Ninefold
25,000 Sudoku puzzles — replayable dailies, five tracks, and endless Hell mode.
Freemium - Free to download; no ads. Likely offers in-app purchases or paid upgrades (store listings linked).
About Ninefold
Ninefold is a mobile Sudoku app offering 25,000 hand-checked puzzles (5,000 per difficulty track). Features five difficulty tracks, a replayable daily puzzle browsable by date, and a Hell mode that continues past Expert. Every board is verified to have a single solution so you never guess. No ads; available on iOS, Android and HarmonyOS with full store listings and screenshots.
Key Features
- 25,000 puzzles (5,000 per difficulty track)
- Five difficulty tracks plus perpetual Hell mode
- Replayable daily puzzle browsable by date
- Every board validated to have a single solution
- No ads (clean gameplay experience)
Who is this for?
Sudoku and puzzle enthusiasts on mobile who want a large, validated puzzle collection, replayable daily challenges, and escalating difficulty.
Comments (0)
No comments yet
Be the first to share your thoughts!
Sign in to join the conversation
Sign InStats
Pricing
FreemiumFree to download; no ads. Likely offers in-app purchases or paid upgrades (store listings linked).
Platforms
Tags
Related Products
contioreach
AI-powered CMS that writes, scores, and autopublishes SEO- and AI-citable blog posts
ProgSEO
Automate SEO at scale with AI-generated pages and insights.
Handler - Vibe Marketing Agent
AI vibe-marketing agent that finds, scores, and rebuilds winning TikToks for app makers.
Tomorro - AI-Powered Contract Management Software
Tomorro reinvents contract management with an AI-powered CLM platform.
Discover the Best AI Tools List & Database | AITrustList
Explore a curated directory of AI tools, AI agents, and startups with "Trusted Traffic" signals.