LegiStorm Pro vs EPA VSAT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LegiStorm Pro
Access comprehensive congressional staff and member data on the go. Search and browse essential biographical and contact information for government affairs professionals. Stay informed about legislative activity and engage with key contacts through an intuitive mobile interface.
- Search and browse members and staff
- View biographical and contact information
- Access DC and district office staff details
- Track legislative issues covered by staffers
- View committee and caucus membership
- Access social media and campaign links
Read full descriptionHide full description
Take LegiStorm Pro with you wherever you go with our mobile app for iOS. Monthly and annual subscribers can use their login information to search and browse the essential congressional staff and member data appearing on our website with the ease of an intuitive mobile interface. Features: * Search and browse members and staff by delegation, office, committees and caucuses * View comprehensive, verified member and staff biographical and contact information Member profiles include: * DC and district office staff * List of staffers covering legislative issues * Committee and caucus membership * District map * Social media and campaign links Staffer profiles include: * Verified email addresses * Social media links * Education histories * Photos What is LegiStorm Pro? LegiStorm Pro is a platform for government affairs professionals who need to accurately identify congressional staff, monitor activity on Capitol Hill, and engage with members and staff. The core of LegiStorm Pro is the industry’s most accurate, timely and comprehensive database of contact and biographical data on congressional staff. We track legislative issues covered, roles and titles, education and work histories, disclosures, social media links, and other contextual information. This ensures that our clients accurately identify the correct staff across member offices, committees and caucuses. Want to Learn More? We believe that using LegiStorm Pro is the best method for evaluating its capabilities and value. We offer free 10-day trial subscriptions to organizations that are considering annual subscriptions. To request a demo and trial subscription, please click here. Our Company LegiStorm LLC is a non-partisan, for-profit company that researches, verifies and publishes information about members of Congress and congressional staff. Since 2006, LegiStorm has rapidly grown from being the only provider of congressional salary data to offering a fully integrated Web-based platform for government affairs professionals who need to accurately identify congressional staff, monitor activity on Capitol Hill, and engage with members and staff.
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
Read full descriptionHide full description
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 LegiStorm Pro's 2.0. EPA VSAT also leads on update cadence (fortnightly vs every 11 months). LegiStorm Pro's advantage is ratings volume (4 vs 1) and device support (3 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 2.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.
LegiStorm Pro ships an update every 11 months, EPA VSAT fortnightly. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.
| Parameter | LegiStorm Pro | EPA VSAT |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (4 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 11 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 15.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 5 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | LegiStorm LLC | United States Environmental Protection Agency (USEPA) |
Customer experience
LegiStorm Pro
EPA VSAT
In-app purchases
LegiStorm Pro
No in-app purchases
EPA VSAT
No in-app purchases









