# PulseHD vs Second number

The clearest difference is in-app purchases: PulseHD at none against Second number's 7. PulseHD also leads on update cadence (every 8 days vs every 3 weeks). Second number's advantage is review sentiment (20% vs 11%) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Second number sells 7 in-app purchases, starting at $2.99 per month. PulseHD asks for nothing beyond the download.

PulseHD ships an update every 8 days, Second number every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | PulseHD | Second number |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (6 ratings)](https://appshunter.io/ios/app/second-number-2nd-phone-line/id6443537842/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | 11.1% of reviews | **20.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 56 MB | 53 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NEBULA CLOUD LIMITED](https://appshunter.io/developer/1157972118) | [Recorn Limited](https://appshunter.io/developer/1646934706) |

## What reviewers say

### PulseHD

[App page](https://appshunter.io/ios/app/pulsehd/id1441810879)

This app provides business-grade Voice over IP (VoIP) services for mobile professionals. It allows users to make and receive calls using their main business landline number or internal extensions, offering cost savings and full functionality from any location.

**Highlights:** Business VoIP calls, Internal colleague calls, Main business landline number, Cost savings on calls, Anytime, anywhere access, Desk phone features on mobile

**Features:** macOS Compatibility, Siri integration

**In-app purchases:** none


### Second number

[App page](https://appshunter.io/ios/app/second-number-2nd-phone-line/id6443537842)

This app provides a secondary phone number on your existing device, allowing you to separate personal and professional communications. It offers easy setup, affordable subscription plans, and features like voicemail and call forwarding for enhanced privacy and organization.

**Highlights:** Second phone number on existing device, Separate personal and professional life, Easy setup in minutes, Affordable subscription options, Voicemail and call forwarding, Customizable caller ID

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Phone number for 1 month | $2.99 | per month |
| Phone number for 1 week | $3.99 | per 7 days |
| Phone number for 1 year | $12.99 | per year |
| SMS Activation | $0.99 | one-time |
| SMS Activation | $1.99 | one-time |
| SMS Activation | $2.99 | one-time |
| SMS Activation | $4.99 | one-time |


## Frequently asked questions

### Is PulseHD free?

PulseHD is free to download, with no in-app purchases.

### Is Second number free?

Second number is free to download, with in-app purchases available.

### Do PulseHD or Second number have ads?

Neither PulseHD nor Second number shows ads.

### Which is updated more often, PulseHD or Second number?

PulseHD ships an update every 8 days, and Second number every 3 weeks. Most recently, PulseHD was updated on November 2, 2026 and Second number on November 3, 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.*