Comparison

E Ink BT Solution vs Smart Case

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

E Ink BT Solution

Features
Read full description

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

About

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.

Highlights
  • 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
Features
Read full description

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.

Screenshots

E Ink BT Solution3 screens
Smart Case3 screens

Verdict

The call

The clearest difference is update cadence: Smart Case at weekly 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

E Ink BT Solution ships an update every 9 months, Smart Case weekly. The most recent releases landed on September 24, 2026 and September 30, 2026 respectively.

Scorecard1 real difference · 9 level
E Ink BT Solution versus Smart Case: the parameters behind the verdict, then further details
ParameterE Ink BT SolutionSmart Case
PriceFreeFree
Rating—3.0 (2 ratings) — better
Positive reviews—50.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 9 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.0 — better14.0
Further details — not scored
Size1 MB13 MB
Age rating4+9+
DeveloperE Ink Holdings Inc.波 宁

In-app purchases

None

E Ink BT Solution

No in-app purchases

None

Smart Case

No in-app purchases

Questions

Is E Ink BT Solution free?
E Ink BT Solution is free to download, with no in-app purchases.
Is Smart Case free?
Smart Case is free to download, with no in-app purchases.
Do E Ink BT Solution or Smart Case have ads?
Neither E Ink BT Solution nor Smart Case shows ads.
Which is updated more often, E Ink BT Solution or Smart Case?
E Ink BT Solution ships an update every 9 months, and Smart Case weekly. Most recently, E Ink BT Solution was updated on September 24, 2026 and Smart Case on September 30, 2026.

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