# ChATs.cool vs Vellum Assistant

ChATs.cool and Vellum Assistant are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | ChATs.cool | Vellum Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (18 ratings)](https://appshunter.io/ios/app/vellum-assistant/id6759934423/reviews)** |
| Number of ratings | — | **18** |
| Positive reviews | — | 72.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Monetization | — | Ad-supported |
| Size | 3 MB | 9 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Lior Sarid](https://appshunter.io/developer/1868908824) | [Vocify Inc.](https://appshunter.io/developer/1881735501) |

## What reviewers say

### ChATs.cool

[App page](https://appshunter.io/ios/app/chatscool/id6757783015)

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

**In-app purchases:** none


### Vellum Assistant

[App page](https://appshunter.io/ios/app/vellum-assistant/id6759934423)

This AI assistant learns your work habits and thought processes to help you stay on top of tasks. It syncs across devices, providing quick summaries of communications and access to past notes. Over time, it becomes an indispensable teammate.

**Highlights:** Learns user work habits, Syncs across Mac, iPhone, and web, Summarizes Slack, email, and meetings, Remembers forgotten tasks and follow-ups, Accesses past notes and thoughts, Improves with continued use

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

**In-app purchases:** none


## Frequently asked questions

### Is ChATs.cool free?

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

### Is Vellum Assistant free?

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

### Do ChATs.cool or Vellum Assistant have ads?

Neither ChATs.cool nor Vellum Assistant 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.*