# Collective AI vs SentryBlack

The clearest difference is ads: Collective AI at none against SentryBlack's shown. Collective AI also leads on update cadence (every 3 days vs fortnightly) and iOS requirement (14.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Collective AI sells 2 in-app purchases, starting at $19.99 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.

Collective AI ships an update every 3 days, SentryBlack fortnightly. Both last shipped on October 25, 2026.

## The numbers

| Metric | Collective AI | SentryBlack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Fortnightly |
| Size | 55 MB | 17 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 9+ | 4+ |
| Developer | [Connexa GmbH (CH)](https://appshunter.io/developer/1721968560) | [Matthew Wong](https://appshunter.io/developer/6774040057) |

## What reviewers say

### Collective AI

[App page](https://appshunter.io/ios/app/collective-ai/id6757369660)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Collective AI Pro | $19.99 | per month |
| $10 Credits | $9.99 | 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 Collective AI free?

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

### Is SentryBlack free?

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

### Do Collective AI or SentryBlack have ads?

SentryBlack shows ads; Collective AI does not.

### Which is updated more often, Collective AI or SentryBlack?

Collective AI ships an update every 3 days, and SentryBlack fortnightly. Most recently, Collective AI was updated on October 25, 2026 and SentryBlack on October 25, 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.*