# Tetra Blast Jam vs Fast Chess!

The clearest difference is in-app purchases: Tetra Blast Jam at none against Fast Chess!'s 5. Fast Chess!'s advantage is iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Fast Chess! sells 5 one-off in-app purchases. Tetra Blast Jam asks for nothing beyond the download.

Tetra Blast Jam ships an update every 8 days, Fast Chess! fortnightly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Tetra Blast Jam | Fast Chess! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.5 (2 ratings)](https://appshunter.io/ios/app/fast-chess/id6757382636/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 8 days** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 175 MB | 129 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Backpack Games](https://appshunter.io/developer/1516613435) | [Oksana Voloshyna](https://appshunter.io/developer/1488883465) |

## What reviewers say

### Tetra Blast Jam

[App page](https://appshunter.io/ios/app/tetra-blast-jam/id6756301698)

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

**In-app purchases:** none


### Fast Chess!

[App page](https://appshunter.io/ios/app/fast-chess/id6757382636)

Experience a faster, more dynamic chess game on a compact 6x6 board. Perfect for quick thinking and sharp strategy, this app offers balanced matches against opponents suited to your skill level. Ideal for both enthusiasts and casual players seeking a fresh twist on the classic game.

**Highlights:** Unique 6x6 chess board, Short, intense matches, Balanced opponent matching, Clean, minimalist design, Ideal for quick breaks, Daily practice

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hints package | $1.99 | one-time |
| Hints package (5) | $2.99 | one-time |
| Hints package (10) | $3.99 | one-time |
| Hints package (20) | $4.99 | one-time |
| Hints package (30) | $5.99 | one-time |


## Frequently asked questions

### Is Tetra Blast Jam free?

Tetra Blast Jam is free to download, with no in-app purchases.

### Is Fast Chess! free?

Fast Chess! is free to download, with in-app purchases available.

### Do Tetra Blast Jam or Fast Chess! have ads?

Both Tetra Blast Jam and Fast Chess! show ads.

### Which is updated more often, Tetra Blast Jam or Fast Chess!?

Tetra Blast Jam ships an update every 8 days, and Fast Chess! fortnightly. Most recently, Tetra Blast Jam was updated on October 30, 2026 and Fast Chess! on October 31, 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.*