# SentryCard Enroll vs Chapter Companion

The clearest difference is update cadence: Chapter Companion at every 5 days against SentryCard Enroll's every 2 months. Chapter Companion also leads on device support (3 vs 1) and iOS requirement (15.0 vs 26.0). On price, ads and in-app purchases 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, Chapter Companion every 5 days. Both last shipped on October 21, 2026.

## The numbers

| Metric | SentryCard Enroll | Chapter Companion |
| --- | --- | --- |
| 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 5 days** |
| Monetization | Free | — |
| Size | 5 MB | 41 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [SentryCard Technologies, Inc.](https://appshunter.io/developer/1604634176) | [Soance Innovations LLP](https://appshunter.io/developer/6804366037) |

## 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


### Chapter Companion

[App page](https://appshunter.io/ios/app/chapter-companion/id6804715863)

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

**In-app purchases:** none


## Frequently asked questions

### Is SentryCard Enroll free?

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

### Is Chapter Companion free?

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

### Do SentryCard Enroll or Chapter Companion have ads?

Neither SentryCard Enroll nor Chapter Companion shows ads.

### Which is updated more often, SentryCard Enroll or Chapter Companion?

SentryCard Enroll ships an update every 2 months, and Chapter Companion every 5 days. Most recently, SentryCard Enroll was updated on October 21, 2026 and Chapter Companion on October 21, 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.*