# Sentry vs Wi

The clearest difference is in-app purchases: Wi at none against Sentry's 4. Wi also leads on update cadence (weekly vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sentry sells 4 in-app purchases, starting at $9.99 per 7 days. Wi asks for nothing beyond the download.

Sentry ships an update fortnightly, Wi weekly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Sentry | Wi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Size | 16 MB | 3 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MD. NASAR UDDIN REDOY](https://appshunter.io/developer/1653522796) | [VIBE AI, MCHJ](https://appshunter.io/developer/1758067993) |

## What reviewers say

### Sentry

[App page](https://appshunter.io/ios/app/sentry-hidden-camera-scan/id6782903690)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sentry Pro (Weekly) | $9.99 | per 7 days |
| Sentry Pro (Yearly) | $59.99 | per year |
| Sentry Pro Lifetime | $99.99 | one-time |
| Sentry Pro Lifetime | $149.99 | one-time |


### Wi

[App page](https://appshunter.io/ios/app/wi-fi-3d/id6821089781)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sentry free?

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

### Is Wi free?

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

### Do Sentry or Wi have ads?

Neither Sentry nor Wi shows ads.

### Which is updated more often, Sentry or Wi?

Sentry ships an update fortnightly, and Wi weekly. Most recently, Sentry was updated on November 5, 2026 and Wi 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.*