# KM行動維修 vs ChatAI Assistant

The clearest difference is in-app purchases: KM行動維修 at none against ChatAI Assistant's 10. KM行動維修 also leads on update cadence (fortnightly vs monthly) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. ChatAI Assistant sells 10 in-app purchases, starting at $7.99 per 7 days. KM行動維修 asks for nothing beyond the download.

KM行動維修 ships an update fortnightly, ChatAI Assistant monthly. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | KM行動維修 | ChatAI Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (266 ratings)](https://appshunter.io/ios/app/chatai-assistant-chat-ai-bot/id6447940803/reviews)** |
| Number of ratings | — | **266** |
| Positive reviews | — | 7.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 29 MB | 99 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SHI-LONG LIAO](https://appshunter.io/developer/1233637221) | [Puti Development](https://appshunter.io/developer/1706319013) |

## What reviewers say

### KM行動維修

[App page](https://appshunter.io/ios/app/km/id1451179356)

**Features:** macOS Compatibility

**In-app purchases:** none


### ChatAI Assistant

[App page](https://appshunter.io/ios/app/chatai-assistant-chat-ai-bot/id6447940803)

This AI-powered assistant helps with a wide range of tasks, from writing and math to trip planning and mental health support. Get instant answers, generate creative ideas, and simplify your daily life with intelligent assistance.

**Highlights:** Instant answers to questions, Writing assistance for various formats, Math problem solving, Language translation and learning support, Trip and budget planning, Educational assistance, Creative idea generation, Mental health support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium week | $7.99 | per 7 days |
| Premium week | $8.99 | per 7 days |
| Premium Week | $8.99 | per 7 days |
| Premium Week | $9.99 | per 7 days |
| Premium week | $12.99 | per 7 days |
| Premium Offer | $14.99 | per month |
| Premium Month | $29.99 | per month |
| Premium Year | $34.99 | per year |
| Premium year | $34.99 | per year |
| Premium Year | $59.99 | per year |


## Frequently asked questions

### Is KM行動維修 free?

KM行動維修 is free to download, with no in-app purchases.

### Is ChatAI Assistant free?

ChatAI Assistant is free to download, with in-app purchases available.

### Do KM行動維修 or ChatAI Assistant have ads?

Neither KM行動維修 nor ChatAI Assistant shows ads.

### Which is updated more often, KM行動維修 or ChatAI Assistant?

KM行動維修 ships an update fortnightly, and ChatAI Assistant monthly. Most recently, KM行動維修 was updated on October 26, 2026 and ChatAI Assistant on October 30, 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.*