Comparison

Smart Case vs DeerPhoneCase

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

Head to head
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.

About

DeerPhoneCase

This utility software enables NFC passive ink screen phone case projection. It allows users to display information on their phone cases using NFC technology.

Highlights
  • NFC passive ink screen projection
  • Phone case display tool
  • Information projection
  • NFC technology integration
Read full description

NFC Passive Ink Screen Phone Case Projection Tool Software

Screenshots

Smart Case3 screens
DeerPhoneCase4 screens

Verdict

The call

The clearest difference is rating: Smart Case at 3.0 against DeerPhoneCase's 2.3. Smart Case also leads on review sentiment (50% vs 23%) and update cadence (weekly vs every 5 weeks). DeerPhoneCase's advantage is ratings volume (17 vs 2). On price, ads, in-app purchases and monetization model 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.

ReceptionRating · Positive reviews · Number of ratings

Smart Case holds the better App Store score, 3.0 against 2.3. That said, the two scores are not equally well evidenced: DeerPhoneCase has 17 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 50% of Smart Case's written reviews are positive against 23% of DeerPhoneCase's.

UpkeepUpdate frequency

Smart Case ships an update weekly, DeerPhoneCase every 5 weeks. The most recent releases landed on June 6, 2026 and July 21, 2026 respectively.

Scorecard4 real differences · 6 level
Smart Case versus DeerPhoneCase: the parameters behind the verdict, then further details
ParameterSmart CaseDeerPhoneCase
PriceFreeFree
Rating3.0 (2 ratings) — better2.3 (17 ratings)
Positive reviews50.0% of reviews — better23.2% of reviews
Number of ratings217 — better
Update frequencyWeekly — betterEvery 5 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size13 MB91 MB
Age rating9+17+
Developer波 宁召 李

Customer experience

Smart Case

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

DeerPhoneCase

All ratings17 ratings
Positive29.4%
Neutral0.0%
Negative70.6%
Written reviews69 reviews
Positive23.2%
Neutral7.2%
Negative69.6%

In-app purchases

None

Smart Case

No in-app purchases

None

DeerPhoneCase

No in-app purchases

Questions

Is Smart Case free?
Smart Case is free to download, with no in-app purchases.
Is DeerPhoneCase free?
DeerPhoneCase is free to download, with no in-app purchases.
Which has better reviews, Smart Case or DeerPhoneCase?
Smart Case is rated higher. Smart Case averages 3.0 out of 5 from 2 ratings, while DeerPhoneCase averages 2.3 from 17 ratings.
Do Smart Case or DeerPhoneCase have ads?
Neither Smart Case nor DeerPhoneCase shows ads.
Which is updated more often, Smart Case or DeerPhoneCase?
Smart Case ships an update weekly, and DeerPhoneCase every 5 weeks. Most recently, Smart Case was updated on June 6, 2026 and DeerPhoneCase on July 21, 2026.

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