# upOTA vs SentryBlack

The clearest difference is in-app purchases: upOTA at none against SentryBlack's 2. upOTA also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. SentryBlack sells 2 in-app purchases, starting at $4.99 per month. upOTA asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | upOTA | SentryBlack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | Fortnightly |
| Size | 63 MB | 17 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Gigaboyz.com](https://appshunter.io/developer/1141349514) | [Matthew Wong](https://appshunter.io/developer/6774040057) |

## What reviewers say

### upOTA

[App page](https://appshunter.io/ios/app/upota/id6760284851)

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

**In-app purchases:** none


### 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 upOTA free?

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

### Is SentryBlack free?

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

### Do upOTA or SentryBlack have ads?

SentryBlack shows ads; upOTA does not.

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

upOTA ships an update fortnightly, and SentryBlack fortnightly. Most recently, upOTA was updated on October 7, 2026 and SentryBlack on October 3, 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.*