Reader Rocket Review Our evaluation of Aura HD vs 4

Display

How do the screens stack up?

Aura HD
7.0
iPad 4
8.7
Resolution, pixel density and Screen size

Bookstore

How good is the supporting ecosystem?

Aura HD
10.0
iPad 4
9.7
average NYT best sellers price and NYT's top selling titles

Performance

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

Aura HD
5.1
iPad 4
1.8
Battery life

Reviews

How do our trusted review sites rank these products?

Aura HD
n.d.
iPad 4
7.4
Reviews from techradar.com

Reader Rocket Score

Display, Bookstore, Performance and Reviews

Aura HD
7.2
iPad 4
6.9

Winner
Kobo Aura HD 

Reader Rocket recommends the Kobo Aura HD  based on its bookstore 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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Much lighter weight 240 g vs 652 g 2.7x lighter weight
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
Doesn't use a proprietary power connector No (micro-USB) vs Yes (Lightning port) Somewhat common; Standardized connectors are cheap, compatible and easy to find
Significantly longer battery life 28 hour vs 10 hour More than 2.8x longer battery life; read more between charges
Much better Input/Output port micro-USB vs Lightning port 100% better Input/Output port
Bookstore read bookstore purchases from Android reading app Yes (Kobo Books) vs No (iBookstore) About half of E-Readers have a complementary Android reading app
Bookstore read bookstore purchases from PC app Yes (Kobo Books) vs No (iBookstore) About half of E-Readers have a complementary PC app
Bookstore read bookstore purchases from mac app Yes (Kobo Books) vs No (iBookstore) About half of E-Readers have a complementary mac app
Is readable in direct sunlight Yes (E-Ink) vs No (LCD) Somewhat common; text doesn't look washed out in direct daylight
Uses an open platform Yes vs No Somewhat common; can download ebooks from any source offering formats supported by device
Front view of Apple iPad 4

Reasons to consider the
Apple iPad 4

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Has an app store Mac App Store vs None Most E-Readers have an app store
Significantly thinner 9 mm vs 11.7 mm Around 25% thinner ; easily slides into bags
Noticeably bigger screen 9.7" vs 6.8" Around 45% bigger screen
Can display full color Yes (LCD) vs No (E-Ink) Somewhat common; view images, read comics, and web-browse in full color
Significantly higher resolution screen 2048 x 1536 vs 1440 x 1080 More than 2x higher resolution screen
No black flash when turning pages No (LCD) vs Yes (E-Ink) Somewhat common; provides less obtrusive page turns
Faster processor 1,400 MHz vs 1,000 MHz 40% faster processor; a faster processor improves responsiveness

Specifications Full list of technical specs

screen

Aura HD  vs
iPad 4 
Screen resolution 1440 x 1080 2048 x 1536
Screen size 6.8" 9.7"
Pixel density 264 ppi 263 ppi
Built-in light ComfortLight LED backlight
Screen type E-Ink LCD
Touchscreen Infrared Capacitive
Flashes screen black during page turns Yes No

features

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

storage

Expansion slot microSD (up to 32GB) None
Memory 4 GB 16 GB

form factor

Size 128 x 175 x 11.7 mm 241 x 186 x 9 mm
Weight 240 g 652 g
Interface touchscreen touchscreen
Headphone jack No Yes

connectivity

Aura HD  vs
iPad 4 
Input/Output port micro-USB Lightning port
Cellular data None None
Wi-Fi 802.11b/g/n 802.11b/g/n
Bluetooth connectivity No Yes

technical specs

RAM 1,024 MB 1,024 MB
Processor 1,000 MHz 1,400 MHz

bookstore

Uses an open platform Yes No
Bookstore Kobo Books iBookstore
Average NYT best sellers price $9.95 $9.45
Number of NYT top-selling titles offered+ 38 36
Cloud storage Yes Yes
Has retail store locations No Yes
Kobo Aura HD
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Apple iPad 4
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