# THE 13th Digit vs astro craft

The clearest difference is in-app purchases: astro craft at none against THE 13th Digit's 1. astro craft also leads on update cadence (daily vs every 3 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. THE 13th Digit sells 1 one-off in-app purchase. astro craft asks for nothing beyond the download.

THE 13th Digit ships an update every 3 days, astro craft daily. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | THE 13th Digit | astro craft |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | **Daily** |
| Size | 190 MB | 65 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [UESHO K.K.](https://appshunter.io/developer/6776764835) | [Infigate.Co.Ltd](https://appshunter.io/developer/1526155171) |

## What reviewers say

### THE 13th Digit

[App page](https://appshunter.io/ios/app/the-13th-digit/id6787610293)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2周目〈NG+〉解放 | $1.99 | one-time |


### astro craft

[App page](https://appshunter.io/ios/app/astro-craft/id6799688762)

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

**In-app purchases:** none


## Frequently asked questions

### Is THE 13th Digit free?

THE 13th Digit is free to download, with in-app purchases available.

### Is astro craft free?

astro craft is free to download, with no in-app purchases.

### Do THE 13th Digit or astro craft have ads?

Neither THE 13th Digit nor astro craft shows ads.

### Which is updated more often, THE 13th Digit or astro craft?

THE 13th Digit ships an update every 3 days, and astro craft daily. Most recently, THE 13th Digit was updated on November 5, 2026 and astro craft 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.*