# Sentri vs SentryBlack

The clearest difference is ads: Sentri at none against SentryBlack's shown. SentryBlack's advantage is device support (3 vs 1). On price, update cadence, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Sentri sells 1 in-app purchase, starting at $9.99 per month and SentryBlack sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on September 15, 2026 and August 23, 2026 respectively.

## The numbers

| Metric | Sentri | SentryBlack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | Fortnightly |
| Size | 3 MB | 17 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Akbarali Xasanov](https://appshunter.io/developer/6775700244) | [Matthew Wong](https://appshunter.io/developer/6774040057) |

## What reviewers say

### Sentri

[App page](https://appshunter.io/ios/app/sentri-wifi-device-scanner/id6790170844)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sentri Pro | $9.99 | per month |


### SentryBlack

[App page](https://appshunter.io/ios/app/sentryblack-security-camera/id6790313702)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SentryBlack Pro (Monthly) | $4.99 | per month |
| SentryBlack Pro (Yearly) | $29.99 | per year |


## Frequently asked questions

### Is Sentri free?

Sentri is free to download, with in-app purchases available.

### Is SentryBlack free?

SentryBlack is free to download, with in-app purchases available.

### Do Sentri or SentryBlack have ads?

SentryBlack shows ads; Sentri does not.

### Which is updated more often, Sentri or SentryBlack?

Sentri ships an update fortnightly, and SentryBlack fortnightly. Most recently, Sentri was updated on September 15, 2026 and SentryBlack on August 23, 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.*