# 一按通 vs Problem Solving Kit

The clearest difference is update cadence: 一按通 at every 11 months against Problem Solving Kit's every 24 months. 一按通 also leads on device support (3 vs 1). Problem Solving Kit's advantage is iOS requirement (9.3 vs 11.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for 一按通 against 5.0 for Problem Solving Kit. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

一按通 ships an update every 11 months, Problem Solving Kit every 24 months. The most recent releases landed on October 5, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | 一按通 | Problem Solving Kit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/id732804554/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/problem-solving-kit-lite/id827420475/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 24 months |
| Monetization | — | Free |
| Size | 618 MB | 95 MB |
| Requires iOS | 11.0 | **9.3** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [SAHK](https://appshunter.io/developer/732804557) | [協康會](https://appshunter.io/developer/580776082) |

## What reviewers say

### 一按通

[App page](https://appshunter.io/ios/app/id732804554)

**Features:** macOS Compatibility

**In-app purchases:** none


### Problem Solving Kit

[App page](https://appshunter.io/ios/app/problem-solving-kit-lite/id827420475)

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.

**Highlights:** Interactive problem-solving games, Four key scenarios covered, User-friendly interface, Cantonese and Mandarin language support, Traditional and Simplified Chinese subtitles

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 一按通 free?

一按通 is free to download, with no in-app purchases.

### Is Problem Solving Kit free?

Problem Solving Kit is free to download, with no in-app purchases.

### Which has better reviews, 一按通 or Problem Solving Kit?

一按通 and Problem Solving Kit are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do 一按通 or Problem Solving Kit have ads?

Neither 一按通 nor Problem Solving Kit shows ads.

### Which is updated more often, 一按通 or Problem Solving Kit?

一按通 ships an update every 11 months, and Problem Solving Kit every 24 months. Most recently, 一按通 was updated on October 5, 2026 and Problem Solving Kit on September 26, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*