AustenTel ACS vs BUZZYA
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.
BUZZYA
Make unlimited voice and video calls to mobile, VoIP, or landline phones in the US, Canada, and Europe. Your recipients don't need the app to receive calls, and you can get a dedicated US, Canadian, or French number that displays on their caller ID.
- Unlimited voice and video calls
- Calls to mobile, VoIP, and landlines
- No app required for recipients
- US, Canadian, or French phone number
- Contact list integration
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BUZZYA has reinvented phone services without the constraints of cost and destination. Whether you are in the US, Canada or Europe, you can make unlimited calls to a mobile, VOIP or landline phone via WIFI, 4G or 5G using your BUZZYA app. Your party does not require the BUZZYA app to receive your voice calls. Features: • Unlimited person-to-person voice or video calls to and from US, Canada and Europe • Video calls between 2 or more people in the BUZZYA app community Advantages: • Your party is not required to have BUZZYA to receive your voice calls • You are assigned a US, Canadian or French telephone number which will display on your called party's phone • You can let BUZZYA access to all contacts in your phone directory (US, Canada and 26 European destinations*) Download Buzzy for free and join the Buzz Club !
Screenshots
Verdict
The clearest difference is update cadence: AustenTel ACS at every 6 weeks against BUZZYA's every 38 months. AustenTel ACS also leads on ratings volume (3 vs 1). BUZZYA's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, rating, ads and in-app purchases 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.
On the App Store both sit at effectively the same score — 5.0 for AustenTel ACS against 5.0 for BUZZYA. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
AustenTel ACS ships an update every 6 weeks, BUZZYA every 38 months. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.
| Parameter | AustenTel ACS | BUZZYA |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 6 weeks — better | Every 38 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 97 MB |
| Age rating | 4+ | 17+ |
| Developer | Austen Consultants, LLC | Telcoz |
In-app purchases
AustenTel ACS
No in-app purchases
BUZZYA
No in-app purchases









