# AI Chat小助手 vs Presets by Time Engine

The clearest difference is update cadence: Presets by Time Engine at daily against AI Chat小助手's every 5 weeks. AI Chat小助手's advantage is iOS requirement (11.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AI Chat小助手 sells 4 in-app purchases, starting at $4.99 per 7 days and Presets by Time Engine sells 1 in-app purchase, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

AI Chat小助手 ships an update every 5 weeks, Presets by Time Engine daily. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | AI Chat小助手 | Presets by Time Engine |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Daily** |
| Size | 21 MB | 4 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [广志 李](https://appshunter.io/developer/1689223989) | [100-8 Studio](https://appshunter.io/developer/1436780503) |

## What reviewers say

### AI Chat小助手

[App page](https://appshunter.io/ios/app/ai-chat-chatbot/id6451243460)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 高级会员周订阅 | $4.99 | per 7 days |
| 高级会员月订阅 | $9.99 | per month |
| 高级会员季订阅 | $14.99 | per 3 months |
| 高级会员年订阅 | $29.99 | per year |


### Presets by Time Engine

[App page](https://appshunter.io/ios/app/presets-by-time-engine/id6471368225)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Presets Pro | $6.99 | per month |


## Frequently asked questions

### Is AI Chat小助手 free?

AI Chat小助手 is free to download, with in-app purchases available.

### Is Presets by Time Engine free?

Presets by Time Engine is free to download, with in-app purchases available.

### Do AI Chat小助手 or Presets by Time Engine have ads?

Neither AI Chat小助手 nor Presets by Time Engine shows ads.

### Which is updated more often, AI Chat小助手 or Presets by Time Engine?

AI Chat小助手 ships an update every 5 weeks, and Presets by Time Engine daily. Most recently, AI Chat小助手 was updated on September 17, 2026 and Presets by Time Engine on September 10, 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.*