# One Digit Field vs Starchess

The clearest difference is in-app purchases: Starchess at none against One Digit Field's 19. Starchess also leads on ads (none vs shown) and device support (4 vs 2). One Digit Field's advantage is update cadence (every 10 days vs every 4 months). On price there is nothing between them.

Both are free to download. One Digit Field sells 19 one-off in-app purchases. Starchess asks for nothing beyond the download.

One Digit Field ships an update every 10 days, Starchess every 4 months. The most recent releases landed on October 20, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | One Digit Field | Starchess |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/starchess/id6446507272/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 4 months |
| Monetization | — | Free |
| Size | 87 MB | 60 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Tomoyoshi Natsui](https://appshunter.io/developer/597383982) | [Nathan Lane](https://appshunter.io/developer/1422920165) |

## What reviewers say

### One Digit Field

[App page](https://appshunter.io/ios/app/one-digit-field/id1535955953)

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

**In-app purchases (19)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stages (Hard 00101-00200) | $0.99 | one-time |
| Stages (Very Hard 00101-00200) | $0.99 | one-time |
| Stages (Expert 00101-00200) | $0.99 | one-time |
| Stages (Beginner 00201-00300) | $0.99 | one-time |
| Stages (Very Easy 00201-00300) | $0.99 | one-time |
| Stages (Easy 00201-00300) | $0.99 | one-time |
| Stages (Normal 00201-00300) | $0.99 | one-time |
| Stages (Very Hard 00201-00300) | $0.99 | one-time |
| Stages (Hard 00201-00300) | $0.99 | one-time |
| Stages (Expert 00201-00300) | $0.99 | one-time |
| Stages (Level1:00301-00400) | $0.99 | one-time |
| Stages (Level2:00301-00400) | $0.99 | one-time |
| Stages (Level3:00301-00400) | $0.99 | one-time |
| Stages (Level4:00301-00400) | $0.99 | one-time |
| Stages (Level5:00301-00400) | $0.99 | one-time |
| Stages (Level6:00301-00400) | $0.99 | one-time |
| Stages (Level7:00301-00400) | $0.99 | one-time |
| Refill 5 Hearts | $0.99 | one-time |
| No Ads & Unlimited Hearts | $4.99 | one-time |


### Starchess

[App page](https://appshunter.io/ios/app/starchess/id6446507272)

Experience chess with a unique twist on a three-dimensional board. Pieces gain new movement capabilities, allowing for strategic plays in up, down, and diagonal directions. Enjoy a fresh challenge to your chess skills.

**Highlights:** Three-dimensional chess board, Traditional chess rules, Expanded piece movement (up, down, diagonal), Unique strategic gameplay

**In-app purchases:** none


## Frequently asked questions

### Is One Digit Field free?

One Digit Field is free to download, with in-app purchases available.

### Is Starchess free?

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

### Do One Digit Field or Starchess have ads?

One Digit Field shows ads; Starchess does not.

### Which is updated more often, One Digit Field or Starchess?

One Digit Field ships an update every 10 days, and Starchess every 4 months. Most recently, One Digit Field was updated on October 20, 2026 and Starchess on October 13, 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.*