# MobileKey vs Smart Case

The clearest difference is update cadence: MobileKey at daily against Smart Case's weekly. On price, ads, in-app purchases and device support there is nothing between them.

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

MobileKey ships an update daily, Smart Case weekly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | MobileKey | Smart Case |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/smart-case-nfc-ink-screen/id6502571771/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Weekly |
| Monetization | — | Free |
| Size | 1 MB | 13 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [SMARTCHIP MICROELECTRONICS CORP.](https://appshunter.io/developer/872823142) | [波 宁](https://appshunter.io/developer/1476146486) |

## What reviewers say

### MobileKey

[App page](https://appshunter.io/ios/app/mobilekey-tj/id1611453268)

**In-app purchases:** none


### Smart Case

[App page](https://appshunter.io/ios/app/smart-case-nfc-ink-screen/id6502571771)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MobileKey free?

MobileKey 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 MobileKey or Smart Case have ads?

Neither MobileKey nor Smart Case shows ads.

### Which is updated more often, MobileKey or Smart Case?

MobileKey ships an update daily, and Smart Case weekly. Most recently, MobileKey was updated on November 3, 2026 and Smart Case on November 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*