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AdBlock Plus is a browser extension for Firefox, Chrome, Opera, and several other popular browsers that prevents intrusive ads like pop-ups and malicious code from appearing on websites you visit.

NiftyImages
Sendtric
OpenAlternative
MailChimp
CountdownMail
Postmark
Mailtimer.io
Real-time, open-time content for email: countdown timers, dynamic images, live product picks, geo-targeted maps, one-click surveys, and scratch-card rewards. No code, no ESP integration, rendered fresh every time someone opens.

Which is more popular?
Based on our record, Adblock Plus seems to be more popular. It has been mentioned 65 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | adblockplus.org | alterable.com |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from Germany | Startup from the United States · 1 - 9 employees |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Adblock Plus yet.
Alterable adds real-time, open-time content to email campaigns, no coding, no ESP integration, no resends. Every asset is a single image URL that renders fresh the moment a subscriber opens the message, not the moment you hit send. Countdown timers count down live in the inbox. Choose a fixed...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Adblock Plus is recommended for casual internet users looking for a straightforward and easy-to-install ad-blocking solution. It is also suitable for users concerned with online privacy and who prefer not to be tracked by advertisers.
No analysis of Alterable yet.
Walkthroughs and reviews on video.
Adblock Plus: Now Serving You More Ads! - The Know Tech News
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Adblock Plus and Alterable.
Alterable's answer:
Most tools in this space (NiftyImages, Sendtric, MotionMail, CountdownMail) do one thing well, usually just countdown timers. Alterable is a single platform for six distinct open-time content types, timers, dynamic images, live product data, geo-targeted maps, surveys, and scratch-card rewards, all rendered the same way: one image tag, no ESP integration, no JavaScript.
That "just an image" approach is also what makes it universal: it works in every major email client without exception, since there's nothing for Outlook or Gmail to selectively support or block.
The rules engine is shared across all six content types too. The same conditions (location, weather, device, time of day, stock level) that pick a dynamic image can pick a product, a map location, or a timer variant, so teams build a targeting logic once and reuse it everywhere instead of learning a separate tool per feature.
Alterable's answer:
Against single-purpose timer tools (Sendtric, CountdownMail, MotionMail, CountingDownTo): those platforms do one thing, a countdown widget. Alterable includes countdown timers plus dynamic images, live product data, geo-targeted maps, surveys, and scratch cards, on one account, with one shared rules engine. If a team outgrows "just a timer," there's no second tool to adopt.
Against broader personalization platforms (NiftyImages, Movable Ink): Alterable is free to start with no credit card, and every asset is a plain image tag rather than requiring a native ESP integration or account connection. That keeps setup to minutes and means it works identically across Klaviyo, Mailchimp, HubSpot, GetResponse, or any of 50+ platforms, with no per-ESP configuration to maintain.
Because it's "just an image": there's no JavaScript, no AMP, no interactive-email fallback logic to write or test. It renders the same way in Outlook as it does in Gmail, which is where more elaborate interactive approaches usually break first.
Share your experience with using Adblock Plus and Alterable. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Adblock Plus: AdBlock is a user-friendly free tool that received solid ad-blocking scores during our testing. It also offers a Premium subscription that can block additional nuisances like site notifications, survey...
Not to be confused with AdBlock Plus, AdBlock is a very simple and straightforward extension that offers ad blocking features, and it works admirably. The user interface is as simple as they come, with the option to...
Adblock Plus (again, not to be confused with any variations on its name) is a standalone ad blocker that’s been around for quite some time. It is not the premium version of another ad blocker or a special edition....
We have no reviews of Alterable yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Tip: I use Adblock Plus on desktop, and AdGuard on iPhone and iPad. - Source: dev.to / over 2 years ago
Adblock plus => I only use this one with Edge because Opera has a default adblocker of its own, but this is also a very welcome extension and something that can (and will) keep you safe! Source: about 3 years ago
Why doesn't easylist.to link to its own version of the Fanboy's Annoyance List? Why are the lists (and especially the "EasyList Germany") on the mirror (?) of adblockplus.org more up-to-date than on easylist.to? Source: over 3 years ago
Tracking Alterable since Feb 2022.
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