Comparison

DotVoice vs Second Phone Number

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

Head to head
About

DotVoice

This app keeps your team connected and productive on the go. It offers video calls, conferences, chat, file sharing, and external calling with your corporate number. Enjoy secure, high-quality communication even with unstable internet.

Highlights
  • Team collaboration tools
  • Video and audio conferencing
  • Group chat and channels
  • File sharing
  • External calling with corporate number
  • Encrypted calls and messages
Read full description

DotVoice mobile apps enable you and your team to maintain connectivity and enhance productivity while on the move, ensuring your extension is accessible wherever you go. Please note that this app is designed for use with the DotVoice PBX services only. Key Features of DotVoice for Your Team: Seamlessly collaborate with your team, regardless of your location. - Conduct video calls, organize audio conferences and group chats, establish public channels, share files, and more. Effortlessly and Securely Facilitate Remote Work for Your Employees - Initiate external calls using corporate identity/phone numbers, receiving calls through your office extension. - Track business communications through detailed customer profiles and a communication history categorized by each contact. Improved Connectivity and Call Quality, Even in Unstable Internet Conditions - Stay connected anywhere with push notifications, ensuring excellent customer service. - DotVoice optimizes connectivity and voice quality by implementing top-notch audio codecs. Ensures Security for Your Conversations and Data - DotVoice applications employ state-of-the-art block ciphers to automatically encrypt calls, messages, and data.

About

Second Phone Number

Obtain a private US second phone number for your iPhone without needing an extra SIM or device. Make and receive calls and texts over Wi-Fi or cellular data, keeping your personal number secure for various needs.

Highlights
  • Private US second phone number
  • No extra SIM or device required
  • VoIP calls over Wi-Fi/cellular
  • Send and receive SMS
  • Call US and Canada numbers
  • Block unwanted numbers
  • Call and message history
Features
Read full description

Get a private US second phone number on your iPhone without another SIM, eSIM, or extra device. Use your second number over Wi-Fi or cellular data. Call US and Canada phone numbers, receive calls, send SMS to supported US numbers, and receive SMS on your US number. Keep your personal number private when you need a second line for everyday calling, texting, travel, projects, or work. Use one device for your personal number and your second US number. Keep your purchased phone number while your subscription is active, and manage calls and messages inside the app. Features: - Get a US second phone number - No extra SIM, eSIM, landline, or second device needed - Call US and Canada numbers - Send SMS to supported US numbers - Receive SMS on your US number - Receive calls on your second number - Make and receive VoIP calls over Wi-Fi or mobile data - View recent incoming, outgoing, missed, failed, and canceled calls - Pick recipients from your iPhone contacts, with your permission - Block unwanted numbers - Manage your account, subscription, phone number, privacy policy, terms, and support from Settings - Delete your account from inside the app when needed Calling availability: Outbound calling is currently supported for USA and Canada destinations, including eligible mobile numbers, landlines, and toll-free numbers. Messaging availability: SMS availability is focused on supported US routes. International SMS is not supported. Subscription information: Second Phone Number supports subscription access for premium features. Plans may include weekly, monthly, or annual billing options, depending on availability. Payment is charged to your Apple ID at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. You can manage or cancel subscriptions in your Apple ID account settings. Important: Second Phone Number is not a replacement for your mobile carrier, landline, or emergency service access. Emergency calling limitations may apply. You should maintain another reliable way to contact emergency services. Terms: https://hastree.com/businessphonenumber/terms Privacy Policy: https://hastree.com/businessphonenumber/privacy

Screenshots

DotVoice4 screens
Second Phone Number4 screens

Verdict

The call

The clearest difference is rating: DotVoice at 5.0 against Second Phone Number's 4.2. DotVoice also leads on in-app purchases (none vs 3) and iOS requirement (11.0 vs 17.6). Second Phone Number's advantage is update cadence (every 2 weeks vs every 3 months) and ratings volume (5 vs 1). On price, 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 Phone Number sells 3 in-app purchases, starting at $7.99 per 7 days. DotVoice asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

DotVoice holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Second Phone Number has 5 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

DotVoice ships an update every 3 months, Second Phone Number every 2 weeks. The most recent releases landed on October 10, 2026 and October 28, 2026 respectively.

Scorecard6 real differences · 4 level
DotVoice versus Second Phone Number: the parameters behind the verdict, then further details
ParameterDotVoiceSecond Phone Number
PriceFreeFree
Rating5.0 (1 ratings) — better4.2 (5 ratings)
Positive reviews—100.0% of reviews
Number of ratings15 — better
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better17.6
Further details — not scored
Size80 MB63 MB
Age rating4++4
DeveloperSharktekHASTREE TECHNOLOGIES PRIVATE LIMITED

Customer experience

DotVoice

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Second Phone Number

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

DotVoice

No in-app purchases

3 purchases

Second Phone Number

Subscriptions3
  • Weekly Subscription$7.997 Days
  • Monthly$14.991 Month
  • Yearly$119.991 Year

Questions

Is DotVoice free?
DotVoice is free to download, with no in-app purchases.
Is Second Phone Number free?
Second Phone Number is free to download, with in-app purchases available.
Which has better reviews, DotVoice or Second Phone Number?
DotVoice is rated higher. DotVoice averages 5.0 out of 5 from 1 ratings, while Second Phone Number averages 4.2 from 5 ratings.
Do DotVoice or Second Phone Number have ads?
Neither DotVoice nor Second Phone Number shows ads.
Which is updated more often, DotVoice or Second Phone Number?
DotVoice ships an update every 3 months, and Second Phone Number every 2 weeks. Most recently, DotVoice was updated on October 10, 2026 and Second Phone Number on October 28, 2026.

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