# Copper vs iSuperZip

The clearest difference is price: iSuperZip at Free against Copper's $4.99. iSuperZip also leads on rating (5.0 vs 3.3) and update cadence (fortnightly vs every 3 months). Copper's advantage is in-app purchases (none vs 1) and ratings volume (13 vs 1). On ads and device support there is nothing between them.

iSuperZip is free to download; Copper costs $4.99 up front. iSuperZip sells 1 one-off in-app purchase. Copper asks for nothing beyond the download.

iSuperZip holds the better App Store score, 5.0 against 3.3. 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.

Copper ships an update every 3 months, iSuperZip fortnightly. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Copper | iSuperZip |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [3.3 (13 ratings)](https://appshunter.io/ios/app/copper-eagle-cad-viewer/id1070984826/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/isuperzip-extract-rarzip7z/id6744846150/reviews)** |
| Number of ratings | **13** | 1 |
| Positive reviews | 47.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 78 MB | 10 MB |
| Requires iOS | **9.3** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Phillip Schuster](https://appshunter.io/developer/1048885754) | [群英 廖](https://appshunter.io/developer/1679470459) |

## 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


### iSuperZip

[App page](https://appshunter.io/ios/app/isuperzip-extract-rarzip7z/id6744846150)

This tool efficiently compresses and decompresses various file formats, including RAR, 7Z, and ZIP. It offers secure encryption, a built-in viewer for media and documents, and robust privacy protection for your data.

**Highlights:** Supports hundreds of file formats (RAR, 7Z, ZIP, etc.), Handles large volume decompression, Secure file compression and encryption, Built-in viewer for videos and documents, Privacy protection and no data collection

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - Unlimited | $8.99 | one-time |


## Frequently asked questions

### Is Copper free?

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

### Is iSuperZip free?

iSuperZip is free to download, with in-app purchases available.

### Which has better reviews, Copper or iSuperZip?

iSuperZip is rated higher. Copper averages 3.3 out of 5 from 13 ratings, while iSuperZip averages 5.0 from 1 ratings.

### Do Copper or iSuperZip have ads?

Neither Copper nor iSuperZip shows ads.

### Which is updated more often, Copper or iSuperZip?

Copper ships an update every 3 months, and iSuperZip fortnightly. Most recently, Copper was updated on November 2, 2026 and iSuperZip on October 30, 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.*