Comparison

SkyDuo vs Momenge

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

Head to head
About

SkyDuo

Connect with friends and family globally through free video calls and messaging. This app also provides secondary phone numbers for private calling and texting, offering a secure and cost-effective communication solution.

Highlights
  • Free video calls across devices
  • Private second phone numbers
  • Cheap international calls and texts
  • Fun messaging with stickers and GIFs
  • End-to-end encrypted calls and messages
  • Low data usage for calls
Features
Read full description

SkyDuo is a FREE Video Chat and Messaging App + WiFi Phone App. Live face to face video chat with friends and family for free, even if they are in another country. Get multiple phone numbers for unlimited calling and texting, to any mobile or landline. It's cool and easy, private and secure, reliable and fun. • Free Video Calls across Any Device Work across mobile, tablet or any smart device. Just send an invite link to your friend, then start your free face time video chat. Samsung, LG, Huawei, Xiaomi, Vivo, Oppo, TCL, Micromax, Realme, Motorola, all supported. • Private Second Phone Numbers Tired of giving out your real phone number? Tired of carrying multiple phones with multiple SIM cards? Tired of expensive GSM contracts and bills? Download SIMless SkyDuo, say goodbye to old fashion. One App, Multiple Real US/CA/UK phone numbers for your choice. • Cheap or Free International Calls & Texts Beyond free online video chats, wifi phone call & text to any mobile/landline phone numbers in over 200 countries and regions are provided at super low rates. Earn your daily free credits, then enjoy free wifi phone calls, free sms/mms, free txt now. • Fun Messaging Fun communication should be without limits! Express yourself with customized emoticons, stickers, GIFs, doodles on duo face, play games together while duo video chat, send pictures, voices, videos or locations messages. Camera shy? Make voice calls to anyone, any number in the world. • Private and Secure All calls are end-to-end encrypted. And messages are encrypted in-line with international security standards (TLS). Third parties can never access your messages. And SkyDuo does not store your messages. They will be deleted as soon as they are received by the recipient. Delete your account, without leaving a trace. Enjoy your safe and secure SkyDuo chat. • Low Data Usage Save 40-90% of the vowifi and voip network traffic in real-time calls. Especially on cellular networks, saving your data money a lot. • Is SkyDuo Really FREE ? Yes. Free to make video calls and messages. FREE to get credits everyday. Check-in, watch videos to earn free credits, play games to win free credits, complete various reward tasks to get free credits like making calls or sending texts. All paid premium services could be redeemed by free credits. It's totally free as you use it more. • Amazing Premium Features Upgrade to SkyDuo Premium, enjoy all exclusive features including private numbers, ad-free, call recording, monthly free credits bonus, 2x free daily credits tasks, better price of out call/text, special ringtones and themes, etc. Download the app and enjoy your SkyDuo life right now! Much More Goodies: - Add 2nd, 3rd line to your phone/tablet, turn your devices into real dual mobile phone. Alter the number at any time. Switch a number, switch a life! Deliveries, business, posting online, sales people, business partners, shopping online, selling items on Craigslist, Etsy, Ebay, never embarrassed. Level your living a next plus! - Note: If Push notification is not enabled, you may not receive messages and calls. 911 is not supported. If any area rates are too high, contact us. We will work on it. And you might win a support reward! Subscriptions are for premium, which can be purchased in-app and be renewed weekly, monthly or yearly on your choice. Payment will be charged to your iTunes account. Subscription automatically renews within 24-hours prior to the end of the current period, unless auto-renew is turned off at least 24 hours before that. You may manage your subscriptions and turn off auto-renewal by going to your iTunes Account Settings. No cancellation of the current subscription is allowed during active subscription. See More in Terms and Privacy Policy https://www.phoneduo.app/terms.html, https://www.phoneduo.app/privacy.html. We are excited to hear your feedback on the app! Contact Us: support@phoneduo.app

About

Momenge

Features
Read full description

Momenge es una app de mensajería privada con cifrado de extremo a extremo. Envía mensajes, realiza llamadas de voz y videollamadas seguras. No rastreamos, no mostramos anuncios y no vendemos tus datos. Tu privacidad es nuestra prioridad. Para utilizar Momenge es necesaria una suscripción activa. El acceso a la app y a todas sus funcionalidades requiere una suscripción de pago válida. Términos de uso (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Ideal para quienes valoran su privacidad sin sacrificar funcionalidad. Descárgala y conéctate con libertad.

Screenshots

SkyDuo4 screens
Momenge3 screens

Verdict

The call

The clearest difference is iOS requirement: SkyDuo at 12.0 against Momenge's 15.1. On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SkyDuo sells 10 in-app purchases, starting at $2.99 per 7 days and Momenge sells 1 in-app purchase, starting at $99.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

SkyDuo ships an update every 11 days, Momenge weekly. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

Scorecard1 real difference · 9 level
SkyDuo versus Momenge: the parameters behind the verdict, then further details
ParameterSkyDuoMomenge
PriceFreeFree
Rating4.7 (2K ratings) — better—
Positive reviews77.8% of reviews—
Number of ratings2K — better—
Update frequencyEvery 11 daysWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.1
Further details — not scored
Size109 MB67 MB
Age rating12+4+
DeveloperNingbo Juphoon System Software Co., Ltd.David Alonso

Bugs and requests

SkyDuo

Reported bugs

3 issues
  • App crashes, deletes itself, and doesn't work
  • Can't choose or change password
  • Payment issues, money deducted but no credit in app

Requested features

4 requests
  • Add group chat option
  • Allow texting with WiFi
  • Add more options like filters, screen sharing
  • Add ability to call two people on one call

Momenge

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

SkyDuo

Subscriptions8
  • Premium Lite Weekly$2.997 Days
  • US Number Plan Weekly$3.997 Days
  • 1 Line Unlimited Plan Monthly$4.991 Month
Show 5 more
  • US&CA Essential Plan Monthly$4.991 Month
  • US&CA Basic Plan Monthly$7.991 Month
  • US Number Plan Monthly$7.991 Month
  • Premium Monthly$9.991 Month
  • Premium Monthly1 Month trial$9.991 Month
One-time2
  • Dual Phone 10000 credits$1.99
  • Dual Phone 25000 credits$4.99
1 purchases

Momenge

Subscriptions1
  • Monthly$99.991 Month

Questions

Is SkyDuo free?
SkyDuo is free to download, with in-app purchases available.
Is Momenge free?
Momenge is free to download, with in-app purchases available.
Do SkyDuo or Momenge have ads?
Neither SkyDuo nor Momenge shows ads.
Which is updated more often, SkyDuo or Momenge?
SkyDuo ships an update every 11 days, and Momenge weekly. Most recently, SkyDuo was updated on November 8, 2026 and Momenge on November 5, 2026.

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