
FBReader
Amazon Kindle
calibre
Google Play Books
The new iPad Pro
AlReader
Universal Book Reader
Fast and small cross-platform eBook reader for desktops and handheld devices

Sentry.io
Raygun
Datadog
BugSnag
AirBrake
Dynatrace
Microsoft System Center
Rollbar collects errors that happen in your application, notifies you, and analyzes them so you can debug and fix them. Ruby, Python, PHP, Node.js, JavaScript, and Flash libraries available.

Which is more popular?
Based on our record, Rollbar seems to be a lot more popular than Cool Reader. While we know about 25 links to Rollbar, we've tracked only 2 mentions of Cool Reader.
Website, pricing, platforms and company facts side by side.
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| Website | sourceforge.net | rollbar.com |
| Pricing | — | |
| Company | — | Startup from the United States |
| Listed in |
What each product offers, as listed by its team.


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


No analysis of Cool Reader yet.
Overall verdict
Why this product is good
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External articles and on-site reviews we used to compare the two products.


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Apart from detecting, diagnosing, and helping to fix errors in real-time, Rollbar also provides high-quality insights/analytics into the application’s error ecosystem. It offers a straightforward interface for...
Recommendations tracked on public social media and blogs since March 2021.


An Android tablet and the CoolReader app. For me, it's simply the best eReader experience available. It's incredibly customisable. The only downside is it doesn't support PDF or AZW3, both of which can be reformatted to your preferred... Source: almost 4 years ago
Cool reader is also another option https://sourceforge.net/projects/crengine/. Source: over 5 years ago
Rollbar takes a different approach, focusing heavily on real-time error detection and intelligent grouping. Their free tier offers 5,000 occurrences per month, which is competitive with other major players, but what sets them apart is... - Source: dev.to / 6 months ago
Error monitoring is configured (Sentry, Rollbar, or similar). - Source: dev.to / 10 months ago
Shameless plug for https://rollbar.com Good luck out there! - Source: Hacker News / over 1 year ago
When comparing Cool Reader and Rollbar, you can also consider the following products.

FBReader is an e-book reader for various platforms. Features:
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From error tracking to performance monitoring, developers can see what actually matters, solve quicker, and learn continuously about their applications - from the frontend to the backend.
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Amazon Kindle software lets you read ebooks on your Kindle, iPhone, iPad, PC, Mac, BlackBerry, and...
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Raygun gives developers meaningful insights into problems affecting their applications. Discover issues - Understand the problem - Fix things faster.
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See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
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