# TriStack vs Learn MongoDB

The clearest difference is update cadence: TriStack at every 2 months against Learn MongoDB's every 13 months. TriStack also leads on iOS requirement (15.1 vs 17.0). Learn MongoDB's advantage is price ($2.99 vs $6.99). On ads, in-app purchases and device support there is nothing between them.

TriStack costs $6.99 and Learn MongoDB $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TriStack ships an update every 2 months, Learn MongoDB every 13 months. The most recent releases landed on November 4, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | TriStack | Learn MongoDB |
| --- | --- | --- |
| Price | $6.99 | **$2.99** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 13 months |
| Size | 36 MB | 189 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [SimTeCon GmbH](https://appshunter.io/developer/1761797043) | [Shahbaz Khan](https://appshunter.io/developer/1479963383) |

## What reviewers say

### TriStack

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

**In-app purchases:** none


### Learn MongoDB

[App page](https://appshunter.io/ios/app/learn-mongodb-nosql-database/id6753748759)

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

**In-app purchases:** none


## Frequently asked questions

### Is TriStack free?

TriStack costs $6.99, with no in-app purchases.

### Is Learn MongoDB free?

Learn MongoDB costs $2.99, with no in-app purchases.

### Do TriStack or Learn MongoDB have ads?

Neither TriStack nor Learn MongoDB shows ads.

### Which is updated more often, TriStack or Learn MongoDB?

TriStack ships an update every 2 months, and Learn MongoDB every 13 months. Most recently, TriStack was updated on November 4, 2026 and Learn MongoDB on November 13, 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.*