The Best 401(k) Prospecting Tools: A Fair, Sourced Comparison

Source: Judy Diamond store, 401kHunter pricing, and FreeERISA product page (store-listed / as published, observed 2026-09-13; 401kHunter pricing read 2026-09-23).

Nine tools anchor this comparison, and the eight we did not build are genuinely good at their jobs — so this is a fair accounting of all nine, including where each one is the wrong choice. One disclosure up front: we build FiduciarySignal, so hold our rows to the standard you would hold anyone grading their own homework. Every competitor number below was checked against the vendor's own page on 2026-09-13 (401kHunter re-checked on 2026-09-23), with the URL printed next to it. Where a vendor publishes no price, we say "not published" rather than repeating an estimate from somebody's affiliate blog. Four of the nine publish no price at all, which is itself the most useful fact on this page.

Why is 401(k) prospecting so hard without software?

The math of cold prospecting is brutal for a structural reason, not because you are bad at it. According to Steven Wilkinson via 401(k) Specialist, roughly nine hours of cold calling generates one appointment a week. According to Sharon Pivirotto of 401kbestpractices.com, "90% or more of all plans you're introduced to won't have a need," with a typical cycle around nine months in the small market and up to two years for larger plans. The problem is not effort. It is timing.

The demand side says the same thing from the other direction. According to Fidelity, as reported by Fred Barstein at WealthManagement.com (Feb 2024), 22% of plan sponsors were actively searching for a new advisor in 2023, and 37% made a change over the prior twelve months. Sponsors are moving constantly. The hard part is knowing which ones, in your territory, this quarter. Every tool below is an attempt to answer that with Form 5500 data — they just answer it very differently.

Meanwhile the specialist bench is thin. Cerulli counts 311,305 US financial advisors (PLANADVISER, Feb 2025), of whom only about 4% specialize in retirement plans (InvestmentNews, Jul 2025). A growing market plus scarce specialists means the advisors who systematize prospecting first are positioned to benefit most. That is the case for the whole category.

How do the best 401(k) prospecting tools compare?

The table is the honest version of the category — what each tool is best at, what it publishes about its own data, how it charges, and whether it attempts forward prediction at all. Most do not, and for most of their histories they did not need to.

Sources for every figure in that table, all observed 2026-09-13 unless noted: store.judydiamond.com/prospector-plus/prospector.html and judydiamond.com/products/retirement-plan-prospector/; rixtrema.com/blog/larkspur-executive-infographic/ (as published 2018-11-14); 401khunter.com/pricing and 401khunter.com (as published, read 2026-09-23); judydiamond.com/products/freeerisa/; issmarketintelligence.com — MarketPro Retirement; advizorpro.com/data/planpro; PR Newswire — John Hancock Prospect Finder launch (as published 2022-07-26); BBB profile — Blustar Leads Inc.

Judy Diamond Retirement Plan Prospector+

The longest track record in the category, and one of the few vendors in the category with a public store where you can see a price and buy with a card. Its product page claims "Access 800,000+ retirement plans using 500+ advanced search fields" and wraps them in Red Flags, Plan Score Cards, performance-based benchmarking, pre-generated talking points, dynamic marketing letters, and CRM export — a complete research-and-meeting-prep workflow. Its store lists the National Edition at $3,900/Year (953,666 plans), regions at $2,500, and states at $795–$995, all single-user. Source: Judy Diamond store and product page (observed 2026-09-13). The company's footer now reads "© 2026 Touchpoint Markets." The trade-off: no change monitoring and no forward switch ranking appear on its published pages. It grades the past exceptionally well.

Larkspur Executive (RiXtrema)

RiXtrema acquired Larkspur Data in an acquisition announced 2018-02-01, pairing Larkspur's plan and plan-executive data with RiXtrema's fee-optimization and fiduciary diagnostics. Source: fa-mag.com (as published 2018-02-01). If your bottleneck is reaching a human — or you want a quantified fee-savings argument to put in front of a committee — that combination is the genuine reason to pick it. On coverage, the only specific coverage claims we could find (850K+ ERISA plans, 1.2 million plan executives) are dated 2018-11-14 and conflict with the 500,000-plan figure in the acquisition coverage, and pricing is per-seat store pricing (observed 2026-09-24).

401kHunter

The newest pricing model in the category and, along with Judy Diamond, one of only two tools here that publishes real numbers. It is free Form 5500 search with credit-metered unlocks: searching needs no account, signup adds 50 free credits, one-time credit packs start at $25 (10¢ a credit, never expiring), and Pro is $100/month or $1,000/year. Monthly includes 1,500 credits that roll over; its FAQ lists the annual price and all 18,000 credits delivered up front, while the pricing page shows the annual option as "2 months free". Individual actions are priced in credits — plan financials 10, a decision-maker contact 30, a direct phone number 20. Source: 401khunter.com/pricing and 401kHunter FAQ (as published, read 2026-10-05). Genuine strengths: transparent published pricing, free search you can evaluate before spending anything, and a metered model that suits an advisor who works a small number of plans deeply rather than exporting thousands. The flip side of metering is that heavy exploration has a marginal cost — worth modeling against your actual usage before you commit. The full sourced breakdown is on our 401kHunter page.

FreeERISA

Free, registration-gated, and genuinely good at the one thing it does: pulling up a plan you already have a name for. Its page states it provides free access to Form 5500s filed with the DOL "over the past two years," covering 2.6 million filings across 1.3 million plans and 1 million sponsors, and lists a Deluxe Search tier at $59.95 adding 5310 and Top Hat filings — filings most competitors do not surface at all. Source: judydiamond.com/products/freeerisa/ (observed 2026-09-13). The billing period for Deluxe is not published, so confirm it. There is no ranking, no alerting, and the free window is recent filings only — which makes it a lookup tool, not a prospecting system. That is the design, not a defect.

BrightScope / ISS MarketPro Retirement

BrightScope is no longer a consumer site. When we checked on 2026-09-13, brightscope.com returned an HTTP 301 to issmarketintelligence.com, and the per-plan rating paths returned HTTP 404 — as did /sitemap.xml and /robots.txt. The surviving product is MarketPro Retirement powered by BrightScope, which publishes coverage of "797K DC plans covering over $7.1T in assets" and "695K+ active CRDs" — plans linked to advisors by registration number rather than by name matching, which is real entity resolution and genuinely hard. Source: issmarketintelligence.com (observed 2026-09-13). It is credible and deep, aimed at asset managers, insurers, recordkeepers, and plan advisors — but it is market-intelligence software, not an advisor calling workflow, and no price is published.

AdvizorPro PlanPro

The interesting angle here is breadth across the whole distribution graph. PlanPro publishes "780,000+ Retirement Plans" and "Trusted by 600+ clients," with plan contact data, service-provider mapping, investment lineups "extracted from audited filings," red-flag detection, and plan filing alerts — and it sits inside a platform that also maps RIAs, wealth teams, and family offices, so you can pivot from a plan to its advisor to that advisor's firm without changing tools. Source: advizorpro.com/data/planpro (observed 2026-09-13). Pricing is not published; advizorpro.com/pricing returned HTTP 404 when we checked, and we are not repeating the dollar estimates floating around on third-party blogs. Filing alerts are a real freshness feature — note the distinction, though: an alert when a new filing lands is not the same as a ranking of which plans are likely to move next.

John Hancock Prospect Finder

The provider-supplied option, and a legitimately different economic proposition. John Hancock Retirement launched it on 2022-07-26 as "an interactive, data-rich system which can make finding and managing leads simpler, with the ability to run plan comparisons at the industry, state, and national levels," accessible "integrated into a financial professional's personalized dashboard." Source: PR Newswire (as published 2022-07-26). Its strength is dashboard integration for advisors who have access. Source: John Hancock financial-professional resources (observed 2026-09-13). No price is stated in the announcement, and the specific access requirements are not published — confirm eligibility with your John Hancock contact rather than assuming.

Lead brokers — a different product entirely

Searches for "BlueStar 401(k) leads" land in a genuinely confusing place, so two disambiguations first. BlueStar Retirement Services is a recordkeeper and third-party administrator acquired by Ameritas — not a lead seller. Source: ameritas.com newsroom (as published 2022-08-23). The lead-generation business people usually mean is spelled differently: BluStar Leads Inc, listed by the Better Business Bureau under Sales Lead Generation and described there as "connecting companies with retirement specialists for plan reviews and fee analysis." Source: BBB profile (observed 2026-09-13). No pricing is published.

The category deserves a fair hearing, because it offers something no database can: a sponsor who has already agreed to a conversation. For an advisor who genuinely will not do outbound, a pre-consented introduction is worth real money. Two questions decide whether it is worth yours. Is the lead exclusive to you, in writing? If the answer is vague, you are buying a place in a race that may already have started. And does the economic value compound to you or to the reseller? A subscription you own builds a territory you keep; a per-lead purchase buys one conversation. Neither answer is disqualifying. Both should be asked out loud before money moves.

What makes FiduciarySignal different?

Full disclosure again — this one is ours. Every tool on this page, ours included, starts from Form 5500 filings, and filings are slow: filed up to seven months after plan-year end, with extensions to October 15, so the data is typically 6 to 18 months old by the time anyone can search it (DOL EFAST2). A static database tells you what a plan looked like sometime last year. It cannot tell you which sponsor is about to take a meeting. So we built two tools on top of the filings: the 401(k) Report Card, which grades any plan from its public filing — administrative cost against genuinely comparable peers, red flags, providers — and the Change Predictor, which ranks each plan in a territory by the odds of a winnable provider change — trustee, custodian, recordkeeper or administrator — before it happens.

The ranking engine is the Pre-Switch Signal Stack: a model trained on 8.9 million Form 5500 filings across ten years, back-tested against the next year's Form 5500 filings. It is strongest at the top of the ranking. On top of the filings the Stack weighs 25 distinct switch signals — eleven of them live feeds, timestamped and refreshed weekly rather than annually. We deliberately do not publish which; a printed cue list is a copycat's roadmap. What an advisor actually gets:

• A ranked territory list, hottest first — every plan in the public Form 5500 corpus scored and ranked nationally
• A plain-English why on every flagged plan — the verdict, not a mystery grade
• A calibrated "N times more likely to switch" multiplier, validated on real outcomes
• Per-plan talking points plus a merge-ready outreach email grounded in that plan's own filing
• Weekly digests when new signals fire in your territory

And the limits, stated plainly, because a ranking tool that oversells itself is just a lead list with better fonts: it is a work-the-top-of-the-list tool. It produces calibrated likelihoods — never certainty about any individual plan — and its strength is concentrated at the top of the ranking rather than spread across the broad middle. FiduciarySignal pricing is published and self-serve at $90/month or $900/year, visible on the pricing page before you speak to anyone. Built on public DOL EFAST2 data; not affiliated with the Department of Labor.

How do I choose the right 401(k) prospecting tool?

• Solo advisor working a defined territory: your scarcest asset is call time, not data. A timing-ranked list beats a bigger raw database you will never finish dialing. If you prefer the established report format, a single-state Judy Diamond edition is a reasonable pairing.
• Advisor who works a handful of plans deeply: metered pricing may fit better than a flat seat. 401kHunter's published credit model and free starter credits let you test the fit before committing.
• Team or growing practice: pair breadth with timing. Judy Diamond's national edition or Larkspur's contact depth gives coverage; a predictive layer tells the team which slice of that coverage to work this week.
• Enterprise, asset manager, or recordkeeper: you want market intelligence, not call lists — ISS MarketPro Retirement for plan-market analytics, AdvizorPro for the plan-plus-advisor graph.
• Advisor already on a provider platform: John Hancock lists Prospect Finder as a dashboard tool; confirm your access and cost. Add an independent layer when you want coverage and a calling order that does not depend on one relationship.
• One-off lookups only: FreeERISA, or the DOL's own free EFAST2 search. Do not buy a subscription to do this.
• Will not do outbound at all: a lead broker sells you a pre-consented conversation. Get exclusivity in writing first.

Bottom line: every tool above draws from the same public filings, so "whose database is biggest" is the wrong question — and the published plan counts on this page range from ~743,000 plans in ISS Retirement Data to 1.3 million plans in FreeERISA (each a vendor-published count, observed 2026-09-13) largely because vendors count different things. The real difference is what each one does with the filings: cleans them, enriches them with contacts, links them to advisors, rates them, or ranks them by what is likely to happen next. Pick for the job in front of you. And whichever you pick, work the top of the list.

Related guides

• Retirement Plan Prospecting Software: The Advisor-Side Category, Explained
• 401kHunter: Pricing, What It Does, and a Fair Comparison
• AdvizorPro PlanPro: What It Is, Who It Is For, and What It Costs