# WaveZense vs Second Phone Number

The clearest difference is in-app purchases: WaveZense at none against Second Phone Number's 10. WaveZense also leads on ads (none vs shown). Second Phone Number's advantage is iOS requirement (15.0 vs 18.2). On price, update cadence and device support there is nothing between them.

Both are free to download. Second Phone Number sells 10 in-app purchases, starting at $1.99 per 7 days. WaveZense asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 5, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | WaveZense | Second Phone Number |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (166 ratings)](https://appshunter.io/ios/app/second-phone-number-secondly/id6749067566/reviews)** |
| Number of ratings | — | **166** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 87 MB |
| Requires iOS | 18.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MetricLoggerApS](https://appshunter.io/developer/1823816021) | [Vora Bhavik](https://appshunter.io/developer/1463934943) |

## What reviewers say

### WaveZense

[App page](https://appshunter.io/ios/app/wavezense/id6747997601)

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

**In-app purchases:** none


### Second Phone Number

[App page](https://appshunter.io/ios/app/second-phone-number-secondly/id6749067566)

Get a dedicated second phone number for unlimited, high-quality calls without needing a new SIM card. Ideal for business, personal privacy, or managing multiple projects with crystal-clear VoIP technology.

**Highlights:** Real US/Canada numbers, Unlimited calling, International calling, HD-quality VoIP calls, Privacy protection, Call recording, Voicemail service

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Access – Weekly Pack | $1.99 | per 7 days |
| Pro Plus Access – Weekly Plan | $2.99 | per 7 days |
| Pro Access – Monthly Pack | $5.99 | per month |
| Pro Plus Access – Monthly Plan | $7.99 | per month |
| Pro Access – Annual Pack | $39.99 | per year |
| Pro Plus Access – Yearly Plan | $49.99 | per year |
| Unblock user | $4.99 | one-time |
| Reactivate Account | $5.99 | one-time |
| 100 Credits | $9.99 | one-time |
| 1000 Credits | $39.99 | one-time |


## Frequently asked questions

### Is WaveZense free?

WaveZense 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 WaveZense or Second Phone Number have ads?

Second Phone Number shows ads; WaveZense does not.

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

WaveZense ships an update monthly, and Second Phone Number monthly. Most recently, WaveZense was updated on November 5, 2026 and Second Phone Number on November 8, 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.*