Comparison

Connect.US vs WattCall

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Free chat and calls
  • Low-cost international calls
  • Secure communication
  • High-quality voice
  • Intuitive user interface
  • Works on Wi-Fi and cellular networks
Features
Read full description

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

About

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.

Highlights
  • 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)
Features
Read full description

(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

Connect.US4 screens
WattCall4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
Connect.US versus WattCall: the parameters behind the verdict, then further details
ParameterConnect.USWattCall
PriceFreeFree
Rating1.6 (7 ratings)3.0 (2 ratings) — better
Positive reviews0.0% of reviews9.1% of reviews — better
Number of ratings7 — better2
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better12.0
Further details — not scored
Size57 MB107 MB
Age rating4+12+
DeveloperMMDSmart LTDJUSI PTE.LTD.

Customer experience

Connect.US

All ratings7 ratings
Positive14.3%
Neutral0.0%
Negative85.7%
Written reviews5 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

WattCall

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews11 reviews
Positive9.1%
Neutral0.0%
Negative90.9%

In-app purchases

None

Connect.US

No in-app purchases

11 purchases

WattCall

Subscriptions1
  • Duo Voice Pro Monthly Premium3 Days trial$4.991 Month
One-time10
  • Credits of $0.99$0.99
  • Duo Voice Pro Credits 16500$0.99
  • Duo Voice Pro Credits 13500$0.99
Show 7 more
  • 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

Questions

Is Connect.US free?
Connect.US is free to download, with no in-app purchases.
Is WattCall free?
WattCall is free to download, with in-app purchases available.
Which has better reviews, Connect.US or WattCall?
WattCall is rated higher. Connect.US averages 1.6 out of 5 from 7 ratings, while WattCall averages 3.0 from 2 ratings.
Do Connect.US or WattCall have ads?
Neither Connect.US nor WattCall shows ads.
Which is updated more often, Connect.US or WattCall?
Connect.US ships an update every 3 months, and WattCall every 2 weeks. Most recently, Connect.US was updated on October 1, 2026 and WattCall on September 24, 2026.

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