What Tablif read on Drystone's site
Drystone describes itself as: “Drystone — a Suguru puzzle that never runs out DRYSTONE”
- Price model: One-time · free tier
- Free tier: Free forever
- Stage: Live, no waitlist
- How it differs: “Graded by the hardest technique a solve actually forces, not by counting the given numbers.”
What it is
Calls itself “Suguru number puzzle”.
- Calls itself: Suguru number puzzle
“A Suguru number puzzle for iPhone.”
Where it puts itself
Rules out “account”, “ads” and “subscription”.
- Says it will not: account · ads · subscription
“Graded by the hardest technique a solve actually forces, not by counting the given numbers. It is why other apps hand you an "expert" that plays like a warm-up.”
“No ads or account.”
What it costs
One-time purchase. A free tier, free forever. No monthly or yearly plan. Prices quoted: £2.99.
- One-time: yes
- Monthly: no
- Yearly: no
- Free plan: free forever
- Price: £2.99
“One £2.99 unlock.”
“No subscription”
Who it sells to
Sells to consumers.
- Sells to: consumers
“Free daily puzzle. One £2.99 unlock. No ads or account.”
How it runs
A mobile app for iOS. Runs locally and works offline. Distributed through the App Store.
- Kind: mobile
- Runs on: iOS
- Runs where: on the device, offline
- Distributed via: App Store
“A Suguru number puzzle for iPhone.”
“…iOS 26.0 or later”
What it works with
Names App Store, Apple Account and 2 more on its pages.
- Names: App Store · Apple Account · Nonbreakingspace Ltd · +1
“App Store -> https://www.producthunt.com/r/QZW42G7MY3HLNU?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+Tablif+%28ID%3A+291874%29”
“Apple Account”
What it offers as proof
Live, no waitlist. Try it without signing up.
- Trial asks for: nothing
“No ads or account.”
“Free daily puzzle. One £2.99 unlock. No ads or account.”
Sources
Tablif read these pages, last on 1 Oct 2026. Everything above is what the product says about itself; Tablif does not verify every claim.
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