# Mental Math Puzzles & Practice — Arithmetic Methods for Adults > Adult-focused mental math training app for daily calculation improvement. (iPhone/iPad app by Hyun Sik Kim.) - Source: https://appshunter.io/ios/app/mental-math-puzzles-and-practice/id6773204509 (this page in markdown: same URL + `.md`) - Developer: [Hyun Sik Kim](https://appshunter.io/developer/1871784166) - Category: Education, Health & Fitness - Price: Free with in-app purchases - Rating: 5.00/5 from 2 App Store ratings - Age rating: 4+ - Requires: iOS 17.0 · 5 MB - Languages: American English, European Spanish - Released: 2026-05-30 - Data updated: 2026-08-27 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/mental-math-puzzles-and-practice/id6773204509/reviews.md ## What is Mental Math Puzzles & Practice? Hone Math helps you actually get good at mental math — not with flashcards and gold stars, but by teaching you the method behind every skill, then letting you practice until it clicks. Built for grown-ups who want to feel confident with numbers: splitting a bill, checking a total, working out a discount in your head. Calm, editorial design. No cartoons, no ads. LEARN THE METHOD Every skill starts with the trick — make ten, doubles, multiplying by nine, working out a percentage. See how it works on a clear example, then practice. Miss one and the method comes right back, so you can review it before continuing. MASTER ONE SKILL AT A TIME A clear path from the times tables through addition, subtraction, multiplication tricks, division, percentages, and everyday word problems. Watch each skill move from new to mastered. PLAY YOUR WAY TO NUMBER SENSE Three number puzzles that make practice feel like a game: - Make Ten — clear the board by finding number bonds - Cross-Math — fill a math crossword, from 3x3 up to 10x10 - Construct — build the target number from a tray of tiles Each mode generates fresh puzzles. Hone Pro includes unlimited puzzles. A CALM DAILY HABIT A short Daily Workout keeps your streak alive in about three minutes. Small and consistent beats long and rare. HONE PRO After onboarding, a Hone Pro subscription is required. Choose a monthly or annual plan; eligible new subscribers receive a 3-day free trial with either plan. Hone Pro includes all 66 methods across 9 units, every drill operation—including division, percentages, squares and roots—plus unlimited puzzles and practice, with progress trends over time. WHY HONE - Learn the method, don't just drill - Puzzles that build real number sense - Practice works offline; your practice progress stays on your device - No ads - Hone Pro lets you choose light or dark Learn the method. Practice until it clicks. Works great on iPhone and iPad. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://studioam.art/apps/hone-math/privacy/ ## Key features - Daily 3-minute workouts - Adaptive difficulty - Mental Math Index score - Offline functionality - Quick Play for endless practice - Operation-specific tracking (Pro) ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Hone Pro | $4.99 | one-time | ## Frequently asked questions about Mental Math Puzzles & Practice ### What is Hone Math? Hone Math is a mental math training application designed for adults to improve calculation skills through daily, focused exercises. It offers adaptive difficulty and tracks progress with a unique Mental Math Index. ### How does Hone Math work? The app provides short, daily workouts that adapt to your performance, becoming harder as you improve and easier if you struggle. This ensures you're always training at the optimal level for growth. ### Is Hone Math suitable for children? No, Hone Math is specifically built for adults, offering a calm and mature interface without cartoon characters or gold stars typically found in children's math apps. Its age rating is 4+. ### Can I use Hone Math offline? Yes, Hone Math works offline, and your data stays on your device. This allows you to practice your mental math skills even without an internet connection. ### What is the Mental Math Index? The Mental Math Index is a score from 0-1000 that combines accuracy, difficulty, and speed into a single, honest measure of your mental sharpness. You can watch this score trend over time. ### Does Hone Math have ads? No, Hone Math is ad-free. The app explicitly states 'No ads, ever' in its features list. ### What features are included in Hone Pro? Hone Pro allows you to track your weekly trends, identify strengths and weaknesses by operation (addition, subtraction, multiplication, division), and train every type of operation. ### What devices does Hone Math support? Hone Math works great on iPhone and iPad, supporting both portrait and landscape orientations. It is also compatible with iPod. ## Version history (last 5 releases) ### 1.7.0 — 2026-08-19 A new unit: Test-style problems. Eight new skills teach the patterns aptitude tests love — number series, remainders, last digits of big powers, rates, and age puzzles — each with its own method card, in English and Spanish. ### 1.6.2 — 2026-08-14 Improves purchase and account-change reliability, data recovery, and accessibility. ### 1.6.1 — 2026-08-13 Improves purchase and account-change reliability, data recovery, and accessibility. ### 1.6.0 — 2026-08-11 Hone Math has been rebuilt from the ground up as a native app. It launches faster, scrolls smoother, and now shares the look of the rest of the Studio AM apps. All 57 methods across 8 units are here, with the same practice, puzzles, Smart Set and weak-spot analysis you know. Hone Pro is now a subscription — monthly or yearly, starting with a 3-day free trial. If you bought the lifetime unlock, it still works and always will: nothing to restore, nothing to buy again. Your practice record stays yours. Subscribed or not, you can see your progress, export all of it as a file, or delete it — right from the plans screen. One honest note: because this is a new app underneath, practice history from the previous version does not carry over. Your Hone Pro access does. ### 1.5.0 — 2026-08-06 15 new mental math methods across every Pro unit: give-and-take addition, subtracting by parts, multiplying by 9, 15, 99 and 101, numbers near 100, dividing by 8 and 25, the 1% building block, and working a price back to 100% after a discount. Plus a new everyday scenario: pairing a receipt into easy tens. ## More apps by Hyun Sik Kim - [Vocab Bubbles](https://appshunter.io/ios/app/vocab-bubbles/id6758256351) - [Math Dash Everyone](https://appshunter.io/ios/app/math-dash-everyone/id6758323620) - [Mood, Sleep & Symptom Tracker](https://appshunter.io/ios/app/mood-sleep-and-symptom-tracker/id6759892880) - [Car Maintenance: Garage Story](https://appshunter.io/ios/app/car-maintenance-garage-story/id6759947168) - [Home Repair & Warranty Log](https://appshunter.io/ios/app/home-repair-and-warranty-log/id6780077621) All apps by Hyun Sik Kim: https://appshunter.io/developer/1871784166 --- *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 2026-08-27.*