Ninimaths vs 暗記ブースト 声＋耳で記憶する学習アプリ
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
暗記ブースト 声＋耳で記憶する学習アプリ
This app aids memorization by playing back your voice in real-time through wired headphones. It combines speaking and listening to enhance memory retention and can also be used for speech and pronunciation practice. A built-in timer helps manage study time and improve focus.
- Real-time voice playback for memorization
- Combines auditory and vocal learning
- Speech and pronunciation practice
- Integrated focus timer
- Requires wired headphones
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暗記ブーストは、自分の発した声をイヤフォンやヘッドフォンからリアルタイムに聴くことで効率よく記憶するための暗記補助アプリです。 ※本アプリの使用には有線のイヤフォンまたはヘッドフォンが必要です（AirPodsなどBluetoothイヤフォンは音声の遅延が発生するため非対応です） 声に出すアウトプット＋聴覚からのインプットを組み合わせることで、脳への負担の少ない効率の良い記憶の定着を狙っています。 他にはスピーチの練習や英語の発音練習など、暗記以外の用途にもお使いいただけます。 集中タイマーを搭載 しています。学習時間を設定することで、時間管理や集中力アップに活用できます。
Screenshots
Verdict
The clearest difference is in-app purchases: 暗記ブースト 声＋耳で記憶する学習アプリ at none against Ninimaths's 3. 暗記ブースト 声＋耳で記憶する学習アプリ also leads on update cadence (every 3 days vs every 2 months). Ninimaths's advantage is ads (none vs shown) and iOS requirement (13.0 vs 16.0). On price, review sentiment 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. 暗記ブースト 声＋耳で記憶する学習アプリ asks for nothing beyond the download.
Ninimaths ships an update every 2 months, 暗記ブースト 声＋耳で記憶する学習アプリ every 3 days. The most recent releases landed on October 20, 2026 and October 11, 2026 respectively.
| Parameter | Ninimaths | 暗記ブースト 声＋耳で記憶する学習アプリ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (45 ratings) — better | — |
| Positive reviews | 97.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 45 — better | — |
| Update frequency | Every 2 months | Every 3 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 11 MB | 17 MB |
| Age rating | 4+ | 12+ |
| Developer | Ninicode | 有限会社イーフォルダ |
Customer experience
Ninimaths
暗記ブースト 声＋耳で記憶する学習アプリ
In-app purchases
Ninimaths
- Coffee$0.99
- Hamburger$1.99
- Ramen$4.99
暗記ブースト 声＋耳で記憶する学習アプリ
No in-app purchases
Questions
Is Ninimaths free?
Is 暗記ブースト 声＋耳で記憶する学習アプリ free?
Do Ninimaths or 暗記ブースト 声＋耳で記憶する学習アプリ have ads?
Which is updated more often, Ninimaths or 暗記ブースト 声＋耳で記憶する学習アプリ?
Other comparisons
