Smart Case vs FindXeink
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart Case
Personalize your phone case with a dynamic e-ink display. Sync photos, text, QR codes, to-do lists, and weather directly to your case for easy access and improved efficiency.
- Sync photos and text
- Display QR codes
- Integrate to-do lists and calendars
- DIY dynamic views with custom fonts and colors
- E-ink screen image enhancement
- Import business cards
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Through the Smart Case "Smart Phone Case" app, you can sync your favorite photos, text, QR codes, to-do lists, calendars, and weather to the e-ink screen on your phone case and display them. It comes with many interesting and practical theme wallpapers: popular memes, touching copy, motivational quotes, work lists, cartoons, national style graphics and texts, and anime, everything you need is here. DIY Dynamic View: You can add your favorite images and text, and freely set the font, color, direction, and size to create a unique dynamic view for yourself. Using an e-ink screen image quality enhancement algorithm, four-color display, clearer details and edges, more natural gradients, presenting illustrations and portraits closer to the real effect. Convenient Code Display: It's very tedious to open various QR codes every day. You can transfer your frequently used QR codes to the e-ink screen on the phone case for display, and scan the code by showing the e-ink screen. WeChat QR code, payment code, service code can all be scanned. Improve Work and Life Efficiency: You can import to-do items, schedules, business cards, and other information to the e-ink screen to improve work and life efficiency.
FindXeink
Customize your e-ink display with custom images, text, and contact information. Easily upload designs, manage your upload history, and utilize rich templates for visually appealing displays via Bluetooth.
- Upload custom images
- Text input and editing
- Contact information display (QR code/text)
- History records for uploads
- Rich templates and themes
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FindXeink is your ultimate solution for controlling e-ink displays through Bluetooth. Whether you're displaying personalized images, important text, or your contact information, FindXeink makes it easy to customize and update your e-ink screen with just a few taps. Key Features: Upload Custom Images: Select, crop, and upload your favorite images to your e-ink display, allowing you to showcase any design or pattern you like. Text Input and Editing: Write text and upload it to your e-ink screen. Adjust the font size, style, and position to create the perfect display for your needs. Contact Information Display: Easily share your contact details by uploading them as either a QR code or text format, making it simple for others to connect with you. History Records: Save and manage your upload history. Quickly re-upload previous images and text without needing to start from scratch. Rich Templates and Themes: Choose from a variety of templates and theme styles to create visually appealing displays effortlessly. With FindXeink, your e-ink screen becomes more than just a display; it becomes an extension of your personality. Whether for professional use, personal expression, or anything in between, FindXeink is the app to bring your e-ink display to life.
Screenshots
Verdict
Smart Case and FindXeink both sit at 3.0 stars, but that hides the real split: 50% of Smart Case's written reviews are positive against 25% of FindXeink's. Smart Case also leads on update cadence (weekly vs monthly). On price, rating, ratings volume and ads 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.
On the App Store both sit at effectively the same score — 3.0 for Smart Case against 3.0 for FindXeink. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews are what separate them: 50% of Smart Case's written reviews are positive against 25% of FindXeink's.
Smart Case ships an update weekly, FindXeink monthly. Both last shipped on November 4, 2026.
| Parameter | Smart Case | FindXeink |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 3.0 (5 ratings) |
| Positive reviews | 50.0% of reviews — better | 25.0% of reviews |
| Number of ratings | 2 | 5 — better |
| Update frequency | Weekly — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 13 MB | 56 MB |
| Age rating | 9+ | 4+ |
| Developer | 波 宁 | ShenZhen Lenze Technology Co,.Ltd. |
Customer experience
Smart Case
FindXeink
In-app purchases
Smart Case
No in-app purchases
FindXeink
No in-app purchases









