# Sentry vs Unspy

Sentry and Unspy are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Sentry sells 4 in-app purchases, starting at $9.99 per 7 days and Unspy sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Sentry ships an update fortnightly, Unspy every 11 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Sentry | Unspy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 11 days** |
| Size | 16 MB | 10 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) | [Akbarali Xasanov](https://appshunter.io/developer/6775700244) |

## 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 |


### Unspy

[App page](https://appshunter.io/ios/app/unspy-hidden-camera-detector/id6790170844)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sentri Pro Weekly | $4.99 | per 7 days |
| Sentri Pro | $9.99 | per month |
| Unspy Pro Yearly | $29.99 | per year |
| Unspy Pro Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Sentry free?

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

### Is Unspy free?

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

### Do Sentry or Unspy have ads?

Neither Sentry nor Unspy shows ads.

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

Sentry ships an update fortnightly, and Unspy every 11 days. Most recently, Sentry was updated on November 5, 2026 and Unspy on November 6, 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.*