# Observer AI vs QuickLLM

The clearest difference is in-app purchases: Observer AI at none against QuickLLM's 2. Observer AI also leads on ads (none vs shown) and update cadence (fortnightly vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. QuickLLM sells 2 in-app purchases, starting at $0.99 per year. Observer AI asks for nothing beyond the download.

Observer AI ships an update fortnightly, QuickLLM every 2 months. The most recent releases landed on November 9, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Observer AI | QuickLLM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 29 MB | 83 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Luis Rodrigo Medina](https://appshunter.io/developer/1871533638) | [KAZUHIRO KAKIMOTO](https://appshunter.io/developer/1378277306) |

## What reviewers say

### Observer AI

[App page](https://appshunter.io/ios/app/observer-ai/id6758222050)

**Features:** macOS Compatibility

**In-app purchases:** none


### QuickLLM

[App page](https://appshunter.io/ios/app/quickllm-ai-model-manager/id6795850208)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - Annual | $0.99 | per year |
| Pro - Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is Observer AI free?

Observer AI is free to download, with no in-app purchases.

### Is QuickLLM free?

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

### Do Observer AI or QuickLLM have ads?

QuickLLM shows ads; Observer AI does not.

### Which is updated more often, Observer AI or QuickLLM?

Observer AI ships an update fortnightly, and QuickLLM every 2 months. Most recently, Observer AI was updated on November 9, 2026 and QuickLLM on November 1, 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.*