Connect.US vs WattCall
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Connect.US
This app allows free chat and calls to friends and family, with low-cost international calling options. It offers secure, high-quality communication through an intuitive interface, leveraging advanced technology for global connections.
- Free chat and calls
- Low-cost international calls
- Secure communication
- High-quality voice
- Intuitive user interface
- Works on Wi-Fi and cellular networks
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Chat and Call your friends and family with Connect.US for free and make international calls at the lowest rates! With its simple and intuitive user interface and powerful features, Connect.US is the ideal solution for making international calls or chatting with your friends and family across the globe, at a fraction of the normal cost. Utilizing the latest advances in communications technology, you can be ensured of secure, high quality calls, and instantaneous secure instant messages. Features: • Works everywhere! Supports all wireless networks (Wi-Fi) and /3G/4G/GSM cellular networks • Exceptional voice quality • Uses secure based protocol • Uncluttered easy to navigate user interface • Flexible integration with your phone book contacts • Easily accessible screen display for your call history, call timer and balance • Easily top up to get more phone credits • Simple sign up and installation
WattCall
Make international calls over Wi-Fi or cellular data without using your cell minutes. Enjoy clear, stable voice quality and features like call recording and conference calls. Reach over 230 countries and regions with this ad-free calling solution.
- International calls to 230+ countries
- Ad-free calling experience
- Clear and stable voice quality
- Call recording functionality
- Up to 8-way conference calls
- Uses internet calls (VoIP)
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(1) 100% Ad-Free, foucs on calls! (2) WattCall uses an internet call (aka WiFi call, IP call, or VoIP call). Call your friends while you are under WiFi, 3G, 4G or 5G. (3) Server worldwide to ensure the best voice quality. (4) Unlike international calling cards, WattCall does not use your cell minutes. WHY USE WATTCALL: - International Calling WattCall can reach any mobile or landline number in more than 230+ countries or regions! - Clear & Stable Voice uses real telephone lines, which means we can guarantee a good crystal clear voice call quality, such as telephone calls from a landline! Duo VoPro icePro automatically detects and adjusts your connection speed to make sure more stable calls. uses rea ephone lines, which means we can guarantee a good crystal clear voice call quality, such as telephone calls from a landline! WattCall automatically detects and adjusts your connection speed to make sure more stable calls. - Call Recording Now it supports the call recording function, just tap the recording button during the call to record the call. one-tap recording, more convenient and faster to save important information during the call. - Call Conference You can hold up to 8-way call conferences with crystal-clear audio and minimal lag. - High Quality Voice Call Voice calls are sent to high quality WattCall 's dedicated VOIP network so that you do not need to worry about bad reception, volatile calls or drops. Our system always finds the best telephone line (the best voice quality) in your neighboring region when you make the call. If you have any suggestions, please feel free to contact us via: Email: duovoice@duoface.com Privacy: https://duovoice.duoface.com/privacy.html Terms: https://duovoice.duoface.com/terms.html
Screenshots
Verdict
The clearest difference is rating: WattCall at 3.0 against Connect.US's 1.6. WattCall also leads on update cadence (every 2 weeks vs every 3 months) and review sentiment (9% vs 0%). Connect.US's advantage is in-app purchases (none vs 11) and ratings volume (7 vs 2). On price, ads, device support and iOS requirement 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. WattCall sells 11 in-app purchases, starting at $4.99 per month. Connect.US asks for nothing beyond the download.
WattCall holds the better App Store score, 3.0 against 1.6. Both are backed by a comparable volume of ratings — 7 and 2 respectively. Written reviews point the same way: 0% of Connect.US's written reviews are positive against 9% of WattCall's.
Connect.US ships an update every 3 months, WattCall every 2 weeks. The most recent releases landed on October 1, 2026 and September 24, 2026 respectively.
| Parameter | Connect.US | WattCall |
|---|---|---|
| Price | Free | Free |
| Rating | 1.6 (7 ratings) | 3.0 (2 ratings) — better |
| Positive reviews | 0.0% of reviews | 9.1% of reviews — better |
| Number of ratings | 7 — better | 2 |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 57 MB | 107 MB |
| Age rating | 4+ | 12+ |
| Developer | MMDSmart LTD | JUSI PTE.LTD. |
Customer experience
Connect.US
WattCall
In-app purchases
Connect.US
No in-app purchases
WattCall
- Duo Voice Pro Monthly Premium3 Days trial$4.991 Month
- Credits of $0.99$0.99
- Duo Voice Pro Credits 16500$0.99
- Duo Voice Pro Credits 13500$0.99
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- Credits of $1.99$1.99
- Duo Voice Pro Credits 27000$1.99
- Credit of $4.99$4.99
- Duo Voice Pro Credits 67500$4.99
- Credits of $9.99$9.99
- Duo Voice Pro Credits 135000$9.99
- Duo Voice Pro Credits 300000$19.99








