# Doppler VPN vs USM Proxy

The clearest difference is in-app purchases: USM Proxy at none against Doppler VPN's 3. USM Proxy also leads on ads (none vs shown) and iOS requirement (15.1 vs 18.0). Doppler VPN's advantage is update cadence (every 9 days vs every 4 months). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Doppler VPN sells 3 in-app purchases, starting at $6.99 per month. USM Proxy asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Doppler VPN against 5.0 for USM Proxy. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Doppler VPN ships an update every 9 days, USM Proxy every 4 months. The most recent releases landed on October 3, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Doppler VPN | USM Proxy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/doppler-vpn/id6757091773/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/usm-proxy/id6761716198/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 62 MB | 32 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Simnetiq](https://appshunter.io/developer/1857647779) | [USM Tech, Inc.](https://appshunter.io/developer/1883779002) |

## What reviewers say

### Doppler VPN

[App page](https://appshunter.io/ios/app/doppler-vpn/id6757091773)

Browse privately and securely with encrypted connections that require no registration. This app offers advanced anti-censorship technology, DNS-level ad and tracker blocking, and smart routing for optimal performance. Enjoy a seamless, one-tap connection experience with a built-in kill switch for uninterrupted privacy.

**Highlights:** No registration required, VLESS-REALITY protocol, Encrypted DNS, Smart routing, DNS-level ad blocker, One-tap connection, Kill switch

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium VPN — Monthly | $6.99 | per month |
| Premium VPN — 6 Months | $29.99 | per 6 months |
| Premium VPN — 1 Year | $39.99 | per year |


### USM Proxy

[App page](https://appshunter.io/ios/app/usm-proxy/id6761716198)

Establish a secure and stable internet connection with a single tap. This tool offers automatic reconnection and multiple profiles for a reliable browsing experience. Designed for personal and family use, it ensures a simple and private connection.

**Highlights:** One-tap connection, Automatic reconnection, Multiple connection profiles, Endpoint selection, Secure device-based authentication

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

**In-app purchases:** none


## Frequently asked questions

### Is Doppler VPN free?

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

### Is USM Proxy free?

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

### Which has better reviews, Doppler VPN or USM Proxy?

Doppler VPN and USM Proxy are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Doppler VPN or USM Proxy have ads?

Doppler VPN shows ads; USM Proxy does not.

### Which is updated more often, Doppler VPN or USM Proxy?

Doppler VPN ships an update every 9 days, and USM Proxy every 4 months. Most recently, Doppler VPN was updated on October 3, 2026 and USM Proxy on October 10, 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.*