FREEDOM251

Freedom251 › Business Operations

Free and open first

Best Paid Search Advertising Software in 2026

Software in this category supports planning, running, and refining search advertising campaigns.

  1. 1

    Google Keyword Planner

    Free plan APIWeb

    Choose Google Keyword Planner if you need keyword ideas and Search campaign estimates in a free tool. It can also forecast outcomes from planned spend.

    7.1 Free plan Visit site
  2. 2

    Adzooma

    Free plan Web
    6.5 Free plan Visit site
  3. 3

    WordStream Free Keyword Tool

    Free plan Web

    WordStream Free Keyword Tool offers free, repeatable keyword research with search and competitor URL inputs. The first 25 results are immediate; getting the full CSV requires an email address.

    6.5 Free plan Visit site
  4. 4

    MarinOne

    Free trial APIExtensionWeb

    MarinOne combines cross-channel advertising management with reporting, budgeting, and bidding tools.

    6.1 From $500/mo · 30-day trial Visit site
  5. 5

    Microsoft Advertising

    Free plan Web
    5.7 Free plan Visit site
  6. 6

    Opteo

    Free trial Web

    Opteo combines guided Google Ads changes with analysis, reporting, and alerts. Its paid plans differ by account and spend limits, so agencies should check those caps before choosing.

    5.6 From $129/mo · 14-day trial Visit site
  7. 7

    Fluency

    Paid Web

    Choose Fluency if your agency or in-house enterprise team needs to execute and manage paid media across channels with automation, budget controls, and reporting in one system.

    5.5 Pricing on request Visit site
  8. 8

    Adalysis

    Paid Web
    4.7 14-day trial Visit site
  9. 9
  10. 10

    Skai

    Paid Web

    Skai combines cross-network campaign management with automation, creative testing, and detailed reporting.

  11. 11

    Naver Search Ads

    Paid Web
  12. 12

    Yandex Direct

    Paid Web

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

Depending on the product, features may include keyword finding, bid automation, budget pacing, bulk changes, or ad testing; access can be via the web, an API, or an extension.

Compare free plans, paid-from prices, trial periods, supported ad platforms, and the campaign features you need. If you need to read or change code, check the tool's licence before choosing.

Questions

Are free plans available for paid search software?

Yes. The list includes free plans from Adzooma, Google Keyword Planner, Microsoft Advertising, and WordStream Free Keyword Tool.

Which tools list free trials?

Trials shown are 14 days for Adalysis and Opteo, and 30 days for MarinOne.

Can these tools run on the web?

Yes. Web is a listed platform for tools such as Fluency, Google Ads Experiments, MarinOne, Naver Search Ads, Opteo, Skai, and Yandex Direct.

What campaign features should I compare?

When comparing products, examine automated bidding, budget pacing, keyword discovery, bulk editing, ad experiments, free access, and starting paid price.

More in Business Operations