# TriStack vs Learn Containers with Docker

The clearest difference is update cadence: TriStack at every 2 months against Learn Containers with Docker's every 6 months. Learn Containers with Docker's advantage is price ($4.99 vs $5.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

TriStack costs $5.99 and Learn Containers with Docker $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TriStack ships an update every 2 months, Learn Containers with Docker every 6 months. The most recent releases landed on September 17, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | TriStack | Learn Containers with Docker |
| --- | --- | --- |
| Price | $5.99 | **$4.99** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Size | 36 MB | 10 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | +4 |
| Developer | [SimTeCon GmbH](https://appshunter.io/developer/1761797043) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### TriStack

[App page](https://appshunter.io/ios/app/tristack/id6743567658)

**In-app purchases:** none


### Learn Containers with Docker

[App page](https://appshunter.io/ios/app/learn-containers-with-docker/id6749623110)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TriStack free?

TriStack costs $5.99, with no in-app purchases.

### Is Learn Containers with Docker free?

Learn Containers with Docker costs $4.99, with no in-app purchases.

### Do TriStack or Learn Containers with Docker have ads?

Neither TriStack nor Learn Containers with Docker shows ads.

### Which is updated more often, TriStack or Learn Containers with Docker?

TriStack ships an update every 2 months, and Learn Containers with Docker every 6 months. Most recently, TriStack was updated on September 17, 2026 and Learn Containers with Docker on September 26, 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.*