# Pacpost.live vs CalStack

The clearest difference is price: Pacpost.live at Free against CalStack's $9.99. Pacpost.live also leads on iOS requirement (16 vs 18.0). CalStack's advantage is in-app purchases (none vs 1) and update cadence (every 5 days vs every 3 weeks). On ads and device support there is nothing between them.

Pacpost.live is free to download; CalStack costs $9.99 up front. Pacpost.live sells 1 in-app purchase, starting at $699.99 per month. CalStack asks for nothing beyond the download.

Pacpost.live ships an update every 3 weeks, CalStack every 5 days. The most recent releases landed on September 30, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Pacpost.live | CalStack |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/pacpostlive/id1590156233/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Subscription | — |
| Best chart rank | — | **#190** |
| Size | 173 MB | 11 MB |
| Requires iOS | **16** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 17+ | 4+ |
| Developer | [Pacific Post Rentals, Inc](https://appshunter.io/developer/1590156235) | [Pick Two Productions Inc](https://appshunter.io/developer/1860419697) |

## What reviewers say

### Pacpost.live

[App page](https://appshunter.io/ios/app/pacpostlive/id1590156233)

This app enables real-time video streaming and conferencing for collaborative filmmaking. It offers secure file sharing, annotation tools, and multi-room functionality for seamless remote collaboration with editors, producers, and directors.

**Highlights:** Real-time video streaming, Video conferencing, File sharing, Annotation tools, Multi-room functionality, Sub-second delay

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Publisher Monthly Subscription | $699.99 | per month |


### CalStack

[App page](https://appshunter.io/ios/app/calstack/id6789672345)

**Currently charting:** #190 Top Paid · Productivity (US App Store)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Pacpost.live free?

Pacpost.live is free to download, with in-app purchases available.

### Is CalStack free?

CalStack costs $9.99, with no in-app purchases.

### Do Pacpost.live or CalStack have ads?

Neither Pacpost.live nor CalStack shows ads.

### Which is updated more often, Pacpost.live or CalStack?

Pacpost.live ships an update every 3 weeks, and CalStack every 5 days. Most recently, Pacpost.live was updated on September 30, 2026 and CalStack on September 23, 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.*