# Fast AI vs Presets by Time Engine

The clearest difference is ads: Presets by Time Engine at none against Fast AI's shown. Presets by Time Engine also leads on update cadence (daily vs every 2 weeks). Fast AI's advantage is device support (3 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Fast AI sells 1 in-app purchase, starting at $5.99 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.

Fast AI ships an update every 2 weeks, Presets by Time Engine daily. The most recent releases landed on October 2, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Fast AI | Presets by Time Engine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/fast-ai-chatbot-assistant/id1663617334/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 150 MB | 4 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Advenworks Ltd.](https://appshunter.io/developer/329900469) | [100-8 Studio](https://appshunter.io/developer/1436780503) |

## What reviewers say

### Fast AI

[App page](https://appshunter.io/ios/app/fast-ai-chatbot-assistant/id1663617334)

This AI chatbot offers personalized conversations and instant assistance using advanced natural language processing. Powered by ChatGPT, it can help with daily tasks, answer questions, provide writing assistance, and engage in conversations.

**Highlights:** AI-powered conversations, Instant assistance, Natural language processing, Writing help, Text completion, Powered by ChatGPT

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fast.ai Pro | $5.99 | per 7 days |


### 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 Fast AI free?

Fast AI 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 Fast AI or Presets by Time Engine have ads?

Fast AI shows ads; Presets by Time Engine does not.

### Which is updated more often, Fast AI or Presets by Time Engine?

Fast AI ships an update every 2 weeks, and Presets by Time Engine daily. Most recently, Fast AI was updated on October 2, 2026 and Presets by Time Engine on October 13, 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.*