# Cool Ai vs HugCastle

The clearest difference is in-app purchases: HugCastle at none against Cool Ai's 8. HugCastle also leads on update cadence (every 10 days vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Cool Ai sells 8 in-app purchases, starting at $0.29 per month. HugCastle asks for nothing beyond the download.

Cool Ai ships an update every 5 weeks, HugCastle every 10 days. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Cool Ai | HugCastle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (13 ratings)](https://appshunter.io/ios/app/cool-ai/id6479655170/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 38 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Nsonia LLC](https://appshunter.io/developer/1372512540) | [无锡灵犀科技有限公司](https://appshunter.io/developer/1281871574) |

## What reviewers say

### Cool Ai

[App page](https://appshunter.io/ios/app/cool-ai/id6479655170)

Access multiple AI chat and image generation models in one secure application. Compare and switch between top AI providers effortlessly with advanced controls and total privacy. Enjoy flexible subscription options for creatives, researchers, and AI enthusiasts.

**Highlights:** Multi-model AI access, Seamless model switching, Advanced AI controls, Private and secure, Flexible subscription plans, Built-in ad-free search

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trial | $0.29 | per month |
| Basic | $4.99 | per month |
| Standard | $9.99 | per month |
| Premium | $19.99 | per month |
| Boost Credits Trial Pack | $2.99 | one-time |
| Boost Credits Starter Pack | $4.99 | one-time |
| Boost Credits Plus Pack | $9.99 | one-time |
| Boost Credits Premium Pack | $19.99 | one-time |


### HugCastle

[App page](https://appshunter.io/ios/app/hugcastle/id6761088330)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Cool Ai free?

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

### Is HugCastle free?

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

### Do Cool Ai or HugCastle have ads?

Neither Cool Ai nor HugCastle shows ads.

### Which is updated more often, Cool Ai or HugCastle?

Cool Ai ships an update every 5 weeks, and HugCastle every 10 days. Most recently, Cool Ai was updated on October 15, 2026 and HugCastle on October 25, 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.*