AustenTel ACS vs PrimeCall
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AustenTel ACS
This communication app allows users to make free calls to other users of the platform. It supports HD voice and video, push notifications, and functions as a SIP softphone.
- SIP softphone functionality
- Push notifications
- HD voice and video support
- Free calling between app users
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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.
PrimeCall
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PrimeCall is the ultimate and free calling app designed to keep you connected and in control, no matter your location. Whether you're working remotely, on the go, or just need a more efficient way to manage calls, PrimeCall delivers seamless, high-quality voice communication at your fingertips. Key Features: PrimeCall Calling Experience Manage your voice calls and voicemail all in one place. With a clean and intuitive interface, PrimeCall simplifies the way you stay in touch. Crystal-Clear Call Quality Enjoy consistently clear voice calls over the internet, giving you smooth and reliable communication wherever you are. Call Routing and Forwarding Stay reachable with smart call handling. Forward incoming calls to other numbers or devices so you never miss what matters.
Screenshots
Verdict
The clearest difference is update cadence: AustenTel ACS at every 2 months against PrimeCall's every 4 months. On price, ads, in-app purchases and device support 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 ships an update every 2 months, PrimeCall every 4 months. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.
| Parameter | AustenTel ACS | PrimeCall |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 115 MB |
| Age rating | 4+ | 17+ |
| Developer | Austen Consultants, LLC | You Got Expert |
In-app purchases
AustenTel ACS
No in-app purchases
PrimeCall
No in-app purchases









