# Hazard buster vs Smart Case

The clearest difference is update cadence: Smart Case at weekly against Hazard buster's every 3 months. 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.

Hazard buster ships an update every 3 months, Smart Case weekly. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Hazard buster | 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 | Every 3 months | **Weekly** |
| Monetization | — | Free |
| Size | 93 MB | 13 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [J-FRONTIER CO.,LTD.](https://appshunter.io/developer/1460077443) | [波 宁](https://appshunter.io/developer/1476146486) |

## What reviewers say

### Hazard buster

[App page](https://appshunter.io/ios/app/hazard-buster/id1460077444)

**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 Hazard buster free?

Hazard buster 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 Hazard buster or Smart Case have ads?

Neither Hazard buster nor Smart Case shows ads.

### Which is updated more often, Hazard buster or Smart Case?

Hazard buster ships an update every 3 months, and Smart Case weekly. Most recently, Hazard buster was updated on November 6, 2026 and Smart Case on November 8, 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.*