Comparison

KaliPhone 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

KaliPhone

Make and receive phone calls online with a dedicated number. Offers a contacts list, call history, and a dialer. This service provides a virtual phone line for internet-based communication.

Highlights
  • Make and receive calls online
  • Dedicated virtual phone number
  • Built-in contacts list
  • Call history
  • Familiar dialer interface
Features
Read full description

KaliPhone — Make and receive real phone calls over the internet using your own dedicated number. Features include a built-in contacts list, call history, and a familiar dialer interface.

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

KaliPhone4 screens
Second Phone Number4 screens

Verdict

The call

The clearest difference is in-app purchases: KaliPhone at none against Second Phone Number's 3. KaliPhone also leads on iOS requirement (15.1 vs 17.6). Second Phone Number's advantage is update cadence (every 2 weeks vs every 4 weeks). On price, review sentiment, 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. KaliPhone asks for nothing beyond the download.

UpkeepUpdate frequency

KaliPhone ships an update every 4 weeks, Second Phone Number every 2 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

Scorecard4 real differences · 6 level
KaliPhone versus Second Phone Number: the parameters behind the verdict, then further details
ParameterKaliPhoneSecond Phone Number
PriceFreeFree
Rating—4.2 (5 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings—5 — better
Update frequencyEvery 4 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better17.6
Further details — not scored
Size59 MB63 MB
Age rating4++4
DeveloperDYLAN ALVARO OTEROHASTREE TECHNOLOGIES PRIVATE LIMITED

Customer experience

KaliPhone

Written reviews1 reviews
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

KaliPhone

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 KaliPhone free?
KaliPhone 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.
Do KaliPhone or Second Phone Number have ads?
Neither KaliPhone nor Second Phone Number shows ads.
Which is updated more often, KaliPhone or Second Phone Number?
KaliPhone ships an update every 4 weeks, and Second Phone Number every 2 weeks. Most recently, KaliPhone was updated on October 24, 2026 and Second Phone Number on October 28, 2026.

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