LegiStorm Pro vs Nucleus Connect
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
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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.
Nucleus Connect
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Nucleus Connect lets you access core campaign management tools on the go: See the latest fundraising stats! Check on the impact of your latest e-blast! Send a quick press release!
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Verdict
The clearest difference is update cadence: Nucleus Connect at every 4 months against LegiStorm Pro's every 11 months. LegiStorm Pro's advantage is device support. On price, in-app purchases and iOS requirement 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.
LegiStorm Pro ships an update every 11 months, Nucleus Connect every 4 months. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.
| Parameter | LegiStorm Pro | Nucleus Connect |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (4 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 11 months | Every 4 months — better |
| Ads | No | — |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | — |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 5 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | LegiStorm LLC | Campaign Nucleus |
In-app purchases
LegiStorm Pro
No in-app purchases
Nucleus Connect
No in-app purchases









