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# Upland InterFAX vs eFax Online Fax Service Comparison - What are their main differences?

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Upland InterFAXeFax Online Fax Service[+ Add Product](#)

Reviews

**Upland InterFAX** [

4.6/5(162)

](https://www.g2.com/products/upland-interfax/reviews#reviews)

**eFax Online Fax Service** [

4.5/5(233)

](https://www.g2.com/products/efax-online-fax-service/reviews#reviews)

Pricing

**Upland InterFAX**
Free Trial

**$9.95** Per Month · Fax + 200

**eFax Online Fax Service**
Free Trial

**$4.99** 1 Users Per Month · Personal

**Pricing Insights**
from reviews

Time to Implement

**Upland InterFAX**
1 month

Based on 27 responses

**eFax Online Fax Service**
1 month

Based on 44 responses

Return on Investment

**Upland InterFAX**
5 months5 months sooner

Based on 27 responses

**eFax Online Fax Service**
10 months

Based on 42 responses

Perceived Cost

**Upland InterFAX**
$$$$$

**eFax Online Fax Service**
$$$$$

Average Discount

**Upland InterFAX**
8%1% more

**eFax Online Fax Service**
7%

Pros & Cons

**Upland InterFAX**
[
Ease of Use (26)
](https://www.g2.com/products/upland-interfax/reviews?filters%5Bsentiment_snippet%5D=1137567&qs=pros-and-cons#reviews)[
Faxing Services (24)
](https://www.g2.com/products/upland-interfax/reviews?filters%5Bsentiment_snippet%5D=1137594&qs=pros-and-cons#reviews)[
Fax Issues (9)
](https://www.g2.com/products/upland-interfax/reviews?filters%5Bsentiment_snippet%5D=1138350&qs=pros-and-cons#reviews)[
Limitations (2)
](https://www.g2.com/products/upland-interfax/reviews?filters%5Bsentiment_snippet%5D=1137184&qs=pros-and-cons#reviews)

**eFax Online Fax Service**
[
Ease of Use (53)
](https://www.g2.com/products/efax-online-fax-service/reviews?filters%5Bsentiment_snippet%5D=1929630&qs=pros-and-cons#reviews)[
Faxing Services (43)
](https://www.g2.com/products/efax-online-fax-service/reviews?filters%5Bsentiment_snippet%5D=1929698&qs=pros-and-cons#reviews)[
Fax Issues (37)
](https://www.g2.com/products/efax-online-fax-service/reviews?filters%5Bsentiment_snippet%5D=1929717&qs=pros-and-cons#reviews)[
Slow Performance (5)
](https://www.g2.com/products/efax-online-fax-service/reviews?filters%5Bsentiment_snippet%5D=1928871&qs=pros-and-cons#reviews)

Integrations

**Upland InterFAX**
[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_1d691480aa3fba0192c2518d27b928f0/epic.jpeg "Product Avatar Image")

Epic

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

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_2cf4544d987ff36354b70378964111dd/ghl.jpg "Product Avatar Image")

GHL

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

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_69054bc7d40597b06fc3905720ccc914/microsoft-outlook.png "Product Avatar Image")

Outlook

](https://www.g2.com/products/microsoft-outlook/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_0da799ffb5961100815502aef44c6523/oncoemr.jpg "Product Avatar Image")

OncoEMR

](https://www.g2.com/products/oncoemr/reviews)[
View all
](https://www.g2.com/products/upland-interfax/integrations)

**eFax Online Fax Service**
[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_47fcc2069b1fb943548bd60c79684b6e/healthcloud.jpg "Product Avatar Image")

HealthCloud

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

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_c65522c8f7bacfdc0684fc8d26bba00d/mozilla-firefox.png "Product Avatar Image")

Firefox

](https://www.g2.com/products/mozilla-firefox/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_c7667c650c352acba4bfca38ee89457b/agentforce-sales-formerly-salesforce-sales-cloud.png "Product Avatar Image")

Salesforce Sales Cloud

](https://www.g2.com/products/agentforce-sales-formerly-salesforce-sales-cloud/reviews)[
View all
](https://www.g2.com/products/efax-online-fax-service/integrations)

Screenshots

**Upland InterFAX**
 ![Upland InterFAX screenshot](https://images.g2crowd.com/cdn-cgi/image/width=600,height=600,fit=scale-down,format=auto,onerror=redirect,/https://images.g2crowd.com/uploads/attachment/file/145534/MicrosoftTeams-image-_74_.png)

**eFax Online Fax Service**
 ![eFax Online Fax Service screenshot](https://images.g2crowd.com/cdn-cgi/image/width=600,height=600,fit=scale-down,format=auto,onerror=redirect,/https://images.g2crowd.com/uploads/attachment/file/1281555/Andriod-Screen-1.png)

Ratings

Meets Requirements

**Upland InterFAX**

9.3

9.3144

**eFax Online Fax Service**

9.2

9.2183

Ease of Use

**Upland InterFAX**

9.3

9.3148

**eFax Online Fax Service**

8.8

8.8192

Ease of Setup

**Upland InterFAX**

9.3

9.3122

**eFax Online Fax Service**

9.1

9.1148

Ease of Admin

**Upland InterFAX**

9.1

9.162

**eFax Online Fax Service**

8.7

8.778

Quality of Support

**Upland InterFAX**

9.3

9.3132

**eFax Online Fax Service**

8.4

8.4147

Has the product been a good partner in doing business?

**Upland InterFAX**

9.2

9.258

**eFax Online Fax Service**

8.7

8.777

Product Direction (% positive)

**Upland InterFAX**

8.7

8.7136

**eFax Online Fax Service**

7.9

7.9186

Features

Online Fax[Hide 60 FeaturesShow 60 Features](javascript:void(0);)

8.5

138

7.9

165

Documents

Editing

7.6(won by 0.4)

111

7.2

119

Document Signature 

Feature Not Available

7.1(won by default)

118

Storage

Feature Not Available

8.8(won by default)

131

Fax to Email

Not enough data

Not enough data

Document Storage

Not enough data

Not enough data

Secure Data Storage

Not enough data

Not enough data

Electronic Signature

Not enough data

Not enough data

Agentic AI - Online Fax

Autonomous Task Execution

7.5(won by 1.5)

6

 (There is a greater than 0.5 difference between this product's rating and its competitors)

6.0

5

Cross-system Integration

8.5(won by 1.0)

9

 (There is a greater than 0.5 difference between this product's rating and its competitors)

7.5

8

Active Directory Integration

Not enough data

Not enough data

Third-Party Integrations

Not enough data

Not enough data

File Transfer

Not enough data

Not enough data

Sending

Fax Number

9.3(won by 0.3)

125

9.0

133

Existing Numbers

8.9(won by 0.7)

118

 (There is a greater than 0.5 difference between this product's rating and its competitors)

8.2

123

Cross-Platform Sending

9.0(won by 0.9)

116

 (There is a greater than 0.5 difference between this product's rating and its competitors)

8.1

131

Unlimited Sending

8.8(won by 0.2)

118

8.6

124

Contact Management

8.4(won by 0.3)

111

8.1

122

Alerts

8.8(won by 0.3)

112

8.5

128

Print Management

Not enough data

Not enough data

File Management

Not enough data

Not enough data

Invoice Management

Not enough data

Not enough data

Email Management

Not enough data

Not enough data

Compliance Management

Not enough data

Not enough data

Communication Management

Not enough data

Not enough data

Call Center Management

Not enough data

Not enough data

User Management

Not enough data

Not enough data

Email to Fax

Not enough data

Not enough data

Fax Management

Not enough data

Not enough data

Additional Functionality

Full Text Search

Not enough data

Not enough data

HIPAA Compliant

Not enough data

Not enough data

Audit Trail

Not enough data

Not enough data

Delivery Tracking

Not enough data

Not enough data

Multiple Format Support

Not enough data

Not enough data

Access Controls/Permissions

Not enough data

Not enough data

FoIP

Not enough data

Not enough data

Purchasing & Receiving

Not enough data

Not enough data

SMS Messaging

Not enough data

Not enough data

CRM

Not enough data

Not enough data

Whitelisting/Blacklisting

Not enough data

Not enough data

Status Tracking

Not enough data

Not enough data

Multiple User Accounts

Not enough data

Not enough data

Archiving & Retention

Not enough data

Not enough data

Encryption

Not enough data

Not enough data

Document Templates

Not enough data

Not enough data

Generative AI

Not enough data

Not enough data

Self Service Portal

Not enough data

Not enough data

Electronic Faxes

Not enough data

Not enough data

Collaboration Tools

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

Voice Mail

Not enough data

Not enough data

Automated Routing

Not enough data

Not enough data

Reporting & Statistics

Not enough data

Not enough data

API

Not enough data

Not enough data

Alerts/Notifications

Not enough data

Not enough data

Caller ID

Not enough data

Not enough data

SSL Security

Not enough data

Not enough data

Role-Based Permissions

Not enough data

Not enough data

Activity Tracking

Not enough data

Not enough data

Monitoring

Not enough data

Not enough data

Contact Database

Not enough data

Not enough data

HIPAA Compliant Messaging[Hide 41 FeaturesShow 41 Features](javascript:void(0);)

Not enough data

8.8

35

Platform

User Authorization - HIPAA Compliant Messaging

Not enough data

8.6(won by default)

23

Compliant Emailing - HIPAA Compliant Messaging

Not enough data

8.9(won by default)

22

Clinical Communication - HIPAA Compliance

Not enough data

8.9(won by default)

22

HIPAA Compliance - HIPAA Compliant Messaging

Not enough data

9.0(won by default)

24

Operating Systems - HIPAA Compliant Messaging

Not enough data

8.9(won by default)

26

Workflow Enhancement - HIPAA Compliant Messaging

Not enough data

8.7(won by default)

21

Compliant Texting - HIPAA Compliant Messaging

Not enough data

Feature Not Available

Message Lifespan - HIPAA Compliant Messaging

Not enough data

Feature Not Available

PCI Compliance

Not enough data

Not enough data

Additional Functionality

Customizable Templates

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

Third-Party Integrations

Not enough data

Not enough data

Data Import/Export

Not enough data

Not enough data

Secure Data Storage

Not enough data

Not enough data

Audit Trail

Not enough data

Not enough data

Collaboration Tools

Not enough data

Not enough data

Reporting & Statistics

Not enough data

Not enough data

Drag & Drop

Not enough data

Not enough data

Search/Filter

Not enough data

Not enough data

Archiving & Retention

Not enough data

Not enough data

Vulnerability Scanning

Not enough data

Not enough data

Customizable Reports

Not enough data

Not enough data

Data Security

Not enough data

Not enough data

Self Service Portal

Not enough data

Not enough data

Customizable Forms

Not enough data

Not enough data

For Healthcare

Not enough data

Not enough data

Document Storage

Not enough data

Not enough data

Risk Alerts

Not enough data

Not enough data

API

Not enough data

Not enough data

Generative AI

Not enough data

Not enough data

HIPAA Compliant

Not enough data

Not enough data

Activity Tracking

Not enough data

Not enough data

Access Controls/Permissions

Not enough data

Not enough data

Real-Time Reporting

Not enough data

Not enough data

Document Templates

Not enough data

Not enough data

Reminders

Not enough data

Not enough data

Compliance Tracking

Not enough data

Not enough data

Version Control

Not enough data

Not enough data

Activity Dashboard

Not enough data

Not enough data

Risk Analysis

Not enough data

Not enough data

Monitoring

Not enough data

Not enough data

Show 1 feature category with incomplete data

Collaboration & Productivity[Hide 45 FeaturesShow 45 Features](javascript:void(0);)

Not enough data

Not enough data

Additional Functionality

Third-Party Integrations

Not enough data

Not enough data

To-Do List

Not enough data

Not enough data

@mentions

Not enough data

Not enough data

Single Sign On

Not enough data

Not enough data

File Management

Not enough data

Not enough data

Activity Dashboard

Not enough data

Not enough data

Drag & Drop

Not enough data

Not enough data

Alerts/Notifications

Not enough data

Not enough data

Prioritization

Not enough data

Not enough data

Access Controls/Permissions

Not enough data

Not enough data

Screen Sharing

Not enough data

Not enough data

Content Management

Not enough data

Not enough data

Brainstorming

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

File Transfer

Not enough data

Not enough data

Calendar Management

Not enough data

Not enough data

Status Tracking

Not enough data

Not enough data

Real-Time Notifications

Not enough data

Not enough data

Version Control

Not enough data

Not enough data

Task Management

Not enough data

Not enough data

Activity Tracking

Not enough data

Not enough data

Real Time Editing

Not enough data

Not enough data

Communication Management

Not enough data

Not enough data

Chat/Messaging

Not enough data

Not enough data

Tagging

Not enough data

Not enough data

Generative AI

Not enough data

Not enough data

Assignment Management

Not enough data

Not enough data

Task Scheduling

Not enough data

Not enough data

Project Management

Not enough data

Not enough data

Collaboration Tools

Not enough data

Not enough data

Workflow Management

Not enough data

Not enough data

Secure Data Storage

Not enough data

Not enough data

File Sharing

Not enough data

Not enough data

Document Storage

Not enough data

Not enough data

Task Progress Tracking

Not enough data

Not enough data

Discussions/Forums

Not enough data

Not enough data

Commenting/Notes

Not enough data

Not enough data

Reporting & Statistics

Not enough data

Not enough data

Contact Management

Not enough data

Not enough data

Video Conferencing

Not enough data

Not enough data

Progress Tracking

Not enough data

Not enough data

Mobile Access

Not enough data

Not enough data

API

Not enough data

Not enough data

Document Management

Not enough data

Not enough data

Customizable Branding

Not enough data

Not enough data

User Insights

Reviewers' Company Size

[![Upland InterFAX](https://images.g2crowd.com/uploads/product/hd_favicon/86dd55276e3da321c4e859f6b15f5e49/upland-interfax.svg "Upland InterFAX")](https://www.g2.com/products/upland-interfax/reviews)

Upland InterFAX

Small-Business(50 or fewer emp.)

51.6%

Mid-Market(51-1000 emp.)

35.8%

Enterprise(\> 1000 emp.)

12.6%

[![eFax Online Fax Service](https://images.g2crowd.com/uploads/product/hd_favicon/2ef40491a74bd436698af529b0857f95/efax-online-fax-service.svg "eFax Online Fax Service")](https://www.g2.com/products/efax-online-fax-service/reviews)

eFax Online Fax Service

Small-Business(50 or fewer emp.)

80.1%

Mid-Market(51-1000 emp.)

18.6%

Enterprise(\> 1000 emp.)

1.4%

Small-Business

(50 or fewer emp.)

51.6%

80.1%

Mid-Market

(51-1000 emp.)

35.8%

18.6%

Enterprise

(\> 1000 emp.)

12.6%

1.4%

Reviewers' Industry

[![Upland InterFAX](https://images.g2crowd.com/uploads/product/hd_favicon/86dd55276e3da321c4e859f6b15f5e49/upland-interfax.svg "Upland InterFAX")](https://www.g2.com/products/upland-interfax/reviews)
Upland InterFAX

Hospital & Health Care

23.3%

Medical Practice

10.7%

Health, Wellness and Fitness

7.3%

Accounting

6.0%

Information Technology and Services

5.3%

Other

47.3%

[![eFax Online Fax Service](https://images.g2crowd.com/uploads/product/hd_favicon/2ef40491a74bd436698af529b0857f95/efax-online-fax-service.svg "eFax Online Fax Service")](https://www.g2.com/products/efax-online-fax-service/reviews)
eFax Online Fax Service

Hospital & Health Care

13.8%

Health, Wellness and Fitness

8.7%

Law Practice

7.2%

Accounting

7.2%

Insurance

6.2%

Other

56.9%

Alternatives

**Upland InterFAX Alternatives**

 ![iFax](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_28ad0ea059a00eacf4b949663a5f5360/ifax.png "iFax")

[
iFax
](/products/ifax/reviews)

 ![RingEX](https://images.g2crowd.com/uploads/product/hd_favicon/7fda7f2577052a09d5896be010850215/ringex.svg "RingEX")

[
RingEX
](/products/ringex/reviews)

 ![GoTo Connect](https://images.g2crowd.com/uploads/product/hd_favicon/00b3f9d992d71d88395014c459797575/goto-connect.svg "GoTo Connect")

[
GoTo Connect
](/products/goto-connect/reviews)

 ![Documo](https://images.g2crowd.com/uploads/product/hd_favicon/6fdf283368023f62320038f096816c9c/documo.svg "Documo")

[
Documo
](/products/documo/reviews)

**eFax Online Fax Service Alternatives**

 ![iFax](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_28ad0ea059a00eacf4b949663a5f5360/ifax.png "iFax")

[
iFax
](/products/ifax/reviews)

 ![Documo](https://images.g2crowd.com/uploads/product/hd_favicon/6fdf283368023f62320038f096816c9c/documo.svg "Documo")

[
Documo
](/products/documo/reviews)

 ![RingEX](https://images.g2crowd.com/uploads/product/hd_favicon/7fda7f2577052a09d5896be010850215/ringex.svg "RingEX")

[
RingEX
](/products/ringex/reviews)

 ![GoTo Connect](https://images.g2crowd.com/uploads/product/hd_favicon/00b3f9d992d71d88395014c459797575/goto-connect.svg "GoTo Connect")

[
GoTo Connect
](/products/goto-connect/reviews)