Best Sales Intelligence Software in 2026

In short: Apollo is ranked #1 of 38 as of 5 October 2026, ahead of Lead411 and Leadfeeder. The best-ranked option with a free plan is Lead411. The lowest first paid tier on this page is Factors.ai at $0.50/mo.

Sales intelligence software supports prospect research, helping you find contacts, understand companies and spot buying signals. Compared on browser extension, contact search, company research and org charts, the entries show different ways to gather prospect information. Buying signals and CRM sync may help you connect research with sales activity; export limits, free-plan availability and paid-from pricing are useful practical checks. Consider which combination suits your prospecting workflow and how much information you need to move into other tools. Apollo, Lead411 and Regie.ai are among the options shown, alongside Salesmotion and LeadIQ.

38 sales intelligence software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.

38ranked
6free plans on this page
$0.50/molowest paid tier
5 Oct 2026last checked

6 of the 25 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.

#AppSignalFree tierOpen codeDevicesFromScore
1ApolloWeb · API · Extension Two bars—1 of 6$49/mo6.4
2Lead411API · Extension Two bars—0 of 6$40.83/mo6.4
3LeadfeederWeb · API · Extension Two bars—1 of 6€79/mo6.4
4Regie.aiWeb Two bars—1 of 6$41/mo6.4
5SalesmotionWeb · API Two bars—1 of 6$85/mo6.4
6LeadIQAPI Two bars—0 of 6$200/mo6.3
7Factors.aiWeb · API One bar——1 of 6$0.50/mo5.4
8IntrohiveWeb · API One bar——1 of 6—5.4
9DealfrontWeb One bar——1 of 6€199/mo5.3
10SalesDirector.aiWeb · API One bar——1 of 6—5.3
11DemandScienceWeb No signal——1 of 6—5.2
12LinkedIn Sales NavigatorWeb · Android · iPhone Two bars——3 of 6—5.2
13MagiQ AIWeb No signal——1 of 6—5.2
14VainuWeb · Windows · Mac · Linux · API Two bars——4 of 6€291.67/mo5.2
15DealfrontWeb No signal——1 of 6—5.1
16DealmaykerWeb No signal——1 of 6—5.1
17DemandbaseAPI No signal——0 of 6—5.1
18ZoomInfoAPI No signal——0 of 6—5.1
19BuzzBoardWeb · API · Extension One bar——1 of 6—5.0
20Common RoomWeb · API · Extension One bar——1 of 6$2,500/mo5.0
21Ebsta ForecastingWeb · Extension One bar——1 of 6—5.0
22HG InsightsWeb · API One bar——1 of 6—5.0
23LeadspaceWeb No signal——1 of 6—5.0
24MomentumWeb One bar——1 of 6$30/mo5.0
25Onfire AIWeb · Extension One bar——1 of 6—5.0
Compare all 25 in a table
#AppScoreFree planFromFree planPaid fromBuying signalsCompany research
1Apollo6.4Free plan$49/moYes49 /user/mo——
2Lead4116.4Free plan$40.83/moNo———
3Leadfeeder6.4Free plan€79/moYes———
4Regie.ai6.4Free plan$41/moYes———
5Salesmotion6.4Free plan$85/moYes85 /user/mo——
6LeadIQ6.3Free plan$200/moYes15 /user/mo——
7Factors.ai5.4No$0.50/moNo———
8Introhive5.4No———YesYes
9Dealfront5.3No€199/mo————
10SalesDirector.ai5.3No—————
11DemandScience5.2No———YesYes
12LinkedIn Sales Navigator5.2No—No119.99 /user/mo——
13MagiQ AI5.2No—Yes—YesYes
14Vainu5.2No€291.67/moNo—YesYes
15Dealfront5.1No—Yes———
16Dealmayker5.1No—Yes———
17Demandbase5.1No—————
18ZoomInfo5.1No—————
19BuzzBoard5.0No—No———
20Common Room5.0No$2,500/moNo———
21Ebsta Forecasting5.0No—No———
22HG Insights5.0No—No———
23Leadspace5.0No—————
24Momentum5.0No$30/moNo69 /user/mo——
25Onfire AI5.0No—No—YesYes

Is your app on this list?

Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.

Questions about this list

Which sales intelligence software is ranked first on Freedom251?

Apollo is ranked #1 of 38 with a score of 6.4. Lead411 is second and Leadfeeder third.

How many of these have a free plan?

6 of the 25 on this page publish a free plan on their own pricing pages.

Which is the cheapest paid option?

On this page, Factors.ai has the lowest first paid tier we found: $0.50/mo.

How is this list ranked?

Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.

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