Last Updated on March 31, 2025 by Ewen Finser
Mail Tester and InboxAlly both offer solutions to help your emails land in the inboxes where they need to be.
But what do they really look like next to each other?
Here’s a direct comparison between the two and how to choose which one works for your business.
Platform | ||
Best For | Quick email deliverability tests | Long-term inbox placement improvement |
Price | From $19 for 5k credits/ From $39 per month | From $149 per month |
Key Features | Duplicate email removerSpam trap removalRisk/MTA/Domain/Complainers ValidatorsReal-time bouncingAnti grey-listing techTeam account | Repair/Increase deliverability on any IP/domain on any platformWorks with any email-sending serviceAuto-detect adapts to your sendingMultiple sender profilesIntuitive dashboard |
Use Cases | Pre-send email testingContent optimizationAuthentication verificationBlacklist monitoringSmall business/freelancers | Email warmup & reputation buildingAgencies & enterprisesHigh-volume sendersISP trust developmentRecovering from spam issues |
Free Trial | Yes, 14-day trial | Yes, 10 days free |
What Is Mail Tester?
Mail Tester is an email deliverability and validation tool that helps businesses improve inbox placement by detecting spam triggers, authentication issues, and blacklist status. It cleans up email lists by removing duplicates, spam traps, disposable emails, and high-risk addresses. Plus, it uses real-time validation and anti-greylisting technology.
With flexible pricing, including both pay-as-you-go credits and monthly subscription plans, you still get features like email verification, blacklist monitoring, and inbox reporting. I have to recommend Mail Tester for quick email deliverability tests.
How Much Does Mail Tester Cost?
Mail Tester offers a 14-day free trial with limited credits for those interested in trying their service out.
After that, you have two options: pay as you go, or subscribe to a monthly fee.
The pay-as-you-go model offers a number of credits that count for different emails and tasks, and you pay for bundles of credits.
- $19 for 5k credits
- $29 for 10k credits
- $59 for 30k credits
- $99 for 50k credits
- $199 for 100k credits
- $359 for 300k credits
- $479 for 500k credits
- $799 for 1M credits
- $1,199 for 2.5M credits
- $2,039 for 5M credits
The subscription model offers four pricing tiers, each with access to different features.
- Growth ($39/month)- 500 mail searches, 5,000 email verifications, 10 inbox reports, 5 blacklist monitors, email campaigns coming soon
- Growth ($79/month)- 1,000 email searches, 10,000 email verifications, 25 inbox reports, 10 blacklist monitors, email campaigns coming soon
- Pro ($199/month)- 2,500 mail searches, 50,000 email verifications, 50 inbox reports, 20 blacklist monitors, email campaigns coming soon
- Business ($299/month)- 5,000 mail searches, 100,000 email verifications, 100 inbox reports, 50 blacklist monitors, email campaigns coming soon
Mail Tester Key Features
Mail Tester has many helpful tools to help keep your emails landing in the inbox where they belong. It cleans up your list by removing duplicates, spam traps, and risky/shady-looking emails while also checking domains, complainers, and bounce risks:
- Duplicate email remover
- Sam trap removal
- Risk validator
- MTA validations
- Domain validator
- Complainers verifier
- Syntax verifier
- Real-time bouncing
- Disposable email checker
- Team account
- Anti-grey listing tech
- Selected download
The real-time validation, anti-greylisting tech, and team account access make email marketing easier.
What Is InboxAlly?
InboxAlly is a tool that helps your emails land in inboxes instead of spam folders by improving your sender reputation.
It works by simulating real engagement, like opens, clicks, and replies, to train email providers to trust your messages. This makes it great for businesses, marketers, and cold email senders who need better deliverability over time.
If your emails just keep getting delivered to spam, InboxAlly knows how to fix that.
How Much Does InboxAlly Cost?
InboxAlly has four different plans available:
- Starter ($149/month)- Send to 100 of their seed emails per day, 1 sender profile, email support.
- Plus ($645/month)- Send to 500 of their seed emails per day, 5 sender profiles, email and live chat support.
- Premium ($1,190/month)- Send to 1,000 of their seed emails per day, unlimited sender profiles, email, live chat, and phone support.
- Enterprise- Custom pricing.
InboxAlly Key Features
If you want to go beyond basic email testing, InboxAlly’s robust features will help improve your inbox placement.
- Improve deliverability on any IP/domain
- Compatible with all email-sending services
- Send emails using your own content
- Track progress via a dashboard
- Control when emails are opened
- Auto-detect adapts to your sending
- Supports large email list sizes
- Emails opened from diverse U.S. locations
- Create multiple sender profiles
- No access needed to your email accounts
- Customize your sending schedule
- Set your preferred reporting timezone
- Boost engagement for specific campaigns
- Use or customize engagement profiles
- Enterprise-level customizable plans available
Mail Tester vs InboxAlly: Key Differences (and Similarities)
Let’s see how the two compare in key areas.
Use Cases
Mail Tester is best for marketers, businesses, and freelancers who need quick email deliverability tests before launching a campaign.
InboxAlly, on the other hand, is ideal for high-volume senders, cold emailers, and businesses that want to warm up domains and improve inbox placement over time.
If you need a one-time test, Mail Tester is a great choice, but if you’re focused on long-term deliverability, InboxAlly is the better option.
Winner: InboxAlly
Price
Mail Tester offers flexible pricing, with a pay-as-you-go model and some pretty affordable subscription plans, making it good for small businesses and freelancers.
InboxAlly is a bit pricier since it provides more advanced features like ongoing engagement and inbox optimization.
If budget is an issue, go for Mail Tester, but for those who need serious deliverability improvement, InboxAlly may be worth the investment.
Winner: Mail Tester
Key Features
Mail Tester has tools to check for spam triggers, authentication issues, and blacklisting, which is great for troubleshooting deliverability problems.
InboxAlly takes a more active approach by improving sender reputation using simulated engagement, making emails more likely to land in the inbox.
While Mail Tester is great at identifying problems, InboxAlly actually helps fix them over time.
Winner: InboxAlly
So, Which Is Better?
All things considered, InboxAlly is the better option in terms of advanced features and helpful tools if you’re seriously looking to improve your sender reputation over time. If you’re on a tight budget and just want to test your emails, Mail Tester offers an affordable solution.