ETC Library vs EPA VSAT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ETC Library
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.
- 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
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ETC Library gives you quick and easy access to ETC’s technical documentation. This virtual binder lets you view, share datasheets, application sheets, brochures and more for all of ETC’s products – anytime, anywhere. Key features • Access to hundreds of documents, including all ETC datasheets • Material organized by product family and category for easy browsing • Share documents easily (Please note: This application intended to deliver basic technical information about ETC’s products and product families. If you are searching for more information than what is provided in this app, please visit www.etcconnect.com.)
EPA VSAT
This tool helps drinking water and wastewater systems assess risks from malevolent acts and natural hazards. It assists in evaluating improvements for enhanced security and resilience, aiding compliance with regulatory requirements.
- Risk assessment for water systems
- Resilience evaluation
- Security improvement assessment
- Compliance with Safe Drinking Water Act
- Assesses malevolent acts and natural hazards
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VSAT is a tool for assessing risk and resilience at drinking water and wastewater systems. It can be used to estimate risks from malevolent acts and natural hazards and to evaluate improvements for increased security and resilience. The Safe Drinking Water Act (SDWA) section 1433 requires that each community water system serving more than 3,300 people assess the risks to and resilience of its system from malevolent acts and natural hazards. EPA designed VSAT Web 3.0 to help water systems comply with SDWA section 1433.
Screenshots
Verdict
The clearest difference is rating: EPA VSAT at 5.0 against ETC Library's 3.8. EPA VSAT also leads on update cadence (fortnightly vs every 3 months). ETC Library's advantage is ratings volume (4 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
EPA VSAT holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 4 and 1 respectively.
ETC Library ships an update every 3 months, EPA VSAT fortnightly. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.
| Parameter | ETC Library | EPA VSAT |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (4 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad — better | iPad |
| Requires iOS | 17 | 16.6 — better |
| Further details — not scored | ||
| Size | 68 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Electronic Theatre Controls, Inc. | United States Environmental Protection Agency (USEPA) |
Customer experience
ETC Library
EPA VSAT
In-app purchases
ETC Library
No in-app purchases
EPA VSAT
No in-app purchases









