Ninimaths vs HAYABUSA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ninimaths
Enhance your mental arithmetic skills with a variety of calculation modes. Practice addition, subtraction, multiplication, and division with customizable number ranges and column display. Track your progress with daily scores and compete with others through a ranking system.
- Multiple calculation modes (add, subtract, multiply, divide, mix)
- Customizable number ranges (1-5 digits)
- Column display format
- Daily score recording and graphing
- Game Center ranking
- Time trial mode
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Ninimaths is an application to train mental arithmetic ability. Characteristic: - Selection from 5 modes of calculation, addition, subtraction, multiplication, division, mixing - 1 to 5 digit numbers can be freely combined - Corresponds to display in the column format - Daily scores are recorded for each mode and displayed on the graph - Ranking function by Game Center - Time trial to measure strictly
HAYABUSA
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フリック入力を速くしたい人のための練習アプリ「HAYABUSA」 毎日少しずつ練習するだけで、フリック入力がみるみる速くなります。 STAGE 1-30 基礎：あ行〜わ行の基本入力 濁音：が行・ざ行・だ行・ば行・ぱ行 拗音：きゃ・しゃ・ちゃ・っ（促音） 単語：食べ物・乗り物・場所・感情 フレーズ：あいさつ・SNS・ビジネス敬語 スピード：タイムアタックで限界に挑戦 速さの測り方 本物のフリックキーボードで練習 タイム・正確率・文字数/分をリアルタイム計測 ステージクリア制で達成感がある 完全オフライン動作・サーバー不要 ダークモード対応 制限をなくす プレミアム 370円 買い切り 広告なし 一度購入すれば永久に使える 今日から始めて、フリック入力の達人を目指そう。
Screenshots
Verdict
The clearest difference is ads: Ninimaths at none against HAYABUSA's shown. Ninimaths also leads on iOS requirement (13.0 vs 26.5). HAYABUSA's advantage is update cadence (weekly vs every 2 months). On price, 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. Ninimaths sells 3 one-off in-app purchases and HAYABUSA sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Ninimaths ships an update every 2 months, HAYABUSA weekly. The most recent releases landed on October 16, 2026 and October 11, 2026 respectively.
| Parameter | Ninimaths | HAYABUSA |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (45 ratings) — better | — |
| Positive reviews | 97.4% of reviews | — |
| Number of ratings | 45 — better | — |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 26.5 |
| Further details — not scored | ||
| Size | 11 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Ninicode | Kenichi Kato |
In-app purchases
Ninimaths
- Coffee$0.99
- Hamburger$1.99
- Ramen$4.99
HAYABUSA
- プレミアム$1.99
