# Dowse vs Sysly

The clearest difference is update cadence: Dowse at every 4 days against Sysly's monthly. Dowse also leads on iOS requirement (17.0 vs 26.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Dowse sells 3 in-app purchases, starting at $3.99 per month and Sysly sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Dowse ships an update every 4 days, Sysly monthly. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Dowse | Sysly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/dowse-hidden-camera-detector/id6798614441/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Monthly |
| Monetization | Freemium | — |
| Size | 20 MB | 38 MB |
| Requires iOS | **17.0** | 26.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Redjan Hysa](https://appshunter.io/developer/1688524559) | [hamam alabdulla](https://appshunter.io/developer/1562896225) |

## What reviewers say

### Dowse

[App page](https://appshunter.io/ios/app/dowse-hidden-camera-detector/id6798614441)

Detect hidden cameras and trackers in your surroundings using your phone's sensors. It scans Wi-Fi and Bluetooth devices, guides you through a physical inspection, and helps locate lost Bluetooth items. The app also alerts you to persistent unknown trackers.

**Highlights:** Wi-Fi device scanning, Bluetooth tracker detection, Guided physical inspection, Lens glint scanner, Infrared scope, Lost Bluetooth item finder, Persistent tracker alerts

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Yearly | $19.99 | per year |
| Lifetime | $39.99 | one-time |


### Sysly

[App page](https://appshunter.io/ios/app/sysly/id6808439334)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sysly Pro | $9.99 | one-time |


## Frequently asked questions

### Is Dowse free?

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

### Is Sysly free?

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

### Do Dowse or Sysly have ads?

Neither Dowse nor Sysly shows ads.

### Which is updated more often, Dowse or Sysly?

Dowse ships an update every 4 days, and Sysly monthly. Most recently, Dowse was updated on October 24, 2026 and Sysly on October 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*