Reader Rocket Review Our evaluation of Aura HD vs Arc


How do the screens stack up?

Aura HD
Kobo Arc
Resolution, pixel density and Screen size


How good is the supporting ecosystem?

Aura HD
Kobo Arc
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?

Aura HD
Kobo Arc
Battery life


How do our trusted review sites rank these products?

Aura HD
Kobo Arc
Reviews from

Reader Rocket Score

Display, Bookstore, Performance and Reviews

Aura HD
Kobo Arc

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 Aura HD

Reasons to consider the
Kobo Aura HD

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Expandable memory microSD (up to 32GB) vs None About half of E-Readers have an expansion slot ; store more content with a removable microSD card
Significantly longer battery life 28 hour vs 10 hour More than 2.8x 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 364 g Around 35% lighter weight
Higher resolution screen 1440 x 1080 vs 1280 x 800 More than 50% higher resolution screen
Front view of Kobo Arc

Reasons to consider the
Kobo Arc

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Has an app store Google Play vs None Most E-Readers have an app store
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
Significantly faster processor 1,500 MHz vs 1,000 MHz 50% faster processor; a faster processor improves responsiveness

Specifications Full list of technical specs


Aura HD  vs
Screen resolution 1440 x 1080 1280 x 800
Screen size 6.8" 7"
Pixel density 264 ppi 215 ppi
Built-in light ComfortLight LED backlight
Screen type E-Ink LCD
Touchscreen Infrared Capacitive
Flashes screen black during page turns Yes No


Sync across multiple devices Yes Yes
Web browser Yes Yes


Expansion slot microSD (up to 32GB) None
Memory 4 GB 64 GB

form factor

Size 128 x 175 x 11.7 mm 189 x 120 x 11.5 mm
Weight 240 g 364 g
Interface touchscreen touchscreen
Headphone jack No Yes


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

technical specs

RAM 1,024 MB 1,024 MB
Processor 1,000 MHz 1,500 MHz


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