CallingVault vs 2nd Line
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
CallingVault
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**A second phone number that actually works β private, secure, and separate from your real one.** CallingVault gives you a real US phone number for calling and texting, without a second SIM and without handing out your personal number. Use it for dating, selling online, sign-ups, side gigs, travel β anywhere you'd rather keep your real number private. **WHY CALLINGVAULT** β’ SECOND NUMBER, NO SIM β A full calling + texting number that lives in the app. Nothing to swap, nothing to install in your phone. β’ CALL & TEXT PRIVATELY β Make calls and send texts (SMS/MMS) from your CallingVault number. Your personal number stays yours. β’ PICK ANY US AREA CODE β Choose your number by area code, city, or ZIP. Sound local anywhere in the United States. β’ STOP SPAM & ROBOCALLS β Powerful built-in spam and flood protection helps keep unwanted calls and texts off your line. Block any number in one tap. Set Do Not Disturb when you need quiet. β’ YOU'RE IN CONTROL β Decide who gets through, when, and whether at all. Block, mute, or allow β it's your line, your rules. β’ SECURE WEB PORTAL INCLUDED β Access your calls, texts, and contacts from any computer or tablet through your private, password-protected portal. Your communication keeps working even if something happens to your phone. β’ KEEP YOUR REAL NUMBER OFF THE GRID β Your cell number gets cross-referenced and sold to marketers the moment you share it. Give out your CallingVault number instead and keep your personal line clean. **PERFECT FOR** Online dating β’ Buying & selling (Marketplace, classifieds) β’ Sign-ups & verifications β’ Side businesses & freelancing β’ Travel β’ Anytime you'd rather not share your real number **PEACE OF MIND** Hand out your number without the worry of what comes back. That's CallingVault. CallingVault uses secure VoIP technology over Wi-Fi or data. A subscription is required; see details in-app. CallingVault is for privacy and separation and is not intended to conceal identity for unlawful purposes.
2nd Line
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One number for work. One for personal life. Another for added privacy. 2nd Line gives you a second phone number for business, online activity, and everyday communication. Choose a virtual line, make calls, send and receive supported texts, or request eligible SMS verification and OTP codes over Wi-Fi or mobile dataβall from one account. A SECOND PHONE NUMBER FOR EVERY PART OF LIFE Keep your primary number private and organize communication with less clutter. β’ Add a virtual line for work, customers, or personal projects. β’ Keep professional calls and messages separate from personal conversations. β’ Use eligible temporary numbers for one-time verification requests. β’ Manage up to three independent renewable lines from one account. CALL OVER WI-FI OR MOBILE DATA Call supported destinations using the secondary line you select. β’ Receive incoming calls on eligible active lines. β’ See incoming, outgoing, missed, and answered calls in history. β’ View connected call duration and the line used for each call. β’ Switch between your work, personal, and private lines before calling. Call availability and credit use vary by destination, provider pricing, and connected duration. 2nd Line is not an emergency-calling service. MESSAGING MADE SIMPLE Keep conversations organized by line in a familiar inbox. β’ Send supported messages and receive replies with your selected number. β’ Keep work and personal conversations in separate threads. β’ Review delivery status and message-credit history. Incoming and outgoing SMS use message credits. Multi-segment messages may require additional credits. Messaging availability varies by number capability, country, carrier, and regulatory registration. SMS VERIFICATION AND OTP CODES Request temporary numbers for supported services and regions through a dedicated verification inbox. β’ Check service and country availability in real time. β’ Copy the temporary number and delivered code easily. β’ Follow the remaining time, cancellation status, and credit result in one place. Availability can change. Delivery and acceptance of SMS verification or OTP codes are controlled by third-party services and are not guaranteed. FLEXIBLE NUMBER OPTIONS Choose available US and Canadian virtual lines immediately. Additional countries and number types may require identity, address, or business information before activation. The app shows the applicable requirements and number capabilities before you submit a request. The number provider or relevant carrier makes the final approval decision. UP TO THREE LINES, ONE ACCOUNT β’ Subscribe to and manage up to three distinct phone numbers. β’ Choose the outgoing line before a call or message. β’ See which line received a call or message. β’ Manage each renewable number separately. Each additional renewable number requires its own active subscription. Inventory, capabilities, regulatory review, and activation times vary. TRANSPARENT CREDITS AND SUBSCRIPTIONS β’ Separate balances for calls, messages, and verification requests. β’ Clear confirmation and wallet-specific spending history. β’ Subscription management and purchase restoration through Apple. Number subscriptions renew monthly or yearly through your Apple Account unless canceled. Credits are digital consumables tied to the selected wallet. WHY CHOOSE 2ND LINE? β’ A practical second number for work and personal communication β’ Available US and Canadian virtual lines β’ Supported calls and SMS over Wi-Fi or mobile data β’ Temporary numbers for eligible OTP and verification requests β’ Up to three renewable lines in one account β’ Separate wallets and transparent usage history Get a professional second phone number and keep your communication organized. Privacy Policy: https://glayzerstudio.pro/apps/second-line/privacy Terms of Use: https://glayzerstudio.pro/apps/second-line/terms Support: https://glayzerstudio.pro/apps/second-line/support Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: CallingVault at none against 2nd Line's 10. CallingVault also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. 2nd Line sells 10 in-app purchases, starting at $9.99 per month. CallingVault asks for nothing beyond the download.
| Parameter | CallingVault | 2nd Line |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | β |
| Ads | No β better | Yes |
| In-app purchases | No β better | Yes |
| Devices | iPhone | iPhone |
| Requires iOS | 17.6 | 17.0 β better |
| Further details β not scored | ||
| Size | 78 MB | 26 MB |
| Age rating | 12+ | 4+ |
| Developer | Dan Stevens | Glayzer LLC |
In-app purchases
CallingVault
No in-app purchases
2nd Line
- Monthly Number Plan$9.991 Month
- 500 Message Tokens$1.99
- 500 Call Tokens$2.99
- 1,200 Message Tokens$3.99
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- 500 Verification Tokens$4.99
- 1,200 Call Tokens$5.99
- 3,000 Message Tokens$8.99
- 1,200 Verification Tokens$10.99
- 3,000 Call Tokens$12.99
- 3,000 Verification Tokens$24.99









