# Train Chess vs Astra Haven

The clearest difference is in-app purchases: Train Chess at none against Astra Haven's 6. Train Chess also leads on iOS requirement (15.1 vs 17.6). Astra Haven's advantage is update cadence (daily vs every 4 days). On price, ads and device support there is nothing between them.

Both are free to download. Astra Haven sells 6 one-off in-app purchases. Train Chess asks for nothing beyond the download.

Train Chess ships an update every 4 days, Astra Haven daily. The most recent releases landed on October 2, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Train Chess | Astra Haven |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/train-chess/id6760048227/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Daily** |
| Monetization | Free | — |
| Size | 35 MB | 198 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Camren Todd](https://appshunter.io/developer/1799106960) | [Frau LLC](https://appshunter.io/developer/1877163161) |

## What reviewers say

### Train Chess

[App page](https://appshunter.io/ios/app/train-chess/id6760048227)

Master hundreds of essential positional endgames to elevate your chess skills. Practice against an engine to improve your late-game win rate and conversion. This app focuses on crucial endgame scenarios for strategic improvement.

**Highlights:** Hundreds of positional endgames, Engine practice, Improve win rate, Master endgame conversion, Strategic improvement

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

**In-app purchases:** none


### Astra Haven

[App page](https://appshunter.io/ios/app/astra-haven-colony-command/id6787802384)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flux Cache 400 | $0.99 | one-time |
| Flux Cache 2500 | $4.99 | one-time |
| Premium Pass | $4.99 | one-time |
| Flux Cache 5500 | $9.99 | one-time |
| Premium Bundle | $9.99 | one-time |
| Flux Cache 12000 | $19.99 | one-time |


## Frequently asked questions

### Is Train Chess free?

Train Chess is free to download, with no in-app purchases.

### Is Astra Haven free?

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

### Do Train Chess or Astra Haven have ads?

Neither Train Chess nor Astra Haven shows ads.

### Which is updated more often, Train Chess or Astra Haven?

Train Chess ships an update every 4 days, and Astra Haven daily. Most recently, Train Chess was updated on October 2, 2026 and Astra Haven on October 12, 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.*