JongKey vs 麻雀計分器 (mjcal)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JongKey
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JongKey is a custom keyboard app that makes it easy to input mahjong tiles. Perfect for recording mahjong games, "What to discard?" discussions, and sharing on social media - making mahjong communication more enjoyable and convenient! 【Key Features】 • Easy input for all 34 types of mahjong tiles and tile backs • Supports two output formats: Unicode emoji and MPS notation • Quick input with intuitive tap operations • Supports Japanese, English, and Chinese (Simplified & Traditional) 【How to Use】 1. Add "JongKey" to keyboards in Settings app 2. Switch keyboards by tapping the globe icon in messaging apps 3. Tap mahjong tiles to input 【Output Formats】 • Unicode: Mahjong tile characters (displayed as emoji) • MPS notation: E S W N, 1m 2m 3m etc. (displayed as text) ※Full Access not required. Your input is not transmitted externally.
麻雀計分器 (mjcal)
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打廣東牌計番計到鬧交?「mjcal 麻雀計分」即刻搞掂,由家規嘈到番數,全部一鋪解決。 功能: - 簡單到爆 - 自訂銃制、籌碼、半辣 — 屋企點打都得,唔使再嗌交。 - 番數一按計清 — 自摸、出銃、食胡、流局、包,易計到呀媽都唔認得。 - 多場過數齊備 — 開幾日麻雀枱都記得清清楚楚,唔使靠記性。 打牌靠手氣,計分嘛,就交俾 mjcal — 食大胡都唔使再話「我計唔到啦」。 麻將,廣東牌,廣東麻雀,港式麻雀,香港麻雀,番數,計番,計分機,計算機,自摸,出銃,食胡,食糊,mahjong,scorekeeper,scoring,hk,tally
Screenshots
Verdict
The clearest difference is ads: 麻雀計分器 (mjcal) at none against JongKey's shown. 麻雀計分器 (mjcal) also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.6). On price, update cadence and in-app purchases 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.
Both ship on a similar rhythm, roughly daily. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.
| Parameter | JongKey | 麻雀計分器 (mjcal) |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily | Daily |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 6 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | Yuki Takeda | Fishball Ltd |
In-app purchases
JongKey
No in-app purchases
麻雀計分器 (mjcal)
No in-app purchases








