# Gudnak Deck Builder vs Tetranea

The clearest difference is in-app purchases: Gudnak Deck Builder at none against Tetranea's 2. Gudnak Deck Builder also leads on update cadence (every 2 days vs every 5 days). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Tetranea sells 2 one-off in-app purchases. Gudnak Deck Builder asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Gudnak Deck Builder against 5.0 for Tetranea. Both are backed by a comparable volume of ratings — 4 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Gudnak Deck Builder ships an update every 2 days, Tetranea every 5 days. The most recent releases landed on September 25, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Gudnak Deck Builder | Tetranea |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/gudnak-deck-builder/id6738632580/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/tetranea/id6744836024/reviews) |
| Number of ratings | 4 | **5** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 37 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Peter Davids](https://appshunter.io/developer/1605500148) | [Nathanael Boxer](https://appshunter.io/developer/1809452360) |

## What reviewers say

### Gudnak Deck Builder

[App page](https://appshunter.io/ios/app/gudnak-deck-builder/id6738632580)

A tactical card game set on a 3x3 grid. Players choose factions and heroes to siege opponent strongholds while defending their own. Features easy-to-learn rules with deep strategic gameplay.

**Highlights:** 3x3 grid tactical gameplay, Faction and hero selection, Siege and defense mechanics, Easy to learn rules, Deep strategic depth

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

**In-app purchases:** none


### Tetranea

[App page](https://appshunter.io/ios/app/tetranea/id6744836024)

This puzzle game combines roguelike deckbuilding with tile-placement mechanics on a 9x9 grid. Build a unique deck each run to alter gameplay, with over 200 cards to discover and modify. Enjoy short or long runs with increasing difficulty and multiple scoring methods.

**Highlights:** Roguelike deckbuilding, Tile placement on 9x9 grid, 200+ discoverable cards, Card modification, Boss battles, Row and column chaining, Multiple scoring methods

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tetranea Full Game | $2.99 | one-time |
| Tetranea Full Game | $4.99 | one-time |


## Frequently asked questions

### Is Gudnak Deck Builder free?

Gudnak Deck Builder is free to download, with no in-app purchases.

### Is Tetranea free?

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

### Which has better reviews, Gudnak Deck Builder or Tetranea?

Gudnak Deck Builder and Tetranea are both rated 5.0 out of 5 on the App Store, from 4 and 5 ratings respectively.

### Do Gudnak Deck Builder or Tetranea have ads?

Neither Gudnak Deck Builder nor Tetranea shows ads.

### Which is updated more often, Gudnak Deck Builder or Tetranea?

Gudnak Deck Builder ships an update every 2 days, and Tetranea every 5 days. Most recently, Gudnak Deck Builder was updated on September 25, 2026 and Tetranea 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.*