RemNum 〜 数字を暗記するだけのアプリ vs Mahjong Memo
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
RemNum 〜 数字を暗記するだけのアプリ
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This is an app that only memorizes numbers. This app displays numbers one character at a time in order, so all you have to do is memorize and enter them. Use it for memory training.
Mahjong Memo
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The definitive riichi mahjong session tracker. A simple UI lets anyone record and aggregate session results with no account. Works for regular member groups and free-form (parlour) sessions alike. Reuse rulesets and start recording immediately without detailed setup. Score table (han / fu), chips, sit-out, sharing, and more — useful features are added regularly. Free to use for core features. Terms of Use: https://isudayona.github.io/PublicNote/mahjong-score/terms-of-service.html
Screenshots
Verdict
The clearest difference is in-app purchases: RemNum 〜 数字を暗記するだけのアプリ at none against Mahjong Memo's 2. RemNum 〜 数字を暗記するだけのアプリ also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.1). Mahjong Memo's advantage is update cadence (every 8 days vs every 3 weeks). On price 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. Mahjong Memo sells 2 in-app purchases, starting at $1.99 per month. RemNum 〜 数字を暗記するだけのアプリ asks for nothing beyond the download.
RemNum 〜 数字を暗記するだけのアプリ ships an update every 3 weeks, Mahjong Memo every 8 days. The most recent releases landed on October 21, 2026 and October 6, 2026 respectively.
| Parameter | RemNum 〜 数字を暗記するだけのアプリ | Mahjong Memo |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 8 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 48 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | yoshitomo ishii | kohei suzuki |
In-app purchases
RemNum 〜 数字を暗記するだけのアプリ
No in-app purchases
Mahjong Memo
- Premium Monthly$1.991 Month
- Premium Yearly$19.991 Year
Questions
Is RemNum 〜 数字を暗記するだけのアプリ free?
Is Mahjong Memo free?
Do RemNum 〜 数字を暗記するだけのアプリ or Mahjong Memo have ads?
Which is updated more often, RemNum 〜 数字を暗記するだけのアプリ or Mahjong Memo?
Other comparisons
