# KaliPhone vs Second Phone Number

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.

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.

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.

## The numbers

| Metric | KaliPhone | Second Phone Number |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (5 ratings)](https://appshunter.io/ios/app/second-phone-number-us/id6763558241/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 59 MB | 63 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [DYLAN ALVARO OTERO](https://appshunter.io/developer/1888017857) | [HASTREE TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/1814419291) |

## What reviewers say

### KaliPhone

[App page](https://appshunter.io/ios/app/kaliphone/id6761145994)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Second Phone Number

[App page](https://appshunter.io/ios/app/second-phone-number-us/id6763558241)

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:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $7.99 | per 7 days |
| Monthly | $14.99 | per month |
| Yearly | $119.99 | per year |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*