# Applin Tester vs OpenCone

The clearest difference is update cadence: Applin Tester at monthly against OpenCone's every 4 months. Applin Tester also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.6). On price, ads and in-app purchases there is nothing between them.

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

Applin Tester ships an update monthly, OpenCone every 4 months. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Applin Tester | OpenCone |
| --- | --- | --- |
| 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 | **Monthly** | Every 4 months |
| Monetization | — | Free |
| Size | 1 MB | 4 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Leonhard LLC](https://appshunter.io/developer/1446386249) | [Gunnar Hostetler](https://appshunter.io/developer/1768599987) |

## What reviewers say

### Applin Tester

[App page](https://appshunter.io/ios/app/applin-tester/id6464230000)

**Features:** macOS Compatibility

**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 Applin Tester free?

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

### Is OpenCone free?

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

### Do Applin Tester or OpenCone have ads?

Neither Applin Tester nor OpenCone shows ads.

### Which is updated more often, Applin Tester or OpenCone?

Applin Tester ships an update monthly, and OpenCone every 4 months. Most recently, Applin Tester was updated on October 6, 2026 and OpenCone on October 10, 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.*