Comparison

Second Phone Number vs 6Call

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

Head to head
About

Second Phone Number

This app provides a secondary phone number for various needs, including business, travel, and private communication. It features an AI receptionist, IVR call routing, and travel eSIMs, allowing users to manage calls and messages professionally without a second device.

Highlights
  • Second phone number for calls and texts
  • AI receptionist and IVR call routing
  • AI voice avatars for greetings
  • Travel eSIM data plans
  • Mobile top-up services
  • Separate personal and work numbers
Features
Read full description

Simbuster gives you a second phone number, AI receptionist, IVR call routing, travel eSIMs, mobile top-ups, calling and texting app in one communication telecom app. Get a second phone number for work, business, travel, online selling, customer calls or private communication. Keep your personal number separate, make and receive calls through virtual number, manage messages, route caller and stay connected without carrying another phone or swapping your physical SIM. SECOND PHONE NUMBER FOR CALLS & TEXTS NOW Get a second phone number for work, travel, online marketplaces, customer calls, side projects or unlimited private communication. Use your second number to: * Keep your personal number private * Separate work and personal communications * Communicate with customers plus clients * Manage online selling and marketplace contacts * Stay reachable while travelling * Avoid carrying a second phone or physical SIM Number availability, unlimited calling and messaging features vary by country, number type and provider support. AI RECEPTIONIST & IVR TELECOM CALL ROUTING Turn your second phone number into a professional business phone system. Create telecom call flows directly from your phone: * Build IVR menus * Create professional greetings * Route caller to the right person or department * Send free calls to voicemail * Manage business hours and call handling * Use AI tools to answer incoming calls when you're unavailable Simbuster helps freelancers, founders, small businesses, property managers, coaches, consultants, online sellers and remote teams handle calls without a complicated phone system. AI VOICE AVATARS & PROFESSIONAL GREETINGS Create memorable greetings and receptionist prompts with AI voice avatars and character-style voices. Use them for: * Business greetings * Welcome messages * IVR prompts * Receptionist messages * After-hours messages * Branded or creative call experiences usind second phone number Create professional audio without a studio or voice actor. CALLING APP & CALL COMMUNICATION Make and receive supported calls through Simbuster and manage your unlimited calling phone service provider in one place. Depending on your number and plan, you can access: * International calling * Calling credits * Call routing * Voicemail * AI call handling * 2nd line phone number * Professional greetings * Smart call management tools TRAVEL ESIM DATA Stay connected while travelling with supported eSIM data plans. Activate mobile data without swapping your physical SIM card. Simbuster travel eSIMs can help you stay connected on holidays, business trips and international travel. Useful for travellers, digital nomads, students and people living or working abroad. MOBILE TOP-UPS Send prepaid mobile top-ups to supported networks and countries. Top up your own mobile or help friends, family and team members stay connected when they need it using Simbuster phone service providers. BUILT FOR WORK, TRAVEL & PRIVATE COMMUNICATION Simbuster is designed for: * Second phone numbers * Business phone numbers * Private calling and texting app * Customer communications * AI receptionist phone service provider * IVR and call routing * International communication * Travel eSIM data * Mobile top-ups * Freelancers and small businesses * Remote teams * Expats and digital nomads One app for your numbers, calls, receptionist tools, travel connectivity and unlimited mobile phone services. Feature availability varies by country, number type, plan and telecom provider. SMS, verification codes, calls, eSIMs, caller id, top-ups, AI tools, IVR and voicemail may not be available for all users or phone numbers.

About

6Call

Features
Read full description

Number Six Softphone makes it easy to stay connected with affordable internet-based voice calling. Whether you're making personal calls or managing business communications, Number Six gives you a simple way to connect using your mobile device. KEY FEATURES • Internet-based voice calling Make calls through the internet using your Number Six account. • Affordable calling Enjoy competitive calling rates for local and international destinations. • Simple account management Manage your calling account and keep track of your usage. • Easy top-ups Add credit to your account and continue making calls without complicated setup. • Business calling Use Number Six as part of your business communication setup, including remote teams and call-centre operations. • Reliable voice infrastructure Number Six connects your calls through a dedicated communications platform designed for voice services. GET STARTED Download Number Six Softphone, sign in to your account, add calling credit and start making calls. Availability, rates and supported destinations may vary by location and account.

Screenshots

Second Phone Number4 screens
6Call4 screens

Verdict

The call

The clearest difference is in-app purchases: 6Call at none against Second Phone Number's 10. 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. Second Phone Number sells 10 in-app purchases, starting at $16.99 per month. 6Call asks for nothing beyond the download.

Scorecard1 real difference · 9 level
Second Phone Number versus 6Call: the parameters behind the verdict, then further details
ParameterSecond Phone Number6Call
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyWeekly—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size63 MB73 MB
Age rating4+4+
DeveloperTierra Digital LimitedEric Delali Mawudeku

In-app purchases

10 purchases

Second Phone Number

Subscriptions7
  • Subscription for one phone number$16.991 Month
  • Subscription for one phone number$24.993 Months
  • Subscription for one phone number$29.993 Months
Show 4 more
  • Subscription for one phone number$47.996 Months
  • Subscription for one phone number$54.996 Months
  • Subscription for one phone number$79.991 Year
  • Subscription for one phone number$99.991 Year
One-time3
  • Sms Credit $1.99$1.99
  • Speech Credit 3.99$3.99
  • Sms Credit $3.99$3.99
None

6Call

No in-app purchases

Questions

Is Second Phone Number free?
Second Phone Number is free to download, with in-app purchases available.
Is 6Call free?
6Call is free to download, with no in-app purchases.
Do Second Phone Number or 6Call have ads?
Neither Second Phone Number nor 6Call shows ads.

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