# PerchCam vs SentryBlack

The clearest difference is ads: PerchCam at none against SentryBlack's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. PerchCam sells 2 in-app purchases, starting at $0.99 per year 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.

PerchCam ships an update every 2 weeks, SentryBlack fortnightly. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PerchCam | SentryBlack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Size | 32 MB | 17 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [原野 葛](https://appshunter.io/developer/1704204366) | [Matthew Wong](https://appshunter.io/developer/6774040057) |

## What reviewers say

### PerchCam

[App page](https://appshunter.io/ios/app/perchcam-security-camera/id6769751457)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PerchCam Pro · Annual | $0.99 | per year |
| PerchCam Pro · مدى الحياة | $2.99 | one-time |


### 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 PerchCam free?

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

### Is SentryBlack free?

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

### Do PerchCam or SentryBlack have ads?

SentryBlack shows ads; PerchCam does not.

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

PerchCam ships an update every 2 weeks, and SentryBlack fortnightly. Most recently, PerchCam was updated on October 28, 2026 and SentryBlack on October 31, 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.*