# Copper vs The Abyss

The clearest difference is review sentiment: Copper at 47% against The Abyss's 0%. Copper also leads on rating (3.3 vs 3.0) and ratings volume (13 vs 1). The Abyss's advantage is price (Free vs $4.99). On update cadence, ads and in-app purchases there is nothing between them.

The Abyss is free to download; Copper costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Copper holds the better App Store score, 3.3 against 3.0. That said, the two scores are not equally well evidenced: Copper has 13 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 47% of Copper's written reviews are positive against 0% of The Abyss's.

Copper ships an update every 3 months, The Abyss every 2 months. The most recent releases landed on November 2, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Copper | The Abyss |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[3.3 (13 ratings)](https://appshunter.io/ios/app/copper-eagle-cad-viewer/id1070984826/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/the-abyss-agent-remote/id6785435995/reviews) |
| Number of ratings | **13** | 1 |
| Positive reviews | **47.4% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 78 MB | 11 MB |
| Requires iOS | **9.3** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Phillip Schuster](https://appshunter.io/developer/1048885754) | [Vladimir Adamovic](https://appshunter.io/developer/1875727226) |

## What reviewers say

### Copper

[App page](https://appshunter.io/ios/app/copper-eagle-cad-viewer/id1070984826)

View and analyze EAGLE CAD files, including PCB layouts and schematics, directly on your mobile device. Create and render photorealistic 3D models of your PCBs with customizable lighting and materials. Organize your imported files into a convenient pocket library.

**Highlights:** View EAGLE CAD files, Analyze PCB layouts and schematics, Create 3D PCB models, Assign 3D models to footprints, Real-time photorealistic rendering, Import files from various sources, Organize files in a personal library

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

**In-app purchases:** none


### The Abyss

[App page](https://appshunter.io/ios/app/the-abyss-agent-remote/id6785435995)

Control your self-hosted AI agent from your iOS device. Stream responses live, see tool usage, and attach images. Supports hands-free voice commands and offline transcript viewing. Manage multiple AI instances with a privacy-first design.

**Highlights:** Live token streaming for AI responses, Transparent tool call visualization, Multimodal input with image attachments, Hands-free voice mode with on-device transcription, Server-side, searchable conversation history, Support for multiple AI backends, Privacy-first design with local data storage

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

**In-app purchases:** none


## Frequently asked questions

### Is Copper free?

Copper costs $4.99, with no in-app purchases.

### Is The Abyss free?

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

### Which has better reviews, Copper or The Abyss?

Copper is rated higher. Copper averages 3.3 out of 5 from 13 ratings, while The Abyss averages 3.0 from 1 ratings.

### Do Copper or The Abyss have ads?

Neither Copper nor The Abyss shows ads.

### Which is updated more often, Copper or The Abyss?

Copper ships an update every 3 months, and The Abyss every 2 months. Most recently, Copper was updated on November 2, 2026 and The Abyss on November 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.*