AustenTel ACS vs Calls UK
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.
Calls UK
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Softphone enabled for High Definition voice and video communication along with Instant messaging. VoiceHost Hosted PBX users can enable the softphone app via the control panel and provision all settings via a QR Code without any configuration. *** This app will NOT work with any other VoIP providers and requires a VoiceHost Account to access the app*** Softphone enabled for High Definition voice and video communication along with Instant messaging. Calls UK customers can enable the softphone app via the control panel and provision all settings via a QR Code without any configuration. Secure Calling / TLS encryption as default. Zero-Touch Provisioning Pushkit Enabled - Improved battery performance. Ultra low bandwidth usage on mobile or cellular networks. How to use: 1. Create a Calls UK Account if you do not have one already (www.callsuk.co.uk) 2. In your Calls UK account control panel go to find configuration settings. 3. Download the Softphone App from iTunes or Goole Play Store 4. Open the App and input configuration settings. ***Designed for use by Calls UK customers only.***
Screenshots
Verdict
The clearest difference is iOS requirement: Calls UK at 11.0 against AustenTel ACS's 17.0. 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.
| Parameter | AustenTel ACS | Calls UK |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 6 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | Austen Consultants, LLC | UK Calls Limited |
In-app purchases
AustenTel ACS
No in-app purchases
Calls UK
No in-app purchases









