# CodingKB vs OpenCone

The clearest difference is price: OpenCone at Free against CodingKB's $1.99. CodingKB's advantage is chart position (#153 vs unranked). On rating, ratings volume, update cadence and ads there is nothing between them.

OpenCone is free to download; CodingKB costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for CodingKB against 5.0 for OpenCone. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

CodingKB ships an update every 6 months, OpenCone every 5 months. The most recent releases landed on September 20, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | CodingKB | OpenCone |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/codingkb/id6740705541/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/opencone/id6744467668/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Monetization | Paid | **Free** |
| Best chart rank | **#153** | — |
| Size | 5 MB | 4 MB |
| Requires iOS | 18.1 | **17.6** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [杰 瓮](https://appshunter.io/developer/1653886638) | [Gunnar Hostetler](https://appshunter.io/developer/1768599987) |

## What reviewers say

### CodingKB

[App page](https://appshunter.io/ios/app/codingkb/id6740705541)

**Currently charting:** #153 Top Paid · Developer Tools (US App Store)

This app provides a specialized keyboard designed to streamline coding on mobile devices. It eliminates the need to frequently switch between character sets, offering direct access to essential symbols and numbers.

**Highlights:** Simplified coding workflow, Direct access to characters, numbers, and punctuation, Reduced need for keyboard switching, Enhanced mobile coding efficiency

**In-app purchases:** none


### 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


## Frequently asked questions

### Is CodingKB free?

CodingKB costs $1.99, with no in-app purchases.

### Is OpenCone free?

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

### Which has better reviews, CodingKB or OpenCone?

CodingKB and OpenCone are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do CodingKB or OpenCone have ads?

Neither CodingKB nor OpenCone shows ads.

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

CodingKB ships an update every 6 months, and OpenCone every 5 months. Most recently, CodingKB was updated on September 20, 2026 and OpenCone on September 24, 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.*