Best Lead Qualification Software in 2026
Updated
In short: Apollo is ranked #1 of 26 as of 3 October 2026, ahead of Factors.ai and Mixdesk. The best-ranked option with a free plan is Mixdesk. The lowest first paid tier on this page is Factors.ai at $0.50/mo.
Lead qualification software helps sales teams assess incoming prospects and decide what should happen next. Compare qualification logic and intent signals with visitor identification, conversation channels, and lead routing to understand how each entry handles prospect evaluation and handoff. Meeting booking, lead limits, free plans, and paid starting prices add further dimensions. Apollo leads the ranking, followed by QualifyBase and Mixdesk; 6sense, LimeCall, Common Room, inSale.ai, and Calendly also appear among the first entries. Use the stated capabilities to assess fit with how your team attracts, qualifies, and follows up with leads, taking the order as shown rather than assuming each product follows the same sales process.
26 lead qualification software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | Platform | Score | Why | From | Free plan | Paid from | Qualification logic | |
|---|---|---|---|---|---|---|---|---|
| 1 | Apollo | 7.3 | RecognisedAPIDocumented | $49/mo | Yes | — | — | View |
| 2 |  Factors.ai | 7.3 | RecognisedAPIDocumented | $0.50/mo | No | 199 /mo | — | View |
| 3 | Mixdesk | 7.3 | RecognisedAPIDocumented | $49/mo | Yes | 49 /mo | — | View |
| 4 | LimeCall | 6.8 | RecognisedAPIDocumented | $7.50/mo | No | 24 /mo | — | View |
| 5 |  6sense | 6.7 | RecognisedAPIDocumented | — | No | — | — | View |
| 6 | Common Room | 6.7 | RecognisedAPIDocumented | $2,500/mo | No | 2,500 /mo | — | View |
| 7 | Conversica | 6.7 | RecognisedAPIDocumented | — | — | — | — | View |
| 8 | QualifyBase | 6.7 | RecognisedAPIDocumented | $40/mo | No | 40 /mo | hybrid | View |
| 9 | Demandbase | 6.5 | RecognisedAPIDocumented | — | — | — | — | View |
| 10 |  Bombora | 6.3 | RecognisedAPIDocumented | — | — | — | — | View |
| 11 | Calendly | 6.0 | RecognisedAPIDocumented | $10/mo | Yes | — | — | View |
| 12 |  Intentsify Intelligence Activation Platform | 5.5 | RecognisedAPIDocumented | — | — | — | — | View |
| 13 | ColdCalls.ai | 5.4 | RecognisedAPIDocumented | $20.79/mo | No | — | ai | View |
| 14 | inSale.ai | 5.4 | RecognisedAPIDocumented | £49/mo | No | — | ai | View |
| 15 | RevenueHero | 5.4 | RecognisedAPIDocumented | $1.67/mo | No | — | — | View |
| 16 | Warmly | 5.4 | RecognisedAPIDocumented | — | — | — | — | View |
| 17 | Factors.ai | 5.3 | RecognisedAPIDocumented | $199/mo | No | 199 /mo | — | View |
| 18 |  Chili Piper | 5.2 | RecognisedAPIDocumented | — | No | — | — | View |
| 19 | Dealfront | 5.2 | RecognisedAPIDocumented | €199/mo | — | — | — | View |
| 20 | Patagon AI | 5.1 | RecognisedAPIDocumented | — | — | — | hybrid | View |
| 21 | Talkover AI | 5.1 | RecognisedAPIDocumented | — | — | — | hybrid | View |
| 22 | LeanData BookIt | 5.0 | RecognisedAPIDocumented | — | — | — | — | View |
| 23 |  TechTarget Priority Engine | 4.9 | RecognisedAPIDocumented | — | — | — | — | View |
| 24 | Qualified Signals | 4.8 | RecognisedAPIDocumented | — | — | — | — | View |
| 25 | Verse | 4.8 | RecognisedAPIDocumented | — | No | — | — | View |
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which lead qualification software is ranked first on Inferse?
Apollo is ranked #1 of 26 with a score of 7.3. Factors.ai is second and Mixdesk third.
How many of these have a free plan?
3 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 on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.