# 404 Network vs PromptSentry

The clearest difference is device support: 404 Network at 5 against PromptSentry's 2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 404 Network sells 3 in-app purchases, starting at $4.99 per month and PromptSentry sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

404 Network ships an update weekly, PromptSentry every 5 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | 404 Network | PromptSentry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/404-network/id6760702536/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Freemium | — |
| Size | 187 MB | 378 MB |
| Requires iOS | **26.2** | 26.4 |
| Devices | **iPhone, iPad, Mac, Apple TV, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Christine Martin](https://appshunter.io/developer/1874045866) | [TOLGA BARIS KOC](https://appshunter.io/developer/1828512205) |

## What reviewers say

### 404 Network

[App page](https://appshunter.io/ios/app/404-network/id6760702536)

This app offers a comprehensive suite of network diagnostic tools for iOS and macOS. It provides professional-grade features for network engineers and security enthusiasts, with options for advanced AI assistance and remote diagnostics.

**Highlights:** Real ICMP Ping with live latency charts, Visual Traceroute with hop-by-hop analysis, DNS Lookup with multiple server comparison, Port Scanner with service detection, AI Assistant powered by Claude or Apple Intelligence, Remote Sensor dispatch, NFC Toolkit

**Features:** Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro+ Monthly | $4.99 | per month |
| Pro+ Annual | $49.99 | per year |
| 404 Pro | $9.99 | one-time |


### PromptSentry

[App page](https://appshunter.io/ios/app/promptsentry/id6762153225)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PromptSentry Ultra | $8.99 | one-time |


## Frequently asked questions

### Is 404 Network free?

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

### Is PromptSentry free?

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

### Do 404 Network or PromptSentry have ads?

Neither 404 Network nor PromptSentry shows ads.

### Which is updated more often, 404 Network or PromptSentry?

404 Network ships an update weekly, and PromptSentry every 5 days. Most recently, 404 Network was updated on October 28, 2026 and PromptSentry on October 28, 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.*