OpusTel vs AVOXI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OpusTel
This app provides a real Swiss international telephone number for secure VoIP calls on iOS devices. It offers HD audio quality, free global calls between users, and call recording capabilities, all with a focus on user privacy.
- Real Swiss international telephone number
- Secure VoIP calls
- HD high-definition audio quality
- Free global calls between users
- Call recording
- Conference calls
- Automatic language selection
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OpusTel OpusTel is the mobile phone App for iPhone, iPod and iPad, permitting one to use a real Swiss international telephone number, e.g. 0041 41 520 60 00. It allows one to make and to receive secure VoIP calls from any iOS device using 5G/4G/3G/UMTS or Wi-Fi Internet connectivity. It was developed with the focus on privacy. Features: 1. Secure incoming and outgoing calls 2. Incomming calls are free of charge (no roamingcosts) 2. HD high-definition audio quality with the G722 and Opus codec 3. Free global calls from OpusTel to OpusTel 4. Easy transfer calls to any telephone number 5. Ability to record incoming and outgoing calls 6. Conference calls 7. Automatic language selection based on handy language (15 languages like EN, DE, CN, FR, ES, IT ...)
AVOXI
This app allows users to make, receive, and manage business calls globally using their mobile device. It provides access to business voice services in over 170 countries and enables free calling between app users.
- Make and receive business calls
- Manage calls on the go
- Global voice service in 170+ countries
- Free calling between app users
- Requires AVOXI contact license
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Business doesn’t stop when you leave the office. Make, receive and manage calls using the AVOXI Mobile app. All you need is an AVOXI contact license and a mobile device and you're ready to connect. Get access to business voice service in 170+ countries around the globe and stay connected with customers and prospects on the go. In addition to other things our app offers: • Free Calling between App users
Screenshots
Verdict
The clearest difference is review sentiment: OpusTel at 80% against AVOXI's 0%. OpusTel also leads on rating (5.0 vs 3.5). AVOXI's advantage is update cadence (every 4 months vs every 14 months). On price, ratings volume, 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.
OpusTel holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 6 and 8 respectively. Written reviews point the same way: 80% of OpusTel's written reviews are positive against 0% of AVOXI's.
OpusTel ships an update every 14 months, AVOXI every 4 months. The most recent releases landed on August 29, 2026 and August 20, 2026 respectively.
| Parameter | OpusTel | AVOXI |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (6 ratings) — better | 3.5 (8 ratings) |
| Positive reviews | 80.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 6 | 8 — better |
| Update frequency | Every 14 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 98 MB | 112 MB |
| Age rating | 4+ | 17+ |
| Developer | OpusTel | AVOXI |
Customer experience
OpusTel
AVOXI
In-app purchases
OpusTel
No in-app purchases
AVOXI
No in-app purchases
