# Green vs SentryCard Enroll

The clearest difference is update cadence: Green at weekly against SentryCard Enroll's every 2 months. Green also leads on iOS requirement (18.0 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.

Green ships an update weekly, SentryCard Enroll every 2 months. The most recent releases landed on September 19, 2026 and July 6, 2026 respectively.

## The numbers

| Metric | Green | SentryCard Enroll |
| --- | --- | --- |
| 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 | **Weekly** | Every 2 months |
| Monetization | — | Free |
| Size | 69 MB | 6 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [IDCUBE IDENTIFICATION Systems Pvt. Ltd.](https://appshunter.io/developer/1184190767) | [SentryCard Technologies, Inc.](https://appshunter.io/developer/1604634176) |

## What reviewers say

### Green

[App page](https://appshunter.io/ios/app/green-id/id6447350273)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Green free?

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

### Is SentryCard Enroll free?

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

### Do Green or SentryCard Enroll have ads?

Neither Green nor SentryCard Enroll shows ads.

### Which is updated more often, Green or SentryCard Enroll?

Green ships an update weekly, and SentryCard Enroll every 2 months. Most recently, Green was updated on September 19, 2026 and SentryCard Enroll on July 6, 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.*