# Sentinel (Retirement) vs Card Authenticator

Sentinel (Retirement) and Card Authenticator are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Sentinel (Retirement) | Card Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (25 ratings)](https://appshunter.io/ios/app/sentinel-retirement/id1558437515/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 26.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | — |
| Monetization | Free | — |
| Size | 23 MB | 46 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Sentinel Benefits Group](https://appshunter.io/developer/1045614639) | [WEX, Inc.](https://appshunter.io/developer/480887519) |

## What reviewers say

### Sentinel (Retirement)

[App page](https://appshunter.io/ios/app/sentinel-retirement/id1558437515)

Access your retirement account information in real-time. View your balance, rate of return, and fund performance. Easily manage contribution rates and password changes on the go.

**Highlights:** Real-time account access, View balance and rate of return, Manage contribution rates, Track fund performance, Password change functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### Card Authenticator

[App page](https://appshunter.io/ios/app/card-authenticator/id6446494443)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sentinel (Retirement) free?

Sentinel (Retirement) is free to download, with no in-app purchases.

### Is Card Authenticator free?

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

### Do Sentinel (Retirement) or Card Authenticator have ads?

Neither Sentinel (Retirement) nor Card Authenticator shows ads.

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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.*