# PRESense vs Sheriff

The clearest difference is in-app purchases: PRESense at none against Sheriff's 7. Sheriff's advantage is update cadence (every 10 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sheriff sells 7 one-off in-app purchases. PRESense asks for nothing beyond the download.

PRESense ships an update every 2 months, Sheriff every 10 days. The most recent releases landed on September 30, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | PRESense | Sheriff |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (14 ratings)](https://appshunter.io/ios/app/sheriff/id6452084842/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | — | 93.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 49 MB | 18 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CAMLIN LTD](https://appshunter.io/developer/1165023713) | [Oliver White](https://appshunter.io/developer/1698751638) |

## What reviewers say

### PRESense

[App page](https://appshunter.io/ios/app/presense/id6448051640)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sheriff

[App page](https://appshunter.io/ios/app/sheriff/id6452084842)

Take control of your online privacy by selectively blocking JavaScript and cookies on a per-domain basis. This free utility enhances browsing speed, reduces data usage, and protects your device from malicious scripts and intrusive pop-ups.

**Highlights:** Per-domain JavaScript and cookie blocking, Enhanced online privacy and security, Faster browsing and data saving, Block intrusive pop-ups, Universal Safari compatibility, iCloud rule synchronization, Customizable content blocking rules

**Features:** Safari Extension, Family Sharing

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $1.00 | one-time |
| Medium Tip | $2.00 | one-time |
| Large Tip | $5.00 | one-time |
| Sheriff Pro (Discount) | $6.79 | one-time |
| Sheriff Pro | $9.00 | one-time |
| Extra Large Tip | $10.00 | one-time |
| Extra Extra Large Tip | $20.00 | one-time |


## Frequently asked questions

### Is PRESense free?

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

### Is Sheriff free?

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

### Do PRESense or Sheriff have ads?

Neither PRESense nor Sheriff shows ads.

### Which is updated more often, PRESense or Sheriff?

PRESense ships an update every 2 months, and Sheriff every 10 days. Most recently, PRESense was updated on September 30, 2026 and Sheriff on September 19, 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.*