# PiChalk2.0 vs Vopen

The clearest difference is ads: PiChalk2.0 at none against Vopen's shown. PiChalk2.0 also leads on iOS requirement (11.0 vs 15.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 18, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | PiChalk2.0 | Vopen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/vopen/id6738730521/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Weekly | Weekly |
| Monetization | — | Ad-supported |
| Size | 209 MB | 180 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PISX(SHANGHAI)CO.,LTD.](https://appshunter.io/developer/1460564678) | [YAN HUI LUO](https://appshunter.io/developer/1463183369) |

## What reviewers say

### PiChalk2.0

[App page](https://appshunter.io/ios/app/pichalk20/id6444149224)

**Features:** macOS Compatibility

**In-app purchases:** none


### Vopen

[App page](https://appshunter.io/ios/app/vopen/id6738730521)

This utility app offers real-time video broadcasting, local playback, and cloud storage. It features AI-powered alarms, remote camera control, and voice communication for on-site monitoring.

**Highlights:** Real-time video broadcasting, Local video playback, Video cloud storage, AI intelligent alarm, Remote pan tilt control, Voice intercom

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

**In-app purchases:** none


## Frequently asked questions

### Is PiChalk2.0 free?

PiChalk2.0 is free to download, with no in-app purchases.

### Is Vopen free?

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

### Do PiChalk2.0 or Vopen have ads?

Vopen shows ads; PiChalk2.0 does not.

### Which is updated more often, PiChalk2.0 or Vopen?

PiChalk2.0 ships an update weekly, and Vopen weekly. Most recently, PiChalk2.0 was updated on September 18, 2026 and Vopen on September 9, 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.*