# API Vault vs SSE Inspector

The clearest difference is in-app purchases: SSE Inspector at none against API Vault's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. API Vault sells 3 one-off in-app purchases. SSE Inspector asks for nothing beyond the download.

## The numbers

| Metric | API Vault | SSE Inspector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sse-inspector-llm-api-client/id6782099094/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Free |
| Size | 1 MB | 3 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [NICHOLAS ERWIN HEITKAMP](https://appshunter.io/developer/1867627286) | [猛 李](https://appshunter.io/developer/6779653099) |

## What reviewers say

### API Vault

[App page](https://appshunter.io/ios/app/api-vault-neural-gateway/id6760729213)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Node O Compute Pack | $4.99 | one-time |
| Node D Compute Pack | $4.99 | one-time |
| Neural Voice Compute Pack | $9.99 | one-time |


### SSE Inspector

[App page](https://appshunter.io/ios/app/sse-inspector-llm-api-client/id6782099094)

Debug AI API streams with this tool that preserves SSE responses, showing every packet, semantic delta, and timing. It supports multiple AI models and imports cURL commands for easy session management, editing, and sharing.

**Highlights:** Preserves original SSE responses, Displays packet details and timing, Supports OpenAI, Claude, Gemini, Ollama, Llama, Imports sessions via cURL commands, Edits, reruns, and shares debugging sessions, No account required, data stays on device

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is API Vault free?

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

### Is SSE Inspector free?

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

### Do API Vault or SSE Inspector have ads?

Neither API Vault nor SSE Inspector shows ads.

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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.*