MassMailer vs Mailflagger vs OpenedOrNot Comparison
MassMailer
Starting at $12.49 /Month
- Free Trial
- Large Enterprises
- Medium Business
With MassMailer, Salesforce CRM customers have a powerful solution to send mass emails and track responses easily. Get rid of the limited email options within Salesforce and exceed any batch or daily limits with this eas…
Mailflagger
Starting at Contact for pricing
- Large Enterprises
- Small Business
Introducing Mailflagger, the ultimate solution for effortlessly accessing and managing Mailgun messages and email events. Tired of sifting through extensive Mailgun email logs, only to find crucial messages have been del…
OpenedOrNot
Starting at Contact for pricing
- Medium Business
- Small Business
Introducing OpenedOrNot, a cutting-edge Email Tracking Tool tailor-made for Gmail users. With its tagline "Email Tracking Tool for Gmail," OpenedOrNot is designed to provide users with detailed insights and real-time upd…
MassMailer leads on user satisfaction with a 4.3-star rating across 32 reviews.
MassMailer vs Mailflagger vs OpenedOrNot — at a glance
| Feature | MassMailer | Mailflagger | OpenedOrNot |
|---|---|---|---|
| Rating | 4.3 / 5 | — | — |
| Reviews | 32 | — | — |
| Starting price | $12.49 /Month | Contact for pricing | Contact for pricing |
| Free trial | Yes | No | No |
| Free version | No | No | No |
| Best for | Large Enterprises, Medium Business, Small Business | Large Enterprises, Small Business, Medium Business | Medium Business, Small Business, Individuals |
| Category | Email Tracking Software | Email Tracking Software | Email Tracking Software |
| Platforms | SaaS/Web/Cloud | Browser Based (Cloud) | Browser Based (Cloud) |
| API | — | — | — |
| Support modes | 24/7 (Live rep), Business Hours, Online | Online | Online |
| Certifications | GDPR | — | GDPR |
| Data residency | Global | US | US |
Key differences between MassMailer and Mailflagger
- Pricing: MassMailer starts at $12.49 /Month. Mailflagger pricing is not publicly listed.
- Free trial: MassMailer offers a free trial; Mailflagger does not.
- Deployment: MassMailer supports SaaS/Web/Cloud; Mailflagger supports Browser Based (Cloud).
Compare MassMailer vs Mailflagger vs OpenedOrNot — and walk away knowing which one fits.
Which tool fits your team best
Which is actually cheaper for your team size
Where each product wins, per real buyers
Most Email Tracking Software tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.
Biggest differences
Features
Pricing
Buying details
Security
Buyer feedback
Integrations
Product tour
Other options
Talk to an expert Talk to an expert | Talk to an expert Talk to an expert | Talk to an expert Talk to an expert |
Free PDF comparison
Download this MassMailer vs Mailflagger vs OpenedOrNot comparison
Get the full side-by-side as a PDF — these picks plus the top Email Tracking Software tools, with verified ratings, pricing and features.
- Side-by-side on pricing, features & ratings
- Plus the category top 10, scored & ranked
- Emailed to you — no on-screen download
No file downloads on screen — we email it to you. One-click unsubscribe anytime.
Biggest differences
Start here before you go deeper into features.
Best for Salesforce users needing to send and track large email batches easily.
- You use Salesforce CRM and want to bypass its email sending limits.
- You need seamless integration with Salesforce Process Builder for email workflows.
- You require reliable email deliverability and basic engagement tracking within Salesforce.
- Your organization does not use Salesforce CRM as a core platform.
- You need advanced email automation features beyond batch sending capabilities.
Best for Mailgun users needing simple email event tracking and message recovery.
- You rely exclusively on Mailgun as your email service provider.
- You need to recover deleted email messages from Mailgun logs easily.
- Your team requires straightforward, low-complexity email event monitoring.
- Your organization uses multiple or non-Mailgun email service providers.
- You need advanced email analytics beyond basic event tracking.
Best for Gmail users needing real-time email open tracking and simple reporting.
- You are a sales or customer support team using Gmail exclusively.
- You want instant notifications when emails are opened to improve follow-ups.
- You prefer a low-complexity setup with seamless Gmail integration.
- Your organization uses multiple email platforms beyond Gmail.
- You require advanced analytics or deep CRM and sales automation integrations.
MassMailer: Best for Salesforce users needing to send and track large email batches easily. Mailflagger: Best for Mailgun users needing simple email event tracking and message recovery.
Description | With MassMailer, Salesforce CRM customers have a powerful solution to send mass emails and track responses easily. Get rid of the limited email options within Salesforce and exceed any ... Read More about MassMailer | Introducing Mailflagger, the ultimate solution for effortlessly accessing and managing Mailgun messages and email events. Tired of sifting through extensive Mailgun email logs, only to find ... Read More about Mailflagger | Introducing OpenedOrNot, a cutting-edge Email Tracking Tool tailor-made for Gmail users. With its tagline "Email Tracking Tool for Gmail," OpenedOrNot is designed to provide users with ... Read More about OpenedOrNot |
|---|---|---|---|
Entry Level Pricing |
|
|
|
Free Trial Availability |
|
| |
User RatingsBased on verified Spotsaas reviews | |||
Best Company Size | Small BusinessMedium Business | Small BusinessMedium Business | 1-50 employees51-200 employees |
Get pricing help | Get pricing help | Get pricing help |
Software Demo
Demo |  OpenedOrNot has not given any software demo yet If you're the owner of this profile, add your demo.Contact us |
|---|
Need a second opinion?
Get shortlist help from a software advisor
Share your priorities, budget, and team needs, and we’ll help you narrow the options and understand the tradeoffs before you talk to vendors.
- Independent advice — matched to your business
- Understand the tradeoffs before you talk to vendors
- Free 15-min call with a software advisor.
Step 1 of 4
How big is your team?
We tailor recommendations to companies your size.
How do MassMailer, Mailflagger and OpenedOrNot Compare on Features?
Total Features | 15 Features | 0 Features | 0 Features |
|---|---|---|---|
Unique Features | No unique features | No features | No features |
Get Quote | Get Quote | Get Quote |
Compare MassMailer, Mailflagger and OpenedOrNot on pricing
Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.
Pricing Option | |||
|---|---|---|---|
Starting From |
|
|
|
Pricing Plans |
|
|
|
Pricing Page |  |  | Pricing information not available |
Other Details
Organization Types supported |
|
|
|
|---|---|---|---|
Platforms Supported |
|
|
|
Modes of support |
|
|
|
API Support |
|
|
|
Get help choosing | Get help choosing | Get help choosing |
Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
HIPAA | ✗ No | ✗ No | ✗ No |
|---|---|---|---|
GDPR | ✓ Yes | — | ✓ Yes |
Data Encryption | ✓ Yes | — | ✓ Yes |
Data Residency | 🌐 Global | 🇺🇸 US | 🇺🇸 US |
MassMailer vs Mailflagger User Reviews & Rating Comparison
User Ratings | No reviews available for the product | No reviews available for the product | |
|---|---|---|---|
Rating Distribution | No reviews available for this product | No reviews available for this product | |
Spotsaas Editor’s POV generated by AI | Buyer sentiment Users generally appreciate MassMailer's ability to extend Salesforce email capabilities with reliable deliverability and tracking, though detailed feature feedback is limited. What buyers like
Common complaints
| Buyer sentiment No user reviews or ratings available to summarize buyer sentiment. | Buyer sentiment Insufficient user reviews to determine overall sentiment. What buyers like
Common complaints
|
Pros and Cons |
|
|
|
Positive Reviews | No reviews available for the product | No reviews available for the product | No reviews available for the product |
List of Customers
Customers |  Hunt  3b Networks  Mosaic | No Customers information available. | No Customers information available. |
|---|
Media and Screenshots
Screenshots |  2 Screenshots | No screenshots available. | No screenshots available. |
|---|---|---|---|
Videos |  3 Videos |  1 Videos | No videos available. |
Alternatives
Add another option to compare side by side
Search by product name to compare pricing, fit, and buyer feedback in one view.Compare similar software options
Related Blogs and Articles for Email Tracking Software
Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].
Frequently asked questions
- Which is better, MassMailer or Mailflagger?
- MassMailer edges out the other on user ratings (4.3 vs -1.0). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do MassMailer and Mailflagger offer a free trial?
- MassMailer offers a free trial. Mailflagger does not.
- What is the starting price of MassMailer vs Mailflagger?
- MassMailer starts at $12.49 /Month. Mailflagger starts at Contact for pricing.
- What are the top alternatives to MassMailer?
- Top alternatives to MassMailer include MailerSend, Campaign Monitor, Elastic Email, Salesforce Email Studio, StreamSend.
- What are the top alternatives to Mailflagger?
- Top alternatives to Mailflagger include Rangeflow, Email Tracking for Zendesk, ReachInbox, Inboxigniter, ReadNotify.