# ETC Library vs Blackout v2 (Legacy)

The clearest difference is review sentiment: Blackout v2 (Legacy) at 76% against ETC Library's 0%. Blackout v2 (Legacy) also leads on rating (5.0 vs 3.8) and update cadence (monthly vs every 3 months). ETC Library's advantage is in-app purchases (none vs 1). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Blackout v2 (Legacy) sells 1 one-off in-app purchase. ETC Library asks for nothing beyond the download.

Blackout v2 (Legacy) holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 4 and 7 respectively. Written reviews point the same way: 0% of ETC Library's written reviews are positive against 76% of Blackout v2 (Legacy)'s.

ETC Library ships an update every 3 months, Blackout v2 (Legacy) monthly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ETC Library | Blackout v2 (Legacy) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (4 ratings)](https://appshunter.io/ios/app/etc-library/id733300518/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/blackout-v2-legacy/id1414562959/reviews)** |
| Number of ratings | 4 | **7** |
| Positive reviews | 0.0% of reviews | **76.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 71 MB | 359 MB |
| Requires iOS | **17** | 18.0 |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Electronic Theatre Controls, Inc.](https://appshunter.io/developer/318210459) | [Blackout Lighting Console Inc.](https://appshunter.io/developer/1896466673) |

## 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


### Blackout v2 (Legacy)

[App page](https://appshunter.io/ios/app/blackout-v2-legacy/id1414562959)

This professional lighting console app offers an intuitive interface and powerful effects engine for controlling DMX, Art-Net, and sACN lighting setups. It features a vast cloud fixture database, custom fixture creation, and advanced control options for seamless lighting design and execution.

**Highlights:** Cloud Fixture Database, Custom Fixture Creation, Streamlined Fixture Patching, Intuitive Fixture Controls, Multi-Cuelist Platform, Dynamic Effects Engine, Advanced MIDI Support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Plan | $799.99 | one-time |


## Frequently asked questions

### Is ETC Library free?

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

### Is Blackout v2 (Legacy) free?

Blackout v2 (Legacy) is free to download, with in-app purchases available.

### Which has better reviews, ETC Library or Blackout v2 (Legacy)?

Blackout v2 (Legacy) is rated higher. ETC Library averages 3.8 out of 5 from 4 ratings, while Blackout v2 (Legacy) averages 5.0 from 7 ratings.

### Do ETC Library or Blackout v2 (Legacy) have ads?

Neither ETC Library nor Blackout v2 (Legacy) shows ads.

### Which is updated more often, ETC Library or Blackout v2 (Legacy)?

ETC Library ships an update every 3 months, and Blackout v2 (Legacy) monthly. Most recently, ETC Library was updated on October 29, 2026 and Blackout v2 (Legacy) on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*