# SentryCard Enroll vs ZTPASS KEY MANAGER

The clearest difference is update cadence: ZTPASS KEY MANAGER at every 3 weeks against SentryCard Enroll's every 2 months. ZTPASS KEY MANAGER also leads on iOS requirement (15.0 vs 26.0). 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.

SentryCard Enroll ships an update every 2 months, ZTPASS KEY MANAGER every 3 weeks. The most recent releases landed on October 21, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | SentryCard Enroll | ZTPASS KEY MANAGER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sentrycard-enroll/id6736632425/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 5 MB | 13 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sentry Enterprises](https://appshunter.io/developer/1604634176) | [ZTPASS INC.](https://appshunter.io/developer/1878365895) |

## What reviewers say

### SentryCard Enroll

[App page](https://appshunter.io/ios/app/sentrycard-enroll/id6736632425)

This app guides users through the biometric enrollment process for their SentryCard. It allows for fingerprint enrollment, verification of enrolled fingers, and checking card version information.

**Highlights:** Guided fingerprint enrollment, Verify enrolled fingers, Check card version information, Secure new card setup

**In-app purchases:** none


### ZTPASS KEY MANAGER

[App page](https://appshunter.io/ios/app/ztpass-key-manager/id6759387077)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SentryCard Enroll free?

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

### Is ZTPASS KEY MANAGER free?

ZTPASS KEY MANAGER is free to download, with no in-app purchases.

### Do SentryCard Enroll or ZTPASS KEY MANAGER have ads?

Neither SentryCard Enroll nor ZTPASS KEY MANAGER shows ads.

### Which is updated more often, SentryCard Enroll or ZTPASS KEY MANAGER?

SentryCard Enroll ships an update every 2 months, and ZTPASS KEY MANAGER every 3 weeks. Most recently, SentryCard Enroll was updated on October 21, 2026 and ZTPASS KEY MANAGER on October 5, 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.*