Reader Rocket Review Our evaluation of Vox vs Aura HD


How do the screens stack up?

Kobo Vox
Aura HD
Resolution, pixel density and Screen size


How good is the supporting ecosystem?

Kobo Vox
Aura HD
e-bookstore size, average NYT best sellers price, NYT's top selling titles and 4 more


How responsive and how long does the e-reader last?

Kobo Vox
Aura HD
Battery life


How do our trusted review sites rank these products?

Kobo Vox
Aura HD
Reviews from multiple trusted sites

Reader Rocket Score

Display, Bookstore, Performance and Reviews

Kobo Vox
Aura HD

Kobo Aura HD 

Reader Rocket recommends the Kobo Aura HD  based on its display and performance.

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Differences What are the advantages of each

Front view of Kobo Vox

Reasons to consider the
Kobo Vox

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Has an app store Google Play vs None Most E-Readers have an app store
Customer loyalty program Yes (Kindle Store) vs No (Kobo Books) About half of E-Readers support customer loyalty program
Has reader-to-reader lending Yes (Kindle Store) vs No (Kobo Books) Somewhat common; e-books can be loaned to a friend for a 14 day period; each e-book can only be loaned once
Can display full color Yes (LCD) vs No (E-Ink) Somewhat common; view images, read comics, and web-browse in full color
Can run Android apps Yes vs No About half of E-Readers support
No black flash when turning pages No (LCD) vs Yes (E-Ink) Somewhat common; provides less obtrusive page turns
Bigger bookstore 4 M book (Kindle Store) vs 3.2 M book (Kobo Books) Around 25% larger e-bookstore size; totalling paid & free books, this reader's bookstore offers a larger selection of reading material
Front view of Kobo Aura HD

Reasons to consider the
Kobo Aura HD

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Much longer battery life 28 hour vs 7 hour 4x longer battery life; read more between charges
Is readable in direct sunlight Yes (E-Ink) vs No (LCD) Somewhat common; text doesn't look washed out in direct daylight
Lighter weight 240 g vs 403 g More than 40% lighter weight
Thinner 11.7 mm vs 13 mm More than 10% thinner ; easily slides into bags
Higher resolution screen 1440 x 1080 vs 1024 x 600 More than 2.5x higher resolution screen
Faster processor 1,000 MHz vs 800 MHz 25% faster processor; a faster processor improves responsiveness

Specifications Full list of technical specs


Kobo Vox  vs
Aura HD 
Screen resolution 1024 x 600 1440 x 1080
Screen size 7" 6.8"
Pixel density 169 ppi 264 ppi
Built-in light LED backlight ComfortLight
Screen type LCD E-Ink
Touchscreen Capacitive Infrared
Flashes screen black during page turns No Yes


Sync across multiple devices Yes Yes
Note taking Yes Yes
Web browser Yes Yes


Expansion slot microSD (up to 32GB) microSD (up to 32GB)
Memory 8 GB 4 GB

form factor

Size 128 x 192 x 13 mm 128 x 175 x 11.7 mm
Weight 403 g 240 g
Interface touchscreen touchscreen
Headphone jack Yes No


Kobo Vox  vs
Aura HD 
Input/Output port micro-USB micro-USB
Cellular data None None
Wi-Fi 802.11b/g/n 802.11b/g/n

technical specs

RAM 512 MB 1,024 MB
Processor 800 MHz 1,000 MHz


Uses an open platform Yes Yes
Bookstore Kindle Store Kobo Books
EBookstore size 4 M book 3.2 M book
Free content free content 2.5 M books 1.89 M books
Customer loyalty program Yes No
Average NYT best sellers price $9.24 $9.95
Number of NYT top-selling titles offered+ 38 38
Reader-to-reader lending Yes No
Cloud storage Yes Yes
Reading apps iOS, Android, BlackBerry, Windows Phone, PC and Mac iOS, Android, BlackBerry, PC and Mac
Additional electronic offerings newspapers, magazines, comics/graphic novels, textbooks, audio-books and blogs newspapers, magazines and comics/graphic novels
Has retail store locations No No
Kobo Vox
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Kobo Aura HD
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