# MATTR GO Hold vs API Tester REST API HTTP SOAP

The clearest difference is review sentiment: MATTR GO Hold at 100% against API Tester REST API HTTP SOAP's 67%. API Tester REST API HTTP SOAP's advantage is update cadence (daily vs every 2 months) and iOS requirement (11.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MATTR GO Hold ships an update every 2 months, API Tester REST API HTTP SOAP daily. The most recent releases landed on September 10, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | MATTR GO Hold | API Tester REST API HTTP SOAP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (15 ratings)](https://appshunter.io/ios/app/api-tester-rest-api-http-soap/id6464551099/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free | Free |
| Size | 57 MB | 31 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MATTR Limited](https://appshunter.io/developer/1487949165) | [NEURASYNC](https://appshunter.io/developer/1639101560) |

## What reviewers say

### MATTR GO Hold

[App page](https://appshunter.io/ios/app/mattr-go-hold/id1518660243)

Securely collect, store, and present verifiable digital credentials. This tool allows for selective information sharing and supports multiple credential formats and protocols for trusted interactions.

**Highlights:** Credential collection and presentation, Biometric authentication, Selective information disclosure, Supports multiple credential formats, Multi-protocol support, Activity log

**Features:** Vision Pro support

**In-app purchases:** none


### API Tester REST API HTTP SOAP

[App page](https://appshunter.io/ios/app/api-tester-rest-api-http-soap/id6464551099)

This application provides a unified environment for developers and QA engineers to test, debug, and analyze various API types including REST, GraphQL, WebSocket, SOAP, JSON RPC, and XML. It offers features like CRUD operations, authentication support, query validation, real-time interaction, and WSDL file loading for comprehensive API testing.

**Highlights:** REST API Testing (CRUD, HTTP methods), GraphQL query and mutation testing, Real-time WebSocket interaction, SOAP API testing with WSDL import, JSON RPC and XML API testing, Import/export test configurations, Integrated logs and reports

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

**In-app purchases:** none


## Frequently asked questions

### Is MATTR GO Hold free?

MATTR GO Hold is free to download, with no in-app purchases.

### Is API Tester REST API HTTP SOAP free?

API Tester REST API HTTP SOAP is free to download, with no in-app purchases.

### Do MATTR GO Hold or API Tester REST API HTTP SOAP have ads?

Neither MATTR GO Hold nor API Tester REST API HTTP SOAP shows ads.

### Which is updated more often, MATTR GO Hold or API Tester REST API HTTP SOAP?

MATTR GO Hold ships an update every 2 months, and API Tester REST API HTTP SOAP daily. Most recently, MATTR GO Hold was updated on September 10, 2026 and API Tester REST API HTTP SOAP on September 13, 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.*