultants, LLCMountain Rural Telephone Cooperative Corporation, Inc.

In-app purchases

None

AustenTel ACS

No in-app purchases

None

sPeakUC

No in-app purchases

Questions

Is AustenTel ACS free?
AustenTel ACS is free to download, with no in-app purchases.
Is sPeakUC free?
sPeakUC is free to download, with no in-app purchases.
Which has better reviews, AustenTel ACS or sPeakUC?
AustenTel ACS is rated higher. AustenTel ACS averages 5.0 out of 5 from 3 ratings, while sPeakUC averages 1.0 from 1 ratings.
Do AustenTel ACS or sPeakUC have ads?
Neither AustenTel ACS nor sPeakUC shows ads.
Which is updated more often, AustenTel ACS or sPeakUC?
AustenTel ACS ships an update every 2 weeks, and sPeakUC every 2 months. Most recently, AustenTel ACS was updated on November 14, 2026 and sPeakUC on November 12, 2026.

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