# U Call Pay vs Second Phone Number

The clearest difference is review sentiment: U Call Pay at 98% against Second Phone Number's 0%. U Call Pay also leads on in-app purchases (none vs 10) and ads (none vs shown). On price, update cadence, device support and iOS requirement 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. U Call Pay asks for nothing beyond the download.

U Call Pay holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: U Call Pay has 1K ratings behind it against 147, so its average is the more settled of the two. Written reviews point the same way: 98% of U Call Pay's written reviews are positive against 0% of Second Phone Number's.

U Call Pay ships an update every 3 weeks, Second Phone Number monthly. The most recent releases landed on October 20, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | U Call Pay | Second Phone Number |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1K ratings)](https://appshunter.io/ios/app/u-call-pay/id1492178675/reviews)** | [4.6 (147 ratings)](https://appshunter.io/ios/app/second-phone-number-secondly/id6749067566/reviews) |
| Number of ratings | **1K** | 147 |
| Positive reviews | **97.9% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 60 MB | 87 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [3 Billionaires Corp](https://appshunter.io/developer/1476105863) | [Vora Bhavik](https://appshunter.io/developer/1463934943) |

## What reviewers say

### U Call Pay

[App page](https://appshunter.io/ios/app/u-call-pay/id1492178675)

Manage your phone number privately and make/receive calls without revealing your primary number. This app also offers a secure and user-friendly way to top up your prepaid mobile service.

**Highlights:** Private phone number management, Make and receive calls privately, Secure prepaid mobile top-up, User-friendly interface, Seamless navigation

**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 U Call Pay free?

U Call Pay 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, U Call Pay or Second Phone Number?

U Call Pay is rated higher. U Call Pay averages 4.8 out of 5 from 1K ratings, while Second Phone Number averages 4.6 from 147 ratings.

### Do U Call Pay or Second Phone Number have ads?

Second Phone Number shows ads; U Call Pay does not.

### Which is updated more often, U Call Pay or Second Phone Number?

U Call Pay ships an update every 3 weeks, and Second Phone Number monthly. Most recently, U Call Pay was updated on October 20, 2026 and Second Phone Number on October 19, 2026.

---

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