# BTMSR vs Smart Card Inspector for PIV

The clearest difference is update cadence: BTMSR at every 8 days against Smart Card Inspector for PIV's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. BTMSR sells 2 in-app purchases, starting at $4.99 per month and Smart Card Inspector for PIV sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

BTMSR ships an update every 8 days, Smart Card Inspector for PIV monthly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | BTMSR | Smart Card Inspector for PIV |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Monthly |
| Size | 1 MB | 10 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [TCool LTD.](https://appshunter.io/developer/1711330864) | [3D Space Works](https://appshunter.io/developer/1880351617) |

## What reviewers say

### BTMSR

[App page](https://appshunter.io/ios/app/btmsr-postech/id6745852846)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BTMSR Monthly Membership | $4.99 | per month |
| BTMSR Annual Membership | $19.99 | per year |


### 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 BTMSR free?

BTMSR is free to download, with in-app purchases available.

### Is Smart Card Inspector for PIV free?

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

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

Neither BTMSR nor Smart Card Inspector for PIV shows ads.

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

BTMSR ships an update every 8 days, and Smart Card Inspector for PIV monthly. Most recently, BTMSR was updated on October 30, 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.*