Problem Solving Kit 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.
Problem Solving Kit
This app helps children with special needs, particularly those with ASD, develop problem-solving skills. It uses interactive games across four scenarios: daily life, school, emergencies, and social interactions, to prepare them for changes and challenges.
- Interactive problem-solving games
- Four key scenarios covered
- User-friendly interface
- Cantonese and Mandarin language support
- Traditional and Simplified Chinese subtitles
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Established in 1963, Heep Hong Society is one of the leading service providers of early intervention and education service for children with special needs in Hong Kong. Our mission is to help children of different abilities reach their full potential in a happy and healthy environment, thereby contributing to a more inclusive society, Heep Hong serves more than 6,000 families each year. Children with Autism Spectrum Disorder (ASD) and related disabilities often get stuck or irritated when facing unforeseeable incidents, sudden change in living environment and daily routines. Problem Solving Kit - Lite version aims at preparing children for possible changes and emergency situations by improving their problem-solving skills through interactive games. This app covers four scenarios including daily life, school, emergency situations and social interaction. Children will be able to learn how to overcome the problems by themselves via 4 stimulated games. 1. Content: Daily life: New family member Emergency situations: encounter a fire School: losing personal belongings (e.g. Octopus, stationery, books, etc) Social interaction: pay a New Year’s visit etc. 2. 2 types of interactive games 3. User-friendly interface 4. Language: Cantonese and Mandarin 5. Subtitle selection: Traditional Chinese and Simplified Chinese Differences between Lite version and Full version Lite Version - 4 topics include 4 different situations - 2 types of games and totally 4 interactive games - Fee: Free Full version - 4 topics include 40 different situations - 10 types of game and totally 40 interactive games - Fee: USD$2.99
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: Problem Solving Kit at Free against K3學中文 (寫字認字)'s $7.99. K3學中文 (寫字認字)'s advantage is update cadence (every 9 months vs every 24 months) and device support (3 vs 1). On ads, in-app purchases and iOS requirement 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
Problem Solving Kit 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.
Problem Solving Kit ships an update every 24 months, K3學中文 (寫字認字) every 9 months. The most recent releases landed on October 10, 2026 and October 27, 2026 respectively.
| Parameter | Problem Solving Kit | K3學中文 (寫字認字) |
|---|---|---|
| Price | Free — better | $7.99 |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 24 months | Every 9 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 9.3 | 9.0 — better |
| Further details — not scored | ||
| Size | 95 MB | 362 MB |
| Age rating | 4+ | 4+ |
| Developer | 協康會 | Yiu Ying Ching |
In-app purchases
Problem Solving Kit
No in-app purchases
K3學中文 (寫字認字)
No in-app purchases








