# OpenAssistant vs PIPE

The clearest difference is price: OpenAssistant at Free against PIPE's $2.99. PIPE's advantage is update cadence (every 2 days vs every 3 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

OpenAssistant is free to download; PIPE costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

OpenAssistant ships an update every 3 weeks, PIPE every 2 days. The most recent releases landed on September 23, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | OpenAssistant | PIPE |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/openassistant/id6692613772/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Free | — |
| Size | 5 MB | 36 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Gunnar Hostetler](https://appshunter.io/developer/1768599987) | [Kubicle LLC](https://appshunter.io/developer/1679797468) |

## What reviewers say

### OpenAssistant

[App page](https://appshunter.io/ios/app/openassistant/id6692613772)

This app allows users to create and manage custom AI assistants for quick answers about files. It integrates with vector stores for efficient semantic search and supports natural conversations with uploaded documents.

**Highlights:** Create and customize AI assistants, Manage multiple assistants, Integrate with vector stores, Upload and search multiple file types, Natural language conversations with documents, Choose ChatGPT models

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

**In-app purchases:** none


### PIPE

[App page](https://appshunter.io/ios/app/pipe-api-testing-tool/id6760269507)

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

**In-app purchases:** none


## Frequently asked questions

### Is OpenAssistant free?

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

### Is PIPE free?

PIPE costs $2.99, with no in-app purchases.

### Do OpenAssistant or PIPE have ads?

Neither OpenAssistant nor PIPE shows ads.

### Which is updated more often, OpenAssistant or PIPE?

OpenAssistant ships an update every 3 weeks, and PIPE every 2 days. Most recently, OpenAssistant was updated on September 23, 2026 and PIPE on September 21, 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.*