# Red Chilli VPN vs ZeroB Smart Tech

The clearest difference is in-app purchases: ZeroB Smart Tech at none against Red Chilli VPN's 4. ZeroB Smart Tech also leads on update cadence (every 3 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Red Chilli VPN sells 4 in-app purchases, starting at $5.99 per month. ZeroB Smart Tech asks for nothing beyond the download.

Red Chilli VPN ships an update every 3 months, ZeroB Smart Tech every 3 weeks. The most recent releases landed on September 18, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Red Chilli VPN | ZeroB Smart Tech |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 44 MB | 55 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Symlex Technologies LLC](https://appshunter.io/developer/1769364528) | [ION EXCHANGE INDIA LIMITED](https://appshunter.io/developer/1839408491) |

## What reviewers say

### Red Chilli VPN

[App page](https://appshunter.io/ios/app/red-chilli-vpn/id6443559877)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Package | $5.99 | per month |
| 3 Months Package | $7.99 | per 3 months |
| 6 Months Package | $14.99 | per 6 months |
| 1 Year Package | $39.99 | per year |


### ZeroB Smart Tech

[App page](https://appshunter.io/ios/app/zerob-smart-tech/id6759641358)

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

**In-app purchases:** none


## Frequently asked questions

### Is Red Chilli VPN free?

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

### Is ZeroB Smart Tech free?

ZeroB Smart Tech is free to download, with no in-app purchases.

### Do Red Chilli VPN or ZeroB Smart Tech have ads?

Neither Red Chilli VPN nor ZeroB Smart Tech shows ads.

### Which is updated more often, Red Chilli VPN or ZeroB Smart Tech?

Red Chilli VPN ships an update every 3 months, and ZeroB Smart Tech every 3 weeks. Most recently, Red Chilli VPN was updated on September 18, 2026 and ZeroB Smart Tech on September 8, 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.*