# Metrobank Authenticator vs Sentry Smartlock Plus

The clearest difference is review sentiment: Metrobank Authenticator at 25% against Sentry Smartlock Plus's 0%. Metrobank Authenticator also leads on update cadence (every 5 months vs every 12 months). Sentry Smartlock Plus's advantage is iOS requirement (13.0 vs 17.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Metrobank Authenticator ships an update every 5 months, Sentry Smartlock Plus every 12 months. The most recent releases landed on June 25, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Metrobank Authenticator | Sentry Smartlock Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/sentry-smartlock-plus/id1555979016/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **25.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 12 months |
| Monetization | Free | Free |
| Size | 22 MB | 319 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Metropolitan Bank & Trust Company](https://appshunter.io/developer/586611310) | [Limson Marketing Inc.](https://appshunter.io/developer/1555979018) |

## What reviewers say

### Metrobank Authenticator

[App page](https://appshunter.io/ios/app/metrobank-authenticator/id1439155206)

This app generates one-time use PIN codes for secure multi-factor authentication with your bank's e-channels. Use the generated code with your username and password to validate transactions and access online banking services.

**Highlights:** Generates one-time use PIN codes, Multi-factor authentication, Securely validates transactions, Access to e-channels, Dynamic security code generation

**In-app purchases:** none


### Sentry Smartlock Plus

[App page](https://appshunter.io/ios/app/sentry-smartlock-plus/id1555979016)

Control and access your smart lock using Bluetooth. Enjoy keyless convenience and configure your lock settings directly from your device.

**Highlights:** Keyless convenience, Bluetooth access, Smart lock configuration, Device access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Metrobank Authenticator free?

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

### Is Sentry Smartlock Plus free?

Sentry Smartlock Plus is free to download, with no in-app purchases.

### Do Metrobank Authenticator or Sentry Smartlock Plus have ads?

Neither Metrobank Authenticator nor Sentry Smartlock Plus shows ads.

### Which is updated more often, Metrobank Authenticator or Sentry Smartlock Plus?

Metrobank Authenticator ships an update every 5 months, and Sentry Smartlock Plus every 12 months. Most recently, Metrobank Authenticator was updated on June 25, 2026 and Sentry Smartlock Plus on September 17, 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.*