于良發通訊 vs K3學中文 (寫字認字)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
于良發通訊
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于良發通訊提供一站式即時通訊平台,令家長隨時了解子女在學校的情況。 本校為基督教九龍五旬節會於一九八六年在粉嶺璧峰路創辦的一所政府資助小學,原名為五旬節靳茂生小學。創校翌年分設上下午校。十多年來,培育學童,造福社會,深受家長和學生歡迎與愛戴,成為區內數一數二的大規模小學。一九九八年七月,本校接獲教育局(前教育署)通知,獲選為北區在政府推行小學全日制政策下的受惠學校,五旬節靳茂生小學上下午校分拆為兩所全日制小學;校董會推薦五旬節靳茂生小學上午校在一九九九年九月遷往新校,使用新校舍,並定名五旬節于良發小學。
K3學中文 (寫字認字)
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This learning App is divided into two parts, a learning chapter and a game chapter. There are 24 categories for learning, including face, body, family, color, shape, occupation, food, transportation, animals, nature, fruits, insects, stationery, clothing, places, sports, festivals, environmental protection, etc. Children learn the strokes, writing and pronunciation of related words. The game section tests the children’s ability to recognize words.
Screenshots
Verdict
The clearest difference is price: 于良發通訊 at Free against K3學中文 (寫字認字)'s $7.99. 于良發通訊 also leads on update cadence (every 2 months vs every 9 months). K3學中文 (寫字認字)'s advantage is iOS requirement (9.0 vs 12.0). On 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
于良發通訊 is free to download; K3學中文 (寫字認字) costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.
于良發通訊 ships an update every 2 months, K3學中文 (寫字認字) every 9 months. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.
| Parameter | 于良發通訊 | K3學中文 (寫字認字) |
|---|---|---|
| Price | Free — better | $7.99 |
| Update frequency | Every 2 months — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 58 MB | 362 MB |
| Age rating | 4+ | 4+ |
| Developer | Pentecostal Yu Leung Fat Primary School | Yiu Ying Ching |
In-app purchases
于良發通訊
No in-app purchases
K3學中文 (寫字認字)
No in-app purchases









