# Clamshell vs Smart Card Inspector for PIV

The clearest difference is in-app purchases: Clamshell at none against Smart Card Inspector for PIV's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Smart Card Inspector for PIV sells 1 one-off in-app purchase. Clamshell asks for nothing beyond the download.

Clamshell ships an update every 6 weeks, Smart Card Inspector for PIV monthly. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Clamshell | Smart Card Inspector for PIV |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/clamshell/id6477896729/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 8 MB | 10 MB |
| Requires iOS | 18.4 | **18.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Kovrazhkin](https://appshunter.io/developer/1544108014) | [3D Space Works](https://appshunter.io/developer/1880351617) |

## What reviewers say

### Clamshell

[App page](https://appshunter.io/ios/app/clamshell/id6477896729)

Monitor the status of all your Macs from your iPhone or iPad. This app allows you to track lid and system states remotely, ensuring you're always informed about your devices. It utilizes iCloud for secure data synchronization without third-party servers.

**Highlights:** Monitor Mac lid states, Track system statuses (Awake, Sleep, etc.), Remote monitoring from iPhone/iPad, iCloud synchronization, Supports Mac desktops

**In-app purchases:** none


### Smart Card Inspector for PIV

[App page](https://appshunter.io/ios/app/smart-card-inspector-for-piv/id6759722547)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version Unlock | $14.99 | one-time |


## Frequently asked questions

### Is Clamshell free?

Clamshell is free to download, with no in-app purchases.

### Is Smart Card Inspector for PIV free?

Smart Card Inspector for PIV is free to download, with in-app purchases available.

### Do Clamshell or Smart Card Inspector for PIV have ads?

Neither Clamshell nor Smart Card Inspector for PIV shows ads.

### Which is updated more often, Clamshell or Smart Card Inspector for PIV?

Clamshell ships an update every 6 weeks, and Smart Card Inspector for PIV monthly. Most recently, Clamshell was updated on November 4, 2026 and Smart Card Inspector for PIV on October 31, 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.*