Tori Math vs デカ文字計算
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tori Math
This app offers a fun and interactive way for toddlers and elementary students to learn math. It uses visual aids, handwriting recognition for number practice, and includes modes for basic arithmetic, multiplication, and multilingual support.
- Visual number play for toddlers
- Handwriting recognition for number writing
- Multiplication tables practice
- Vertical arithmetic workbook
- Multilingual support (English, Korean, Japanese)
- Learning report cards
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Introducing Tori Math, the perfect first math companion for your child! Tori Math is an intuitive and engaging math learning app designed for toddlers learning numbers for the first time, as well as elementary school students practicing basic arithmetic. Move away from rigid rote learning—our app integrates handwriting recognition technology, allowing kids to write answers directly on the screen. [Key Features] 1. Toddler Mode - Visual-focused number play using cute emoji animals and fruits! - Number matching, size comparison (finding larger/smaller values), and intuitive visual addition and subtraction. - A dedicated "Number Writing" mode where children can practice writing numbers with their fingers. 2. Elementary Mode - Master multiplication tables—the foundation of elementary mathematics! Study by section and listen with Text-to-Speech (TTS). - Vertical Arithmetic Workbook: An advanced digital learning environment where students write down mathematical expressions and answers by hand. - Review performance instantly with a beautiful learning report card that can be saved directly to the device. 3. Full Multilingual Support (English / Korean / Japanese) - A dynamic localization system that correctly formats plural endings and particles across languages. - Learn math in English, Korean, or Japanese while listening to high-quality TTS audio guidance. 4. Warm and Cheerful Graphic Design - Soft pastel color palettes and cute characters keep children engaged, encouraging self-directed and independent learning. Start a fun and creative math journey with Tori Math today!
デカ文字計算
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デカ文字計算 (Dekamoji Keisan) is an arithmetic app with big text that anyone can pick up and enjoy. There is no time limit. Go at your own pace, 10 questions at a time. A little exercise for the mind whenever you have a spare moment. ■ Easy to see, easy to tap ・Numbers and buttons are shown large ・Choose from three text sizes ・A landscape layout that makes full use of the screen ■ Never rushed ・No time limits and no countdowns ・When you miss one, the app simply shows you the right answer ・A handwriting memo pad for working things out ■ Choose what to practice ・Addition, subtraction, multiplication, division, decimals and fractions ・"Random" picks the questions for you ・"Review" lets you retry the questions you missed ■ Reasons to keep going ・Your level goes up as you answer correctly ・Earn a gold, silver or bronze medal for each set of 10 questions ・Look back at your records at any time ■ Use it with peace of mind ・Works without an internet connection ・No account or login needed ・No personal information is collected ・Export your records to a file and carry them over to a new device ■ And more ・Turn background music, sound effects and vibration on or off separately ・Available in Japanese and English
Screenshots
Verdict
The clearest difference is update cadence: Tori Math at every 10 days against デカ文字計算's every 4 weeks. デカ文字計算's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Tori Math ships an update every 10 days, デカ文字計算 every 4 weeks. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.
| Parameter | Tori Math | デカ文字計算 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 10 days — better | Every 4 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 38 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | joonseo park | maple project |
In-app purchases
Tori Math
No in-app purchases
デカ文字計算
No in-app purchases





