What Tablif read on Ninefold's site
Ninefold describes itself as: “Ninefold — 25,000 puzzles. No ceiling.”
- Stage: Live, no waitlist
- How it differs: “Every board is checked for a single solution before it ships, so you are never left guessing.”
What it is
Calls itself “Sudoku”.
- Calls itself: Sudoku
“Ad-free Sudoku with 25,000 puzzles”
Where it puts itself
Its one line of difference: “Every board is checked for a single solution before it ships, so you are never left guessing.”
“Every board is checked for a single solution before it ships, so you are never left guessing.”
“…ads none”
Who it sells to
Sells to consumers. Available in 2 languages.
- Sells to: consumers
- Languages: EN · 中文
“Ad-free Sudoku with 25,000 puzzles, five difficulty tracks, daily challenges, and an endless Hell mode.”
“EN 中文”
How it runs
A mobile app for Android, HarmonyOS and iOS. Runs locally and works offline. Distributed through the App Store and Play Store.
- Kind: mobile
- Runs on: Android · HarmonyOS · iOS
- Runs where: on the device, offline
- Distributed via: App Store · Play Store
“Download for iOS Download for Android Download for HarmonyOS”
“…runs on iOS · Android · HarmonyOS”
What it works with
Names Android, Arvia and 4 more on its pages.
- Names: Android · Arvia · Gentleflow Studio · +3
“Android”
“Arvia”
What it offers as proof
Live, no waitlist. Claims “25,000 puzzles”. Instant signup.
- Number claimed: 25,000 puzzles
- Instant signup: yes
“Download for iOS Download for Android Download for HarmonyOS”
“25,000 puzzles”
Sources
Tablif read these pages, last on 9 Oct 2026. Everything above is what the product says about itself; Tablif does not verify every claim.
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