Why should I buy this?

It turns an ordinary phone case into a persistent productivity surface.

Who is this best for?

iPhone users, note-taking users, productivity gadget buyers, E-Ink fans, travelers, and people who want glanceable information without unlocking their phone.

What makes this different from competitors?

It combines phone protection, E-Ink display, and voice-to-AI workflow in one accessory.

What is the AI or smart feature?

One-press recording, transcription, AI summaries, and smart widgets make it more than a decorative phone case.

What is the business value?

Strong impulse-gadget angle because the use case is easy to demonstrate visually.

What are the risks or caveats?

Reddit feedback shows some users see it as gimmicky, and final quality depends heavily on software and screen usefulness.

Product Demo

REETLE

REETLE SmartInk Screen Phone Case

$149.00

REETLE SmartInk I is an AI-powered E-Ink phone case that turns the back of an iPhone into a low-power productivity screen. It focuses on always-visible notes, widgets, to-do lists, AI transcription, one-press recording, and a more focused phone workflow.

Photos & Videos

1 / 6

YouTube Reviews and Demos

Posts on X

@Hackster.io

2025-12-17T15:30:37Z

The REETLE SmartInk I is a phone case with a low-power E Ink screen and one-touch voice recorder that boosts your productivity. https://t.co/mRqbSA0GRI

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@CNX Software

2025-12-18T14:10:48Z

iPhone and Android phone case with @EInk display, microphone https://t.co/TNfs5DP7gN The REETLE SmartInk I case adds a secondary 3.97-inch ePaper screen on the back of your smartphone for reading text, viewing notes, recording voice, and displaying to-do items, allowing basic… pic.twitter.com/HxlCzbwFnH

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@Gadgetify

2025-11-27T21:01:22Z

REETLE SmartInk I: Voice Recorder iPhone 17 E-ink Case with AI Translation - https://t.co/x9qlKQCewo pic.twitter.com/krCxNGJk6I

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Reddit Discussions

Specifications

product typeAI E-Ink phone case

main modelREETLE SmartInk I

device fitiPhone-focused according to Kickstarter positioning

display3.97-inch E-Ink / ePaper display reported in coverage

resolution480 x 800

pixel density235 PPI

thicknessabout 4 mm reported in coverage

core featuresE-Ink widgets, notes, to-do display, schedules, QR / boarding pass display

FAQ

REETLE

REETLE SmartInk Screen Phone Case

$149.00

REETLE SmartInk I is an AI-powered E-Ink phone case that turns the back of an iPhone into a low-power productivity screen. It focuses on always-visible notes, widgets, to-do lists, AI transcription, one-press recording, and a more focused phone workflow.