# Swatches Reader vs KnowBot

The clearest difference is price: KnowBot at Free against Swatches Reader's $5.99. KnowBot also leads on update cadence (every 4 days vs monthly) and iOS requirement (12.0 vs 17.0). Swatches Reader's advantage is in-app purchases (none vs 3). On ads and device support there is nothing between them.

KnowBot is free to download; Swatches Reader costs $5.99 up front. KnowBot sells 3 in-app purchases, starting at $1.99 per month. Swatches Reader asks for nothing beyond the download.

Swatches Reader ships an update monthly, KnowBot every 4 days. The most recent releases landed on June 10, 2026 and August 29, 2026 respectively.

## The numbers

| Metric | Swatches Reader | KnowBot |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Paid | — |
| Size | 2 MB | 36 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad, Mac | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Viktor Goltvyanytsya](https://appshunter.io/developer/556365139) | [钤 朱](https://appshunter.io/developer/1577772267) |

## What reviewers say

### Swatches Reader

[App page](https://appshunter.io/ios/app/swatches-reader/id1547452965)

Manage GIMP color palettes with this tool. Select colors, copy them as UIColor or hex strings, and grab colors from anywhere on your screen. It also extracts main colors from images and includes thumbnail and QuickLook extensions.

**Highlights:** GIMP color palette management, System color picker integration, Copy colors as UIColor, hex, or RGB, Grab color from any screen location, Auto extract main colors from images, Thumbnail and QuickLook extensions

**In-app purchases:** none


### KnowBot

[App page](https://appshunter.io/ios/app/knowbot-ai-chat-robot-client/id6448847594)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP for one month | $1.99 | per month |
| VIP for six months | $9.99 | per 6 months |
| VIP for one year | $14.99 | per year |


## Frequently asked questions

### Is Swatches Reader free?

Swatches Reader costs $5.99, with no in-app purchases.

### Is KnowBot free?

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

### Do Swatches Reader or KnowBot have ads?

Neither Swatches Reader nor KnowBot shows ads.

### Which is updated more often, Swatches Reader or KnowBot?

Swatches Reader ships an update monthly, and KnowBot every 4 days. Most recently, Swatches Reader was updated on June 10, 2026 and KnowBot on August 29, 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.*