# Sudoku Brain Challenge vs Station Jam

The clearest difference is ads: Sudoku Brain Challenge at none against Station Jam's shown. Sudoku Brain Challenge also leads on update cadence (every 2 days vs weekly) and iOS requirement (6.0 vs 12.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Sudoku Brain Challenge sells 7 one-off in-app purchases and Station Jam sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Sudoku Brain Challenge ships an update every 2 days, Station Jam weekly. Both last shipped on November 4, 2026.

## The numbers

| Metric | Sudoku Brain Challenge | Station Jam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (223 ratings)](https://appshunter.io/ios/app/station-jam/id6505045647/reviews)** |
| Number of ratings | — | **223** |
| Positive reviews | — | 12.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 22 MB | 241 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hai Tran](https://appshunter.io/developer/1170864260) | [Nox(HongKong) Limited](https://appshunter.io/developer/1467860043) |

## What reviewers say

### Sudoku Brain Challenge

[App page](https://appshunter.io/ios/app/sudoku-brain-challenge/id1302994539)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coin Package 1 | $0.99 | one-time |
| Remove Advs | $0.99 | one-time |
| Coin Pakage 2 | $1.99 | one-time |
| Coin Package 3 | $2.99 | one-time |
| Coin Package 4 | $3.99 | one-time |
| Coin Package 5 | $4.99 | one-time |
| Coin Package 6 | $9.99 | one-time |


### Station Jam

[App page](https://appshunter.io/ios/app/station-jam/id6505045647)

A strategic puzzle game where you coordinate vehicles and passengers in a busy station. Arrange vehicles by color to match passengers and clear levels with increasing difficulty. Enjoy a relaxing yet challenging experience with beautiful graphics and sound.

**Highlights:** Vehicle and passenger coordination, Color-matching puzzle mechanics, Strategic planning and execution, Variety of challenging levels, Realistic station simulation, Immersive graphics and sound

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 Coin | $1.99 | one-time |
| Weekly Card | $1.99 | one-time |
| Limited Gift Pack 1 | $4.99 | one-time |
| Monthly Card | $6.99 | one-time |
| Gift pack 1 | $9.99 | one-time |
| Gift pack 2 | $19.99 | one-time |
| Permanent Card | $29.99 | one-time |
| Gift pack 3 | $39.99 | one-time |
| Gift pack 4 | $79.99 | one-time |
| Gift pack 5 | $99.99 | one-time |

**What reviewers complain about**

- 広告 Excessive ads
- ⏳ Long ad durations
- 📈 High difficulty
- 🚫 Unsolvable levels
- 💸 Expensive to buy

**Reported bugs**

- App not launching
- Core data loading stuck
- No cars for passengers
- Buggy level progression
- Game freezes

**Requested features**

- Reduce ad frequency
- Make levels less difficult
- Provide clear solutions for levels


## Frequently asked questions

### Is Sudoku Brain Challenge free?

Sudoku Brain Challenge is free to download, with in-app purchases available.

### Is Station Jam free?

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

### Do Sudoku Brain Challenge or Station Jam have ads?

Station Jam shows ads; Sudoku Brain Challenge does not.

### Which is updated more often, Sudoku Brain Challenge or Station Jam?

Sudoku Brain Challenge ships an update every 2 days, and Station Jam weekly. Most recently, Sudoku Brain Challenge was updated on November 4, 2026 and Station Jam on November 4, 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.*