# ETC Library vs WaveLinx CAT

The clearest difference is rating: WaveLinx CAT at 4.0 against ETC Library's 3.8. WaveLinx CAT also leads on iOS requirement (14.0 vs 17). On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

WaveLinx CAT holds the better App Store score, 4.0 against 3.8. Both are backed by a comparable volume of ratings — 4 and 4 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

ETC Library ships an update every 3 months, WaveLinx CAT every 4 months. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | ETC Library | WaveLinx CAT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (4 ratings)](https://appshunter.io/ios/app/etc-library/id733300518/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/wavelinx-cat/id6463457930/reviews)** |
| Number of ratings | 4 | 4 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 68 MB | 102 MB |
| Requires iOS | 17 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Electronic Theatre Controls, Inc.](https://appshunter.io/developer/318210459) | [Cooper Lighting](https://appshunter.io/developer/522827071) |

## What reviewers say

### ETC Library

[App page](https://appshunter.io/ios/app/etc-library/id733300518)

Access technical documentation for a wide range of products. Browse and share datasheets, application sheets, and brochures organized by product family. This virtual binder provides quick access to essential product information.

**Highlights:** Access to hundreds of technical documents, Organized by product family and category, View datasheets, application sheets, and brochures, Easy document sharing, Offline access to downloaded documents

**Features:** Vision Pro support

**In-app purchases:** none


### WaveLinx CAT

[App page](https://appshunter.io/ios/app/wavelinx-cat/id6463457930)

Configure and manage WaveLinx CAT lighting systems for commercial spaces. This application allows users to create zones, adjust sensor settings, modify scenes, and update device firmware. A Bluetooth Programming Interface (BPI) is required for operation.

**Highlights:** Scan and read CAT devices, Create and manage zones, Adjust occupancy and daylight sensors, Modify lighting scenes, Update device firmware

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ETC Library free?

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

### Is WaveLinx CAT free?

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

### Which has better reviews, ETC Library or WaveLinx CAT?

WaveLinx CAT is rated higher. ETC Library averages 3.8 out of 5 from 4 ratings, while WaveLinx CAT averages 4.0 from 4 ratings.

### Do ETC Library or WaveLinx CAT have ads?

Neither ETC Library nor WaveLinx CAT shows ads.

### Which is updated more often, ETC Library or WaveLinx CAT?

ETC Library ships an update every 3 months, and WaveLinx CAT every 4 months. Most recently, ETC Library was updated on October 24, 2026 and WaveLinx CAT on October 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.*