# ai chat by api vs Playground For LM

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

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

## The numbers

| Metric | ai chat by api | Playground For LM |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/playground-for-lm/id6773125667/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Monetization | — | Freemium |
| Size | 3 MB | 61 MB |
| Requires iOS | **18.1** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [INGOAMPT](https://appshunter.io/developer/1704539480) | [泽铖 王](https://appshunter.io/developer/6773021020) |

## What reviewers say

### ai chat by api

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Playground For LM

[App page](https://appshunter.io/ios/app/playground-for-lm/id6773125667)

Run AI models and transcribe audio locally on your Apple device. Manage your model library and process data privately without cloud reliance. Offers a free trial with limited usage.

**Highlights:** Local AI chat with supported language models, Offline audio transcription with Whisper.cpp, Manage your own local model library, Clean rendering for AI-generated formats, System diagnostics for runtime information, Privacy-focused local processing

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Playground For LM Pro | $5.99 | one-time |


## Frequently asked questions

### Is ai chat by api free?

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

### Is Playground For LM free?

Playground For LM is free to download, with in-app purchases available.

### Do ai chat by api or Playground For LM have ads?

Neither ai chat by api nor Playground For LM 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.*