# Sail Accelerator vs Dolgun VPN

The clearest difference is in-app purchases: Dolgun VPN at none against Sail Accelerator's 4. Dolgun VPN also leads on update cadence (every 3 months vs every 15 months). Sail Accelerator's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 17). On price and ads there is nothing between them.

Both are free to download. Sail Accelerator sells 4 in-app purchases, starting at $1.99 per 7 days. Dolgun VPN asks for nothing beyond the download.

Sail Accelerator ships an update every 15 months, Dolgun VPN every 3 months. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Sail Accelerator | Dolgun VPN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 months** |
| Size | 18 MB | 56 MB |
| Requires iOS | **11.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lionscope OÜ](https://appshunter.io/developer/1582133774) | [Frozen Duck Technologies LLC](https://appshunter.io/developer/1896479240) |

## What reviewers say

### Sail Accelerator

[App page](https://appshunter.io/ios/app/sail-accelerator/id1621642957)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Week | $1.99 | per 7 days |
| One Month | $6.99 | per month |
| Half Year | $29.99 | per 6 months |
| One Year | $39.99 | per year |


### Dolgun VPN

[App page](https://appshunter.io/ios/app/dolgun-vpn/id6767481748)

**In-app purchases:** none


## Frequently asked questions

### Is Sail Accelerator free?

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

### Is Dolgun VPN free?

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

### Do Sail Accelerator or Dolgun VPN have ads?

Neither Sail Accelerator nor Dolgun VPN shows ads.

### Which is updated more often, Sail Accelerator or Dolgun VPN?

Sail Accelerator ships an update every 15 months, and Dolgun VPN every 3 months. Most recently, Sail Accelerator was updated on October 27, 2026 and Dolgun VPN on October 28, 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.*