SolarWriter 4+

Make an e-reader a typewriter‪!‬

Cool S, LLC

Designed for iPad

    • 4.6 • 8 Ratings
    • Free
    • Offers In-App Purchases



Make your e-reader a typewriter and write outside!

Traditional screens are fantastic everywhere but outside, especially on a sunny day. E-ink screens work well, but e-readers like the Kindle are difficult to type on and don't support external keyboards.

SolarWriter gives you the best of both worlds.

SolarWriter runs on your iOS device and acts as a hub between your keyboard and your e-reader. You type on the keyboard, and the text appears on both on the iOS device and on the e-reader's screen (via its web browser).

Take advantage of your Kindle's (or other e-reader's) e-ink screen to put your thoughts on paper even outside, with no need to transcribe later.

Write at parks, on beaches, in backyards... anywhere you wanted to but couldn't.

Save files on your device, or share through email, SMS, and more.

Detailed instructions for setup are included inside the app.

What’s New

Version 2.3

Introducing SolarWriter Pro!

• Unlimited documents
• Customizable fonts, sizes, and alignment
• Markdown support
• Blackout: save power on OLED screens

In addition, the cursor can now be moved from the e-reader, and SolarWriter is more responsive than ever--for everyone.
And as always, the basic version is free forever!

Ratings and Reviews

4.6 out of 5
8 Ratings

8 Ratings

lchadde ,

Charmingly clever

I love little joyful apps like this. I was wondering the other day if I could use my Kindle as a display for writing in the sun, and surprised to learn it was near impossible. Then I rabbitholed on modern e-ink typewriters, but they’re all egregiously expensive for a non-professional.

Finding this app a ways down the Google results page was amazing. Dead simple to use, and covers the use case perfectly.

The only wonky part is having to leave my phone screen on, ideally shaded in a bag, but not a huge deal.

My request for the developer: dark mode with true black, so I can dramatically reduce the energy consumption of the OLED display while it’s on. In the meantime, I use Classic Invert in the Accessibility settings (Smart Invert doesn’t work for some reason) to achieve this.

Thank you for making this!

CulverTony ,

An inspiring piece of software!

I don’t often leave reviews for software, because much of the mobile software I’ve used in the last 10 years is either overpriced, bloated or short of my expectations.

SolarWriter is an awesome piece of software, and I appreciate what it has done for my writing workflow.

BAK1 ,

Exactly what I was looking for

I wanted a way to write without distraction but didn’t want to pay for expensive devices like freewrite. This is exactly what I was looking for and very easy to set up. I already had a Kobo e-reader (it works with libre 2) and now I can do some distraction free writing even outdoors! Thanks for the app!

App Privacy

The developer, Cool S, LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Purchases

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    Some in‑app purchases, including subscriptions, may be shareable with your family group when Family Sharing is enabled.

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