Rapidly: Speed Reading vs Kraken
Side-by-side comparison for Android — updated April 2026
FeatureRapidly: Speed ReadingKraken
Downloads50+500+
PriceFreeFree
About Rapidly: Speed Reading
Read 3x faster with Rapidly. Using RSVP technology, words appear one at a time at a fixed point - eliminating eye movement so your brain processes text at incredible speeds. Import articles, PDFs, EPUBs, and more from anywhere. HOW IT WORKS Rapidly uses RSVP (Rapid Serial Visual Presentation), ...
About Kraken
It keeps in a safe and simplified way useful information about your orders, boxes and inventory of your business. Register and Categorize your products and / or services.
Verdict
Kraken is more popular with 500+ downloads. Both apps are available for free download on Google Play Store. Try both to see which works best for you.