# Mobility+ vs Second Phone Number

The clearest difference is in-app purchases: Mobility+ at none against Second Phone Number's 10. Mobility+ also leads on iOS requirement (9.0 vs 15.1). Second Phone Number's advantage is update cadence (weekly vs every 8 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Second Phone Number sells 10 one-off in-app purchases. Mobility+ asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Mobility+ against 5.0 for Second Phone Number. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Mobility+ ships an update every 8 months, Second Phone Number weekly. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Mobility+ | Second Phone Number |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/mobility-plus/id1017335865/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/second-phone-number-simbuster/id6532617922/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 90 MB | 63 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AudioCodes](https://appshunter.io/developer/378731532) | [Tierra Digital Limited](https://appshunter.io/developer/1738886708) |

## What reviewers say

### Mobility+

[App page](https://appshunter.io/ios/app/mobility-plus/id1017335865)

This mobile VoIP solution allows users to make high-quality voice calls over Wi-Fi and cellular data networks. It integrates with existing contacts and can intercept cellular calls and SMS messages. Service providers can deploy this for their customers to expand their mobile IP offerings.

**Highlights:** High-quality VoIP calls over Wi-Fi/cellular data, Integrates with existing address book, Intercepts cellular calls and SMS, Runs in background for incoming calls, 3-way calling, Call logs, Bluetooth support

**Features:** macOS Compatibility

**In-app purchases:** none


### Second Phone Number

[App page](https://appshunter.io/ios/app/second-phone-number-simbuster/id6532617922)

This app provides a second phone number for private communication, business, or travel. It features an AI receptionist, IVR call routing, and travel eSIMs. Manage calls and texts without needing a second device or physical SIM.

**Highlights:** Second phone number for calls and texts, AI receptionist and IVR call routing, Virtual number for private communication, Travel eSIM data plans, Mobile top-ups, AI voice avatars for greetings

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Speech credit 1.99 | $1.99 | one-time |
| Sms Credit $1.99 | $1.99 | one-time |
| Speech Credit 1.99 | $1.99 | one-time |
| Sms credit 3.99 | $3.99 | one-time |
| Speech credit 3.99 | $3.99 | one-time |
| Speech Credit 3.99 | $3.99 | one-time |
| Sms Credit $3.99 | $3.99 | one-time |
| Speech credit 6.99 | $6.99 | one-time |
| Speech Credit 6.99 | $6.99 | one-time |
| Sms Credit 6.99 | $6.99 | one-time |


## Frequently asked questions

### Is Mobility+ free?

Mobility+ 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, Mobility+ or Second Phone Number?

Mobility+ and Second Phone Number are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Mobility+ or Second Phone Number have ads?

Neither Mobility+ nor Second Phone Number shows ads.

### Which is updated more often, Mobility+ or Second Phone Number?

Mobility+ ships an update every 8 months, and Second Phone Number weekly. Most recently, Mobility+ was updated on November 1, 2026 and Second Phone Number on October 30, 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.*