# ai chat by api vs UnTask

The clearest difference is price: UnTask at Free against ai chat by api's $1.99. UnTask also leads on device support (4 vs 2). ai chat by api's advantage is in-app purchases (none vs 1) and iOS requirement (18.1 vs 26.0). On ads there is nothing between them.

UnTask is free to download; ai chat by api costs $1.99 up front. UnTask sells 1 one-off in-app purchase. ai chat by api asks for nothing beyond the download.

## The numbers

| Metric | ai chat by api | UnTask |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai-chat-by-api/id6739469873/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Monetization | Paid | — |
| Size | 3 MB | 32 MB |
| Requires iOS | **18.1** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [INGOAMPT](https://appshunter.io/developer/1704539480) | [AI Garden Ltd](https://appshunter.io/developer/1845207591) |

## What reviewers say

### ai chat by api

[App page](https://appshunter.io/ios/app/ai-chat-by-api/id6739469873)

Access ChatGPT Plus features without a monthly subscription by using your own OpenAI API key. Pay only for API usage directly with OpenAI for a flexible and cost-effective experience. Extract text from files to easily create prompts.

**Highlights:** Use your own OpenAI API key, Pay-as-you-go API usage, Extract text from PDF and TXT files, Seamless ChatGPT interface, Copy and reuse text easily

**Features:** macOS Compatibility

**In-app purchases:** none


### UnTask

[App page](https://appshunter.io/ios/app/untask-one-at-a-time/id6756929483)

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Premium Features | $4.99 | one-time |


## Frequently asked questions

### Is ai chat by api free?

ai chat by api costs $1.99, with no in-app purchases.

### Is UnTask free?

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

### Do ai chat by api or UnTask have ads?

Neither ai chat by api nor UnTask shows ads.

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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.*