Comparison

Second Line Calling/Texting vs Kavkom

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

Kavkom

Read full description

Kavkom is a cloud-connected mobile business telephony application that offers numerous advanced features: Pro-rated and non-binding billing 100% unlimited calls Call recording Interactive Voice Response (IVR) Voicemail Click-to-Call Advanced statistics and reporting Dedicated manager Number portability HD voice quality Virtual number With Kavkom, you no longer need a physical telephone or a configured softphone. All you need is a simple internet connection to make calls from the application, wherever you are. This solution is ideal for mobile agents or telecommuters. In addition to its user-friendly simplicity, Kavkom provides a feature-rich telephony experience. You can record your calls, manage incoming calls with an interactive voice response system, receive and handle voicemail messages through the voicemail feature, and make calls with a single click using Click-to-Call. The solution also offers advanced statistics and reports to help you track the performance of your calls and your team. You can benefit from a dedicated manager who will provide personalized support. With Kavkom, number portability is simplified regardless of your agents' locations. Additionally, you can enjoy HD voice quality for clear and smooth communications. Furthermore, you have the option to obtain a virtual number, allowing you to present a local or international number to your customers. Make and receive calls directly from your mobile device, ideal for mobile agents or telecommuters. This simple and powerful solution facilitates number portability for the agents in your team, regardless of their location. Provide your business with more than just a mobile experience. Experience feature-rich telephony. Discover the richest panel of Cloud Telephony features on the market without delay. In summary, the Kavkom mobile application is a powerful and user-friendly solution for business telephony. Whether you're on the go, working remotely, or in an office, you can make and receive calls directly from your mobile device, providing great flexibility for your mobile agents. Offering a comprehensive range of advanced features, Kavkom allows you to transform your telephony experience and improve your business efficiency. Discover the richest panel of Cloud Telephony features on the market with Kavkom today.

Screenshots

Second Line Calling/Texting4 screens
Kavkom4 screens

Verdict

The call

The clearest difference is in-app purchases: Kavkom at none against Second Line Calling/Texting's 8. Kavkom also leads on iOS requirement (12.4 vs 15.6). On price, update cadence, ads 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. Second Line Calling/Texting sells 8 in-app purchases, starting at $9.99 per month. Kavkom asks for nothing beyond the download.

UpkeepUpdate frequency

Second Line Calling/Texting ships an update every 2 months, Kavkom every 3 months. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

Scorecard2 real differences · 8 level
Second Line Calling/Texting versus Kavkom: the parameters behind the verdict, then further details
ParameterSecond Line Calling/TextingKavkom
PriceFreeFree
Rating4.2 (2.2K ratings) — better—
Positive reviews67.6% of reviews—
Number of ratings2.2K — better—
Update frequencyEvery 2 months — betterEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS15.612.4 — better
Further details — not scored
Size11 MB33 MB
Age rating4+4+
DeveloperBinaryPatternKavKom

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

Kavkom

Not enough reviews yet to summarise bugs or requests.

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
None

Kavkom

No in-app purchases

Questions

Is Second Line Calling/Texting free?
Second Line Calling/Texting is free to download, with in-app purchases available.
Is Kavkom free?
Kavkom is free to download, with no in-app purchases.
Do Second Line Calling/Texting or Kavkom have ads?
Neither Second Line Calling/Texting nor Kavkom shows ads.
Which is updated more often, Second Line Calling/Texting or Kavkom?
Second Line Calling/Texting ships an update every 2 months, and Kavkom every 3 months. Most recently, Second Line Calling/Texting was updated on October 29, 2026 and Kavkom on October 27, 2026.

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