# Top Free Attribution Software

## How Many Attribution Software Products Does G2 Track?

**Total Products under this Category:** 149

### Category Stats (Jul 2026)

- **Average Rating:** 4.55/5 The average rating of products in this category, based on all submitted ratings
- **Top Trending Product:** AdRoll (+0.05%) - Among all products in this category, AdRoll recorded the largest rating increase compared to last month

_Last updated: July 21, 2026_

## How Does G2 Rank Attribution Software Products?

**Why You Can Trust G2's Software Rankings:**

- 30 Analysts and Data Experts
- 48,300+ Authentic Reviews
- 149+ Products
- Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

[
HubSpot Marketing Hub
](https://www.g2.com/products/hubspot-marketing-hub/reviews)

By [HubSpot](https://www.g2.com/sellers/hubspot)

[

4.4/5(14,869)

](https://www.g2.com/products/hubspot-marketing-hub/reviews)

What do users say?

Users consistently praise the ease of use and powerful automation features of HubSpot Marketing Hub, which streamline marketing tasks and enhance campaign management. The platform's ability to integra

Pros and Cons

[
Ease of Use (1981)
](https://www.g2.com/products/hubspot-marketing-hub/reviews?qs=pros-and-cons)[
Learning Curve (808)
](https://www.g2.com/products/hubspot-marketing-hub/reviews?qs=pros-and-cons)

[
CallRail
](https://www.g2.com/products/callrail/reviews)

By [CallRail](https://www.g2.com/sellers/callrail)

[

4.5/5(1,824)

](https://www.g2.com/products/callrail/reviews)

What do users say?

Users consistently praise the ease of use and powerful call tracking capabilities of CallRail, highlighting its effectiveness in providing clear insights into marketing performance. The intuitive inte

Pros and Cons

[
Ease of Use (122)
](https://www.g2.com/products/callrail/reviews?qs=pros-and-cons)[
Missing Features (33)
](https://www.g2.com/products/callrail/reviews?qs=pros-and-cons)

[![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source)

Sponsored

G2 Advertising

Get 2x conversion than Google Ads with G2 Advertising!

G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments.

[
Learn More
](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source)

[
WhatConverts
](https://www.g2.com/products/whatconverts/reviews)

By [WhatConverts](https://www.g2.com/sellers/whatconverts)

[

4.9/5(313)

](https://www.g2.com/products/whatconverts/reviews)

What do users say?

Users consistently praise the exceptional customer support provided by WhatConverts, highlighting the team's quick response times and personalized assistance. Many appreciate the ease of use and intui

Pros and Cons

[
Customer Support (82)
](https://www.g2.com/products/whatconverts/reviews?qs=pros-and-cons)[
Expensive (15)
](https://www.g2.com/products/whatconverts/reviews?qs=pros-and-cons)

[
Dreamdata
](https://www.g2.com/products/dreamdata/reviews)

By [dreamdata.io](https://www.g2.com/sellers/dreamdata-io)

[

4.7/5(266)

](https://www.g2.com/products/dreamdata/reviews)

What do users say?

Users consistently praise Dreamdata for its ability to provide clear insights into customer journeys and multi-touch attribution, enabling better decision-making in marketing strategies. The platform'

Pros and Cons

[
Insights (47)
](https://www.g2.com/products/dreamdata/reviews?qs=pros-and-cons)[
Learning Curve (20)
](https://www.g2.com/products/dreamdata/reviews?qs=pros-and-cons)

[
Fibbler
](https://www.g2.com/products/fibbler/reviews)

By [Fibbler](https://www.g2.com/sellers/fibbler)

[

4.9/5(32)

](https://www.g2.com/products/fibbler/reviews)

What do users say?

Users consistently praise Fibbler for its ease of use and seamless integration with HubSpot, which simplifies tracking LinkedIn ad performance and its impact on sales pipelines. The straightforward se

Pros and Cons

[
Ease of Use (19)
](https://www.g2.com/products/fibbler/reviews?qs=pros-and-cons)[
Restrictions (2)
](https://www.g2.com/products/fibbler/reviews?qs=pros-and-cons)

[
Invoca
](https://www.g2.com/products/invoca/reviews)

By [Invoca](https://www.g2.com/sellers/invoca)

[

4.5/5(967)

](https://www.g2.com/products/invoca/reviews)

What do users say?

Users consistently praise the ease of use and exceptional customer support provided by Invoca, which helps teams effectively track and analyze call data. The platform's ability to deliver actionable i

Pros and Cons

[
Helpful (28)
](https://www.g2.com/products/invoca/reviews?qs=pros-and-cons)[
Learning Curve (9)
](https://www.g2.com/products/invoca/reviews?qs=pros-and-cons)

[
RedTrack.io
](https://www.g2.com/products/redtrack-io/reviews)

By [RedTrack](https://www.g2.com/sellers/redtrack)

[

4.5/5(39)

](https://www.g2.com/products/redtrack-io/reviews)

What do users say?

Users consistently praise the platform for its user-friendly interface and reliable customer support, which make campaign tracking and setup straightforward. Many appreciate the robust tracking capabi

Pros and Cons

[
Customer Support (3)
](https://www.g2.com/products/redtrack-io/reviews?qs=pros-and-cons)[
Ads Integration (1)
](https://www.g2.com/products/redtrack-io/reviews?qs=pros-and-cons)

[
CTM (formerly...
](https://www.g2.com/products/ctm-ctm/reviews)

By [CTM](https://www.g2.com/sellers/ctm)

[

4.5/5(761)

](https://www.g2.com/products/ctm-ctm/reviews)

What do users say?

Users consistently praise the product for its ease of use and exceptional customer support, which help streamline call tracking and marketing attribution. The platform's ability to provide clear insig

Pros and Cons

[
Customer Support (49)
](https://www.g2.com/products/ctm-ctm/reviews?qs=pros-and-cons)[
Learning Curve (23)
](https://www.g2.com/products/ctm-ctm/reviews?qs=pros-and-cons)

[
ActiveCampaign
](https://www.g2.com/products/activecampaign/reviews)

By [ActiveCampaign](https://www.g2.com/sellers/activecampaign)

[

4.4/5(14,726)

](https://www.g2.com/products/activecampaign/reviews)

What do users say?

Users consistently praise the ease of use and powerful automation features of ActiveCampaign, highlighting how intuitive the platform is for managing email campaigns and customer relationships. Many a

Pros and Cons

[
Ease of Use (848)
](https://www.g2.com/products/activecampaign/reviews?qs=pros-and-cons)[
Learning Curve (419)
](https://www.g2.com/products/activecampaign/reviews?qs=pros-and-cons)

[
Factors.AI
](https://www.g2.com/products/factors-ai/reviews)

By [Factors.AI](https://www.g2.com/sellers/factors-ai)

[

4.5/5(208)

](https://www.g2.com/products/factors-ai/reviews)

What do users say?

Users consistently praise the product for its real-time insights and ability to de-anonymize website visitors, which significantly enhances their marketing and sales strategies. The platform's seamles

Pros and Cons

[
Ease of Use (27)
](https://www.g2.com/products/factors-ai/reviews?qs=pros-and-cons)[
Lack of Information (10)
](https://www.g2.com/products/factors-ai/reviews?qs=pros-and-cons)

[
Constant Contact Advanced...
](https://www.g2.com/products/constant-contact-advanced-automation/reviews)

By [Constant Contact](https://www.g2.com/sellers/constant-contact-5aaee82b-8325-4eeb-b7b7-15fada778076)

[

4.4/5(960)

](https://www.g2.com/products/constant-contact-advanced-automation/reviews)

What do users say?

Users consistently praise the ease of use and intuitive workflows of Constant Contact Advanced Automation, highlighting how it simplifies email marketing and automates tasks effectively. Many apprecia

Pros and Cons

[
Ease of Use (49)
](https://www.g2.com/products/constant-contact-advanced-automation/reviews?qs=pros-and-cons)[
Limited Customization (21)
](https://www.g2.com/products/constant-contact-advanced-automation/reviews?qs=pros-and-cons)

[
Saleswings
](https://www.g2.com/products/saleswings/reviews)

By [Saleswings](https://www.g2.com/sellers/saleswings)

[

4.8/5(34)

](https://www.g2.com/products/saleswings/reviews)

What do users say?

Users consistently praise the user-friendly interface and exceptional support provided by Saleswings, which simplifies lead scoring and enhances marketing strategies. The seamless integration with Sal

Pros and Cons

[
Ease of Use (8)
](https://www.g2.com/products/saleswings/reviews?qs=pros-and-cons)[
Clunky Design (1)
](https://www.g2.com/products/saleswings/reviews?qs=pros-and-cons)

[
Flowcode
](https://www.g2.com/products/flowcode/reviews)

By [Flowcode](https://www.g2.com/sellers/flowcode)

[

4.6/5(86)

](https://www.g2.com/products/flowcode/reviews)

What do users say?

Users consistently praise the ease of use and customization options offered by Flowcode, making it a valuable tool for creating visually appealing QR codes. Many appreciate the responsive customer sup

Pros and Cons

[
QR Code (6)
](https://www.g2.com/products/flowcode/reviews?qs=pros-and-cons)[
Limited Customization (4)
](https://www.g2.com/products/flowcode/reviews?qs=pros-and-cons)

[
ThoughtMetric
](https://www.g2.com/products/thoughtmetric/reviews)

By [ThoughtMetric Inc.](https://www.g2.com/sellers/thoughtmetric-inc)

[

4.7/5(39)

](https://www.g2.com/products/thoughtmetric/reviews)

What do users say?

Users consistently praise the ease of use and responsive support provided by ThoughtMetric, highlighting its intuitive interface that simplifies tracking customer journeys and marketing performance. M

Pros and Cons

[
Attribution Accuracy (7)
](https://www.g2.com/products/thoughtmetric/reviews?qs=pros-and-cons)[
Inadequate Reporting (3)
](https://www.g2.com/products/thoughtmetric/reviews?qs=pros-and-cons)

[
Madgicx
](https://www.g2.com/products/madgicx/reviews)

By [Madgicx](https://www.g2.com/sellers/madgicx)

[

4.6/5(216)

](https://www.g2.com/products/madgicx/reviews)

What do users say?

Users consistently praise Madgicx for its clear insights and AI-driven automation, which help streamline ad management and optimize campaign performance. The platform's ability to consolidate data and

Pros and Cons

[
Ease of Use (40)
](https://www.g2.com/products/madgicx/reviews?qs=pros-and-cons)[
Learning Curve (27)
](https://www.g2.com/products/madgicx/reviews?qs=pros-and-cons)

[![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source)

Sponsored

G2 Advertising

Get 2x conversion than Google Ads with G2 Advertising!

G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments.

[
Learn More
](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source)

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