Dencall vs AustenTel ACS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dencall
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Dencall app is for Denphone Cloud PBX users for voice, chat and video communications.
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.
Screenshots
Verdict
The clearest difference is update cadence: AustenTel ACS at every 6 weeks against Dencall's every 5 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.
Dencall ships an update every 5 months, AustenTel ACS every 6 weeks. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.
| Parameter | Dencall | AustenTel ACS |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 5 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 108 MB | 5 MB |
| Age rating | 17+ | 4+ |
| Developer | Denphone K.K. | Austen Consultants, LLC |
In-app purchases
Dencall
No in-app purchases
AustenTel ACS
No in-app purchases









