# Flow Production Tracking vs CalStack

The clearest difference is price: Flow Production Tracking at Free against CalStack's $9.99. Flow Production Tracking also leads on iOS requirement (14.0 vs 18.0). CalStack's advantage is update cadence (every 5 days vs every 3 months). On ads, in-app purchases and device support there is nothing between them.

Flow Production Tracking is free to download; CalStack costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Flow Production Tracking ships an update every 3 months, CalStack every 5 days. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Flow Production Tracking | CalStack |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[1.5 (16 ratings)](https://appshunter.io/ios/app/flow-production-tracking/id890539950/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 9.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 19 MB | 20 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Autodesk Inc.](https://appshunter.io/developer/295089690) | [Pick Two Productions Inc](https://appshunter.io/developer/1860419697) |

## What reviewers say

### Flow Production Tracking

[App page](https://appshunter.io/ios/app/flow-production-tracking/id890539950)

This mobile application extends production tracking capabilities for supervisors, artists, producers, and directors. It allows users to review work, provide feedback, and stay updated on projects from anywhere, ensuring seamless workflow for film, TV, and game development.

**Highlights:** On-the-go project updates, Feedback submission, Team communication, Workflow management, Mobile review capabilities

**In-app purchases:** none


### CalStack

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

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Flow Production Tracking free?

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

### Is CalStack free?

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

### Do Flow Production Tracking or CalStack have ads?

Neither Flow Production Tracking nor CalStack shows ads.

### Which is updated more often, Flow Production Tracking or CalStack?

Flow Production Tracking ships an update every 3 months, and CalStack every 5 days. Most recently, Flow Production Tracking was updated on October 7, 2026 and CalStack on October 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.*