Comparison

VSim vs Karrier One

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

Head to head
About

VSim

Get a temporary virtual phone number to receive SMS verification codes without revealing your personal number. Activate accounts quickly and maintain privacy from unwanted spam. All messages are conveniently stored within the app.

Highlights
  • Receive SMS verification codes
  • Virtual numbers for account activation
  • In-app message inbox
  • Privacy protection
  • Pay-as-you-go credits
  • Supports popular platforms
Features
Read full description

VSim — Virtual Number for SMS Verification Need an SMS verification code without sharing your personal phone number? VSim gives you a virtual number to receive SMS verification codes online, so you can activate accounts quickly and keep your real number private. What you can do with VSim * Receive SMS Verification Codes: Use a virtual number to get login and verification codes directly inside the app. * Fast & Simple Activation: Choose a country and service, copy the number, and verify in minutes. * In-App Inbox: All received messages appear in one place for a smooth verification experience. * Privacy-Focused: Keep your real phone number off websites and apps to reduce unwanted spam. * Pay-As-You-Go Credits: Transparent pricing. If no SMS is received within the allowed time, your credit is automatically refunded. How it works 1. Select a country and service 2. Copy the provided number and use it for verification 3. Receive the SMS code in the VSim inbox VSim can be used for verification on many popular platforms, including WhatsApp, Telegram, Facebook, Instagram, TikTok, Google, Snapchat, Tinder, Vinted, and more (availability varies by country and service). Privacy Policy: https://vsimapp.com/privacy-policy Terms of Use: https://vsimapp.com/terms-of-use

About

Karrier One

This app integrates communication tools like calling and texting with digital finance management, including a blockchain wallet and AI assistance for transactions. It offers a unified platform for everyday communication, mobile connectivity, and digital asset management.

Highlights
  • VoIP calls and global texting
  • Purchase and manage phone numbers/plans
  • Integrated Sui blockchain wallet
  • Phone-number-based crypto transactions
  • AI Butler for transaction assistance
  • Unified communication and finance platform
Features
Read full description

Connectivity Without Borders Bring your calls, texts and wallet payments together with Karrier One. Manage mobile connectivity and send or receive supported digital assets through your Sui wallet, all in one app. Karrier One brings communication and digital finance together in one powerful mobile app. With Karrier One, you can make calls, send texts, manage your Sui blockchain wallet, and use AI Butler to simplify transactions. Instead of relying only on long wallet addresses, Karrier One helps make sending and receiving easier by connecting payments to a phone-number-based experience. Whether you are looking for everyday communication or a smarter way to interact with blockchain, Karrier One gives you a single app for mobility, messaging, and digital assets. Key features Call and text with ease Make VoIP calls and send messages to phone numbers worldwide from one simple interface. Buy a phone number Get your own number directly through the app and stay connected for voice and messaging. Activate a phone plan Purchase a mobile plan for cellular mobility and manage your connectivity in one place. Sui wallet built in Store, send, receive, and manage supported digital assets through the integrated wallet experience. Send using a phone number Move funds more easily with a phone-number-based flow instead of dealing only with complex wallet addresses. AI Butler assistance Use AI Butler to help initiate transactions, guide actions, and make the wallet experience more intuitive. Unified experience Karrier One combines communications, mobility, and blockchain utility into one modern app. Why Karrier One Karrier One is designed for users who want more from a mobile app: communication, connectivity, and digital finance working together in a seamless experience. From calling and texting to managing your wallet and activating service, Karrier One puts essential tools in one place. Download Karrier One and experience a new way to connect, transact, and move.

Screenshots

VSim4 screens
Karrier One4 screens

Verdict

The call

The clearest difference is review sentiment: VSim at 85% against Karrier One's 0%. VSim also leads on rating (4.7 vs 1.0) and ratings volume (17K vs 1). Karrier One's advantage is in-app purchases (none vs 6) and ads (none vs shown). On price and device support 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. VSim sells 6 one-off in-app purchases. Karrier One asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

VSim holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: VSim has 17K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 85% of VSim's written reviews are positive against 0% of Karrier One's.

UpkeepUpdate frequency

VSim ships an update every 2 months, Karrier One every 4 weeks. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

Scorecard8 real differences · 2 level
VSim versus Karrier One: the parameters behind the verdict, then further details
ParameterVSimKarrier One
PriceFreeFree
Rating4.7 (17K ratings) — better1.0 (1 ratings)
Positive reviews84.5% of reviews — better0.0% of reviews
Number of ratings17K — better1
Update frequencyEvery 2 monthsEvery 4 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size46 MB59 MB
Age rating4+17+
DeveloperElmondKarrier One Inc

Customer experience

VSim

All ratings16,395 ratings
Positive90.5%
Neutral3.6%
Negative6.0%
Written reviews1,576 reviews
Positive84.5%
Neutral2.5%
Negative13.0%

Karrier One

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

VSim

Reported bugs

3 issues
  • Verification codes not received
  • Numbers already in use
  • Account bans without explanation

Requested features

4 requests
  • Ability to earn free credits
  • More number options
  • Improved privacy policy
  • Better FAQ and community support

Karrier One

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

VSim

One-time6
  • 10 Credit$0.99
  • 30 Credit$2.99
  • 50 Credit$4.99
Show 3 more
  • 100 Credit$9.99
  • 250 Credit$24.99
  • 500 credit$49.99
None

Karrier One

No in-app purchases

Questions

Is VSim free?
VSim is free to download, with in-app purchases available.
Is Karrier One free?
Karrier One is free to download, with no in-app purchases.
Which has better reviews, VSim or Karrier One?
VSim is rated higher. VSim averages 4.7 out of 5 from 17K ratings, while Karrier One averages 1.0 from 1 ratings.
Do VSim or Karrier One have ads?
VSim shows ads; Karrier One does not.
Which is updated more often, VSim or Karrier One?
VSim ships an update every 2 months, and Karrier One every 4 weeks. Most recently, VSim was updated on October 31, 2026 and Karrier One on October 24, 2026.

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