# OpenCone vs MaidKit

The clearest difference is update cadence: MaidKit at weekly against OpenCone's every 4 months. MaidKit also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

OpenCone ships an update every 4 months, MaidKit weekly. The most recent releases landed on October 10, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | OpenCone | MaidKit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/opencone/id6744467668/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free | — |
| Size | 4 MB | 117 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Gunnar Hostetler](https://appshunter.io/developer/1768599987) | [君阳 蒋](https://appshunter.io/developer/1730403373) |

## What reviewers say

### OpenCone

[App page](https://appshunter.io/ios/app/opencone/id6744467668)

This app transforms your iPhone or iPad into a powerful RAG system. It allows you to import various document types for on-device extraction, embedding, and semantic search. Connect to your OpenAI and Pinecone accounts to build a private knowledge base for real-time, citation-backed answers.

**Highlights:** Multi-format document import (PDF, DOCX, TXT, code, etc.), On-device OCR for image text recognition, Semantic search with streaming answers, Real-time citations and metadata filtering, Support for GPT-5 and other advanced models, Secure credential management in Keychain

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

**In-app purchases:** none


### MaidKit

[App page](https://appshunter.io/ios/app/maidkit/id6793576897)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is OpenCone free?

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

### Is MaidKit free?

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

### Do OpenCone or MaidKit have ads?

Neither OpenCone nor MaidKit shows ads.

### Which is updated more often, OpenCone or MaidKit?

OpenCone ships an update every 4 months, and MaidKit weekly. Most recently, OpenCone was updated on October 10, 2026 and MaidKit on September 23, 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.*