# Second Phone Number vs Prognosticator AI

The clearest difference is in-app purchases: Prognosticator AI at none against Second Phone Number's 10. Prognosticator AI also leads on ads (none vs shown) and update cadence (every 8 days vs monthly). On price 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. Prognosticator AI asks for nothing beyond the download.

Second Phone Number ships an update monthly, Prognosticator AI every 8 days. The most recent releases landed on October 25, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Second Phone Number | Prognosticator AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (167 ratings)](https://appshunter.io/ios/app/second-phone-number-secondly/id6749067566/reviews)** | — |
| Number of ratings | **167** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 87 MB | 36 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vora Bhavik](https://appshunter.io/developer/1463934943) | [Michael Kauffman](https://appshunter.io/developer/1843577500) |

## What reviewers say

### 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 |


### Prognosticator AI

[App page](https://appshunter.io/ios/app/prognosticator-ai/id6753336452)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Second Phone Number free?

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

### Is Prognosticator AI free?

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

### Do Second Phone Number or Prognosticator AI have ads?

Second Phone Number shows ads; Prognosticator AI does not.

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

Second Phone Number ships an update monthly, and Prognosticator AI every 8 days. Most recently, Second Phone Number was updated on October 25, 2026 and Prognosticator AI on October 11, 2026.

---

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