Comparison

Second Line Calling/Texting vs vNu

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

Head to head
About

Second Line Calling/Texting

Add a second phone number to your device for private texting and calling. Protect your personal number from spam and unwanted calls when dating, selling online, or for any project. Easily manage multiple numbers and contacts within the app.

Highlights
  • Add a second phone number
  • Keep personal number private
  • Unlimited texts and calls (premium)
  • Create multiple numbers
  • Separate contacts
  • Burn temporary numbers
  • Mask caller ID
Features
Read full description

Flexible Numbers - Add another phone number on your existing device Keep your personal phone number private Instead of giving out your personal number, create a new one and never worry about privacy or receiving spam calls. Use it for dating, online ads or anything else! Get a number in seconds Getting started is simple! Just download the app and start texting or calling right away Unlimited Texts & Calls With the premium plan, get unlimited texting and calling in the US and Canada Create multiple numbers Stay in control by creating multiple numbers on the same device Unlimited calling, texting and picture messaging Make calls and send and receive messages right from the app, using any of your numbers. Easily switch between your numbers at any time Separate contacts Manage your contacts separately from your phone's contacts Protect your privacy Protect your app with a passcode, Touch ID or Face ID Temporary numbers When you are done with a phone number, simply burn it Mask your caller ID with a new, private, flexible and reliable phone number Flexible Numbers Phone is a second phone number for everyday situations such as dating, relationships and more The best number changer app for private texting and calling! It's just like any other phone number but it protects your carrier number and safeguards your identity. A layer of security between you and the ones you are texting and calling. Flexible Numbers Phone is the perfect temporary number for: • buying things online (like craigslist, ebay, etc) • online dating (stay safe!) • applying for jobs • hosting airbnbs • any other kind of project! Avoid giving out your real carrier number to strangers and give out your Flexible Numbers Phone number instead! To get started download the app and get your new number now! Premium Number Plan: - We offer a monthly premium subscription plan that offers unlimited calls, texts and MMS messages within North America - We also offer a monthly basic subscription plan that offers a phone number for texting and calling within North America - Payment will be charged to iTunes Account at confirmation of purchase and at the end of each month - Your subscription automatically renews unless auto-renewal is turned off at least 24 hours before the end of the current monthly subscription - You can manage your subscription and switch off the auto-renewal by going to your account settings after purchase - You cannot cancel the current subscription during the active subscription period - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable - Privacy Policy: https://flexiblenumbers.com/privacy/ - Terms: https://flexiblenumbers.com/terms/ You may not use the service for sending fake texts, prank texts, spoof texts or for anonymous texting or anonymous calling. The recipient you text or call will not know who you are (unless you tell them), however you are never completely anonymous when texting or making calls. If you break these terms, your device will be banned and your identity might be revealed to the authorities upon request. You must be at least 13 years old to use the service. Not for 911 emergency services. Have questions, problems, or feedback? Contact us at contact@flexiblenumbers.com

About

vNu

Get free virtual phone numbers from various locations to receive SMS verification codes online. Protect your personal number from spam and unwanted sharing when signing up for services. Access online platforms securely without revealing your real contact details.

Highlights
  • Free virtual phone numbers
  • Receive online SMS
  • Hide personal phone number
  • OTP verification codes
  • Fake identity generator
  • SSN validator
Features
Read full description

Receive SMS Online Easily with vNu: Virtual Numbers. vNu is an app providing FREE phone numbers from different locations for online usage, to help people hide their phone numbers in online activity and receive OTP (One Time Password) Verification codes while they sign-up to/use online services, apps and websites. = Hide your Personal Phone Number = Today, Many websites, apps and services require phone number verification for you to start using them which may risk your phone number to be published or shared with third-parties and used to spam you with unwanted advertisements and ads. for this reason you can use vNu to hide your own phone number by providing one of our phone numbers listed and gain access to the website, app or service you want without being at the risk of providing sensitive information about you to untrusted or foggy parties. = Fast & Instant SMS receive = As soon as the service, website or app send you the SMS it'll be available almost instantly or within seconds and you can check the SMS content easily. = Fake Identity Generator (name set, address, gender, county, extra info) = = SSN Validator =

Screenshots

Second Line Calling/Texting4 screens
vNu4 screens

Verdict

The call

Second Line Calling/Texting and vNu both sit at 4.2 stars, but that hides the real split: 68% of Second Line Calling/Texting's written reviews are positive against 18% of vNu's. Second Line Calling/Texting also leads on ads (none vs shown). On price, rating, ratings volume and update cadence 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. Second Line Calling/Texting sells 8 in-app purchases, starting at $9.99 per month and vNu sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.2 for Second Line Calling/Texting against 4.2 for vNu. Both are backed by a comparable volume of ratings — 2.2K and 1.2K respectively. Written reviews are what separate them: 68% of Second Line Calling/Texting's written reviews are positive against 18% of vNu's.

UpkeepUpdate frequency

Second Line Calling/Texting ships an update every 2 months, vNu every 5 weeks. Both last shipped on October 24, 2026.

Scorecard2 real differences · 8 level
Second Line Calling/Texting versus vNu: the parameters behind the verdict, then further details
ParameterSecond Line Calling/TextingvNu
PriceFreeFree
Rating4.2 (2.2K ratings) — better4.2 (1.2K ratings)
Positive reviews67.6% of reviews — better18.4% of reviews
Number of ratings2.2K — better1.2K
Update frequencyEvery 2 monthsEvery 5 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.614.0 — better
Further details — not scored
Size11 MB24 MB
Age rating4+4+
DeveloperBinaryPatternAyoub El Omrani

Customer experience

Second Line Calling/Texting

All ratings2,047 ratings
Positive77.6%
Neutral8.1%
Negative14.3%
Written reviews111 reviews
Positive67.6%
Neutral6.3%
Negative26.1%

vNu

All ratings1,205 ratings
Positive77.8%
Neutral4.3%
Negative17.8%
Written reviews49 reviews
Positive18.4%
Neutral8.2%
Negative73.5%

User reviews

Second Line Calling/Texting

From 2.2K App Store ratings

What we love

  • 👍 Easy and convenient
  • 🚀 Fast setup
  • 🔒 Flexible and secure
  • 💰 Good value for money
  • 📱 User-friendly interface

Room to improve

  • 🐛 Occasional technical issues
  • 🔍 Limited customer support
  • 💸 Expensive premium plans
  • 🔌 Unreliable call/text functionality

vNu

From 1.2K App Store ratings

What we love

  • 👍 Great app
  • 💡 Useful for verification
  • 🚀 Switching numbers is easy

Room to improve

  • 🐛 Numbers don't receive SMS
  • 🔍 Shared phone numbers
  • 💸 Paid subscription required
  • 📢 Too many ads
  • 🚫 Doesn't work as expected

Bugs and requests

Second Line Calling/Texting

Reported bugs

4 issues
  • Dropped calls
  • Failed message deliveries
  • Disappearing contacts
  • Billing/subscription problems

Requested features

4 requests
  • Ability to send images/videos
  • More free credits/minutes
  • Improved customer support channels
  • Compatibility with newer OS versions

vNu

Reported bugs

3 issues
  • Numbers are blocked from receiving codes
  • Verification codes don't work
  • App crashes and freezes

Requested features

2 requests
  • Option to remove old verification codes
  • Ability to contact customer support

In-app purchases

8 purchases

Second Line Calling/Texting

Subscriptions3
  • Premium Line$9.991 Month
  • Premium Number Plan3 Days trial$9.991 Month
  • Premium Number Plan Upgrade$9.991 Month
One-time5
  • 3 Coin Pack$2.99
  • 8 Coin Pack$5.99
  • 15 Coin Pack$9.99
Show 2 more
  • 25 Coin Pack$13.99
  • 60 Coin Pack$27.99
1 purchases

vNu

One-time1
  • vNu Premium$9.99

Questions

Is Second Line Calling/Texting free?
Second Line Calling/Texting is free to download, with in-app purchases available.
Is vNu free?
vNu is free to download, with in-app purchases available.
Which has better reviews, Second Line Calling/Texting or vNu?
Second Line Calling/Texting is rated higher. Second Line Calling/Texting averages 4.2 out of 5 from 2.2K ratings, while vNu averages 4.2 from 1.2K ratings.
Do Second Line Calling/Texting or vNu have ads?
vNu shows ads; Second Line Calling/Texting does not.
Which is updated more often, Second Line Calling/Texting or vNu?
Second Line Calling/Texting ships an update every 2 months, and vNu every 5 weeks. Most recently, Second Line Calling/Texting was updated on October 24, 2026 and vNu on October 24, 2026.

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