E Ink BT Solution vs InkCase
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
E Ink BT Solution
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The E Ink BT Solution App is a Bluetooth application designed specifically for the Bluetooth solution of E Ink Electronic Paper Display (EPD Device). Users get images from cameras and photo albums. Then transfer to the EPD device via Bluetooth This app support: 1. Smart Package 1.3" Solution 2. Smartphone dongle 2.9" solution
InkCase
This app allows you to customize the e-ink screen of your phone case with your own text and images. Choose from pre-made themes or create unique designs, and even display QR codes for easy access.
- DIY wallpaper customization
- Add custom text and images
- Pre-made theme wallpapers
- Display QR codes
- Image quality enhancement
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【APP Introduction】 InkCase is an app created by the reinkstone team for Ink Case, which can DIY wallpaper for the phone case e-ink screen to display. You can freely edit text and pictures to create your exclusive wallpaper. You can also choose your favorite wallpaper from the official theme. Transfer to the e-ink screen of the Ink Case for display. 【The Dynamic Window For Your iPhone】 1.Built-in many interesting and practical theme wallpapers: meme, popular copywriting, to do list, cartoon portrait, etc. 2.DIY Exclusive Dynamic Wallpaper:You can add your favorite pictures and words. The font, color, direction and size can be freely set to create your own dynamic wallpaper. The e-ink image quality enhancement algorithm is used to present illustrations and portraits that are closer to reality. 3.Convenient to display QR code:You can transfer your frequently used QR codes to display on the e-ink screen of the phone case. You only need to show your reink case and others can scan the QR code.
Screenshots
Verdict
The clearest difference is update cadence: InkCase at every 2 months against E Ink BT Solution's every 9 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
E Ink BT Solution ships an update every 9 months, InkCase every 2 months. The most recent releases landed on September 24, 2026 and October 8, 2026 respectively.
| Parameter | E Ink BT Solution | InkCase |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.4 (9 ratings) — better |
| Positive reviews | — | 44.4% of reviews |
| Number of ratings | — | 9 — better |
| Update frequency | Every 9 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 1 MB | 139 MB |
| Age rating | 4+ | 9+ |
| Developer | E Ink Holdings Inc. | Shenzhen Wiwood Technology .,Ltd |
In-app purchases
E Ink BT Solution
No in-app purchases
InkCase
No in-app purchases









