Sim2Dial Plus vs AustenTel ACS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sim2Dial Plus
Make low-cost international calls to mobiles and landlines without needing an internet connection. Enjoy high-quality, stable calls with no hidden fees or expiry dates. Top up easily and stay connected globally.
- Low-cost international calls
- Internet-free calling
- No hidden fees
- High-quality connections
- Easy top-up
- Syncs with contacts
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Low Cost Calling, Mobile Top-Up with Just a Tap Get FREE calling time when you activate the app! Make internet-free international calls to both mobiles and landlines for a very low calling rates with Sim2dial. Try it, the 1st call is on us.Sim2dial will connect you through local phone lines which means you don’t need an internet connection to talk and you never have to worry about bad reception or dropping a call. Low calling rates and no fees mean you won’t pay a lot to stay connected. Choose Sim2dial, Why Us? What you’ll get: - Great low rates to landline and mobile numbers worldwide. Always get the best possible deals, rates and quality. - No fees or hidden charges - Our calls are internet-free. We use stable phone lines to connect your call which means you don’t have to worry about bad reception or dropping a call. - No expiry - High-quality connections - Safe and easy top up - Easy to use; syncs with contacts - Make international calls over Wi-Fi, 3G and local access - Avoid roaming charges - No ads in the sim2dial app - just download, add credit and make your calls Sim2dial is better than any other international calling apps. Check out all our rates http://sim2dial.com/GB/index.php Keep in touch with us!! Call us: 020 3475 3292 www.sim2dial.com Follow in FB www.facebook.com/sim2dial
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.
Screenshots
Verdict
The clearest difference is rating: AustenTel ACS at 5.0 against Sim2Dial Plus's 1.0. AustenTel ACS also leads on review sentiment (100% vs 83%) and ratings volume (3 vs 1). Sim2Dial Plus's advantage is update cadence (every 2 months vs every 4 months) and iOS requirement (7.0 vs 17.0). 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 — 1 and 3 respectively. Written reviews point the same way: 83% of Sim2Dial Plus's written reviews are positive against 100% of AustenTel ACS's.
Sim2Dial Plus ships an update every 2 months, AustenTel ACS every 4 months. The most recent releases landed on September 12, 2026 and September 2, 2026 respectively.
| Parameter | Sim2Dial Plus | AustenTel ACS |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 83.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 7.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 24 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Hybrid Network Family uk Ltd | Austen Consultants, LLC |
Customer experience
Sim2Dial Plus
AustenTel ACS
In-app purchases
Sim2Dial Plus
No in-app purchases
AustenTel ACS
No in-app purchases









