# Backgammon (skeptrune) — Matches vs GNU Backgammon

> Matches vs GNU Backgammon (iPhone/iPad app by Nicholas Khami.)

- Source: https://appshunter.io/ios/app/backgammon-skeptrune/id6789263063 (this page in markdown: same URL + `.md`)
- Developer: [Nicholas Khami](https://appshunter.io/developer/6789263065)
- Category: Games, Board
- Price: Free
- Age rating: 4+
- Requires: iOS 16.4 · 32 MB
- Languages: American English
- Released: 2026-10-05
- Data updated: 2026-10-24

## What is Backgammon (skeptrune)?

Play full backgammon matches against GNU Backgammon, the free neural-network engine that serious players use to study the game.

HOW IT PLAYS
- 7-point matches against GNU Backgammon, running at 2-ply strength.
- Tap a highlighted checker to move it. Legal moves are worked out for you, so you can only make legal plays.
- Undo your move step by step before you confirm it.
- With two different dice, choose which die to play first.
- Pip counts for you and your opponent are always shown.
- Full match rules from the engine: doubling cube, Crawford rule, gammons and backgammons.
- Double when it is your turn to roll, and take or pass when the engine doubles you.
- The engine may offer to resign a lost game; accept or play on.
- Built for landscape, on a wood and felt board.

PRIVATE BY DESIGN
- No account and no sign-in.
- No ads, no analytics, no tracking.
- The engine runs on your phone. Your matches are saved only on your device.
- An internet connection is needed to load the engine when the app starts.

GNU Backgammon is free software licensed under the GPL-3.0 (https://www.gnu.org/software/gnubg/). This app runs a WebAssembly build of it from the gnubg-web project by Theodore Hwa.

Questions or feedback: me@skeptrune.com

## Is Backgammon (skeptrune) safe?

Not enough ratings yet to assess Backgammon (skeptrune).

## Is Backgammon (skeptrune) legit?

Backgammon (skeptrune) has limited verification signals. The AppsHunter Legitimacy Score for Backgammon (skeptrune) is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 2 releases)

### 1.0.1 — 2026-10-20

Backgammon now matches the full web app: match analysis that flags every mistake with its equity cost, match history, .mat export, trends, AI explanations of better moves, and optional sign-in to sync your matches. You can delete your account from the menu at any time.

### 1.0 — 2026-10-05

No release notes.

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## More apps by Nicholas Khami

- [skcal](https://appshunter.io/ios/app/skcal/id6789390978)

All apps by Nicholas Khami: https://appshunter.io/developer/6789263065

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-24.*