# Echo VPN vs Kaibo Flow

The clearest difference is review sentiment: Echo VPN at 57% against Kaibo Flow's 0%. Kaibo Flow's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Echo VPN sells 4 in-app purchases, starting at $2.99 per month. Kaibo Flow asks for nothing beyond the download.

## The numbers

| Metric | Echo VPN | Kaibo Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/echo-vpn/id6499183171/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | **57.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 10 MB | 4 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GalaxNet Ltd.](https://appshunter.io/developer/1691109635) | [Chia Po Lee](https://appshunter.io/developer/1790796618) |

## What reviewers say

### Echo VPN

[App page](https://appshunter.io/ios/app/echo-vpn/id6499183171)

This app provides two distinct VPN modes: one for secure global internet access and another for accelerating domestic Chinese content. It offers strong encryption, dynamic server switching, and is built on open-source technology. Users can enjoy a limited free daily session or subscribe for unlimited access.

**Highlights:** Privacy VPN mode, China App Acceleration mode, Open-source foundation (Tailscale/WireGuard), Dynamic server switching, Optimized for speed and performance, One-tap connection

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度订阅 | $2.99 | per month |
| Monthly Subscription | $2.99 | per month |
| 年度订阅 | $29.99 | per year |
| Yearly Subscription | $29.99 | per year |


### Kaibo Flow

[App page](https://appshunter.io/ios/app/kaibo-flow/id6740609432)

This app manages Kaibo Flow bone conduction Bluetooth headphones, offering real-time battery status, connection control, and multi-device pairing. Customize your audio experience with EQ adjustments and ensure optimal performance through firmware updates.

**Highlights:** Headphone battery display, Connection management, Multi-device connectivity, EQ adjustment, Software updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Echo VPN free?

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

### Is Kaibo Flow free?

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

### Do Echo VPN or Kaibo Flow have ads?

Echo VPN shows ads; Kaibo Flow does not.

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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.*