# API Debugger vs MatterPrep

The clearest difference is in-app purchases: API Debugger at none against MatterPrep's 2. MatterPrep's advantage is update cadence (every 6 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MatterPrep sells 2 in-app purchases, starting at $49.99 per month. API Debugger asks for nothing beyond the download.

API Debugger ships an update every 3 months, MatterPrep every 6 days. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | API Debugger | MatterPrep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/api-debugger/id1069711788/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 1 MB | 29 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Guilin Cui](https://appshunter.io/developer/848880043) | [ClearPass Technologies LLC](https://appshunter.io/developer/1895187257) |

## What reviewers say

### API Debugger

[App page](https://appshunter.io/ios/app/api-debugger/id1069711788)

This tool helps developers inspect and understand API response data. It provides a clear interface for debugging and analyzing the information received from APIs, aiding in the development process.

**Highlights:** Debug API response data, Analyze data, Clear interface, Aid development process

**Features:** macOS Compatibility

**In-app purchases:** none


### MatterPrep

[App page](https://appshunter.io/ios/app/matterprep-legal-ai-help/id6781106756)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PocketLawyer Pro Monthly | $49.99 | per month |
| PocketLawyer Pro Annual | $199.99 | per year |


## Frequently asked questions

### Is API Debugger free?

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

### Is MatterPrep free?

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

### Do API Debugger or MatterPrep have ads?

Neither API Debugger nor MatterPrep shows ads.

### Which is updated more often, API Debugger or MatterPrep?

API Debugger ships an update every 3 months, and MatterPrep every 6 days. Most recently, API Debugger was updated on October 4, 2026 and MatterPrep on October 12, 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.*