# HTTP Headers Pro vs Unspied

The clearest difference is in-app purchases: HTTP Headers Pro at none against Unspied's 2. HTTP Headers Pro also leads on iOS requirement (8.0 vs 16.4). Unspied's advantage is update cadence (every 3 weeks vs every 53 months). On price, ads and device support there is nothing between them.

Both are free to download. Unspied sells 2 in-app purchases, starting at $2.99 per month. HTTP Headers Pro asks for nothing beyond the download.

HTTP Headers Pro ships an update every 53 months, Unspied every 3 weeks. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | HTTP Headers Pro | Unspied |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 53 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 5 MB | 41 MB |
| Requires iOS | **8.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [正东 王](https://appshunter.io/developer/533870496) | [Maksym Koval](https://appshunter.io/developer/6800904975) |

## What reviewers say

### HTTP Headers Pro

[App page](https://appshunter.io/ios/app/http-headers-pro/id1108327475)

This utility app provides detailed information about HTTP requests and responses. It explains the standard protocol between clients and servers, including status codes and message types. Useful for understanding web communication.

**Highlights:** HTTP request/response explanation, Client-server communication standard, Status code breakdown, Message type descriptions, Understanding web protocols

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

**In-app purchases:** none


### Unspied

[App page](https://appshunter.io/ios/app/unspied-privacy-scanner/id6800904973)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unspied Pro Monthly | $2.99 | per month |
| Unspied Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is HTTP Headers Pro free?

HTTP Headers Pro is free to download, with no in-app purchases.

### Is Unspied free?

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

### Do HTTP Headers Pro or Unspied have ads?

Neither HTTP Headers Pro nor Unspied shows ads.

### Which is updated more often, HTTP Headers Pro or Unspied?

HTTP Headers Pro ships an update every 53 months, and Unspied every 3 weeks. Most recently, HTTP Headers Pro was updated on October 7, 2026 and Unspied on October 16, 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.*