AustenTel ACS vs sPeakUC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Work extension on mobile
- HD voice calls
- Visual voicemail with transcription
- Team messaging
- Company directory
- Call history sync
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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.
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.
- High-quality voice calling
- Call transfer and forwarding
- Voicemail access
- Contact integration
- Unified communications
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
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.
| Parameter | AustenTel ACS | sPeakUC |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 2 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 116 MB |
| Age rating | 4+ | 17+ |
| Developer | Austen Consultants, LLC | Mountain Rural Telephone Cooperative Corporation, Inc. |
In-app purchases
AustenTel ACS
No in-app purchases
sPeakUC
No in-app purchases








