# Number Puzzle Worksheet Maker — Printable Logic Grid Sheets > Printable Logic Grid Sheets (iPhone/iPad app by Fumihiro Kawasaki.) - Source: https://appshunter.io/ios/app/number-puzzle-worksheet-maker/id6757625863 (this page in markdown: same URL + `.md`) - Developer: [Fumihiro Kawasaki](https://appshunter.io/developer/1246668885) - Category: Education, Productivity - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 18.2 · 8 MB - Languages: American English, Japanese - Released: 2026-01-12 - Data updated: 2026-07-30 - User reviews in markdown: https://appshunter.io/ios/app/number-puzzle-worksheet-maker/id6757625863/reviews.md ## What is Number Puzzle Worksheet Maker? Number Puzzle Worksheet Maker is an educational and customizable tool designed for creating printable number grid puzzle worksheets, suitable for students, parents, and educators. With support for multiple grid sizes including 4×4, 6×6, and 9×9 puzzles, this app allows you to set difficulty levels, choose the number of puzzles, and generate high-quality practice sheets. Generated worksheets can be previewed, exported as PDF files, printed, or shared with others, making this app ideal for home study, classroom preparation, tutoring, and learning reinforcement. The intuitive interface makes it easy to create logic grid puzzles regardless of skill level. PDF layouts are optimized for A4 portrait orientation, and header fields such as date, school name, and class name can be automatically included. Puzzles can include answer keys, helping learners review and track progress. Whether you are preparing practice materials for children or generating worksheets for educational settings, this app offers flexible options to fit your needs. The free version provides access to basic worksheet creation features. Upgrading to the Pro version removes ads, enables unlimited history of created worksheets, and allows generation of answer sheets and other advanced functionality. This app is your comprehensive solution for creating, exporting, printing, and sharing logic puzzle and number grid learning worksheets. Terms of Service: https://lineocean.com/numberpuzzleworksheetmaker Privacy Policy: https://lineocean.com/numberpuzzleworksheetmaker ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Pro | $2.99 | per month | | Pro | $24.99 | per year | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | 全機能を解放（買い切り） | $7.99 | one-time | ## Version history (last 5 releases) ### 1.0.8 — 2026-07-30 We've added Study Reminders. ・Get a gentle nudge to create a worksheet at the day and time you choose — great for building a weekly study routine. ・Seasonal reminders for moments like the start of a new term or long holidays are now supported. ・Turn reminders on or off anytime (off by default). At most one notification per week — we'll never overdo it. You'll find it under Settings → "Notifications" → "Study Reminders." We've also made small usability improvements and bug fixes. Thank you for using the app! ### 1.0.7 — 2026-07-18 A brand-new look. ■ New design Redesigned around a warm "paper and ink" palette that's easy on the eyes. Numbers on the grid are clearer, and picking a difficulty is easier to scan. ■ Meet our dolphin mascot A friendly dolphin now cheers you on as you create puzzles. The app icon has been redesigned to match. ■ Easier to get started A short guided tour now appears the first time you open the app. Just pick a difficulty and print your first puzzle right away. ■ Clearer labels Tabs and buttons have been renamed so you can tell at a glance what they do. We're always working to make the app better. We'd love to hear your feedback. ### 1.0.6 — 2026-07-13 Pro is now a one-time purchase. - We've replaced the monthly/annual subscription with a one-time "buy once" unlock — pay once and use it forever, with no recurring fees or auto-renewal. - Try it free: your first 3 prints are on us. Unlock once to remove ads and enjoy unlimited printing and all features. - If you previously bought the monthly or annual plan, you keep full access as before. - Plus minor improvements and bug fixes. Thank you for using our app. ### 1.0.5 — 2026-07-10 We've redesigned the "Lineup" tab. • Our companion apps are now shown natively inside the app — it opens instantly, works offline, and feels much lighter. • Say hello to "Otona no Zenkoku Moshi," a daily 10-question nationwide test that shows your deviation score and national ranking. A little challenge for grown-ups, right alongside your kids' study time. • Plus minor improvements and bug fixes. Thank you for using our app. ### 1.0.4 — 2026-05-20 Major redesign. New tab navigation Switch between features instantly using the new bottom tab bar. Create, History, Lineup, Settings, and more. UI improvements Removed the bottom banner ad for a wider, cleaner creation screen. Full print history is now visible. Cleaner upgrade path to Pro. How it works Free: Watch one short video ad to export a Pro-quality PDF (up to 5 times per day). Pro: Unlimited ad-free printing with all features unlocked. We'd love to hear your feedback. ## More apps by Fumihiro Kawasaki - [Lock Photos with Face ID](https://appshunter.io/ios/app/lock-photos-with-face-id/id6741157762) - [SpeedMath Trainer](https://appshunter.io/ios/app/speedmath-trainer/id6741766444) - [MASK BREAKER](https://appshunter.io/ios/app/mask-breaker/id6744633821) - [Poker Blind Timer- NextBlind](https://appshunter.io/ios/app/poker-blind-timer-nextblind/id6746351359) - [Poker Tracker: VPIP Stats](https://appshunter.io/ios/app/poker-tracker-vpip-stats/id6756774810) - [DailyTrack Grid](https://appshunter.io/ios/app/dailytrack-grid/id6756873226) All apps by Fumihiro Kawasaki: https://appshunter.io/developer/1246668885 --- *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 2026-07-30.*