# ReversePhone vs interOS

The clearest difference is in-app purchases: interOS at none against ReversePhone's 1. interOS also leads on ads (none vs shown) and update cadence (fortnightly vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ReversePhone sells 1 in-app purchase, starting at $24.99 per month. interOS asks for nothing beyond the download.

ReversePhone ships an update every 2 months, interOS fortnightly. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | ReversePhone | interOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (94 ratings)](https://appshunter.io/ios/app/reversephone-number-lookup/id6593659969/reviews)** | — |
| Number of ratings | **94** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 181 MB | 14 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [ReversePhone, LLC.](https://appshunter.io/developer/1760225404) | [INTEROS - INTERNET SERVICE SAS](https://appshunter.io/developer/6776029844) |

## What reviewers say

### ReversePhone

[App page](https://appshunter.io/ios/app/reversephone-number-lookup/id6593659969)

Instantly identify unknown callers and search any phone number to uncover spam or suspicious activity. This tool also helps detect phishing attempts in URLs and IP addresses, offering a secure way to manage unwanted calls and online threats.

**Highlights:** Reverse phone number search, Identify unknown callers, Spam and scam detection, Block unwanted calls, IP, QR, and URL lookups, Community reports on bad actors

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 25 Reports App + Web | $24.99 | per month |


### interOS

[App page](https://appshunter.io/ios/app/interos/id6776029842)

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

**In-app purchases:** none


## Frequently asked questions

### Is ReversePhone free?

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

### Is interOS free?

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

### Do ReversePhone or interOS have ads?

ReversePhone shows ads; interOS does not.

### Which is updated more often, ReversePhone or interOS?

ReversePhone ships an update every 2 months, and interOS fortnightly. Most recently, ReversePhone was updated on October 24, 2026 and interOS on October 18, 2026.

---

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