# Sketch vs Cool Penguin Clock

The clearest difference is ads: Sketch at none against Cool Penguin Clock's shown. Sketch also leads on iOS requirement (7.0 vs 12.0). Cool Penguin Clock's advantage is update cadence (every 3 weeks vs every 2 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Sketch sells 2 one-off in-app purchases and Cool Penguin Clock sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Sketch ships an update every 2 months, Cool Penguin Clock every 3 weeks. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Sketch | Cool Penguin Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (24 ratings)](https://appshunter.io/ios/app/sketch/id467931206/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 18.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 27 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Orgajja Co Ltd](https://appshunter.io/developer/368955015) | [Mihoko Araki](https://appshunter.io/developer/1476136915) |

## What reviewers say

### Sketch

[App page](https://appshunter.io/ios/app/sketch/id467931206)

This application allows users to create sketches. It provides a variety of sample options to aid in the sketching process. Get started with your creative ideas today.

**Highlights:** Create sketches, Wide range of samples, Note-taking functionality

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| small point | $0.99 | one-time |
| big point | $2.99 | one-time |

**What reviewers like**

- 💡 Simple and efficient sketching
- 👍 Good for quick ideas and sketches
- 👍 Decent for basic drawing needs

**What reviewers complain about**

- 🐛 Difficult to navigate and use
- 🐛 Frequent crashes and bugs
- 🔍 Limited functionality and tools
- 💸 Ads even after paid upgrade
- 🔍 Unintuitive user interface

**Reported bugs**

- Saved drawings get corrupted or deleted
- App crashes when trying to save drawings
- Sketches get overlaid with random marks and lines

**Requested features**

- Add an eraser tool
- Improve color selection and customization
- Implement undo/redo functionality
- Allow resizing of the canvas
- Add the ability to import and sketch over photos


### Cool Penguin Clock

[App page](https://appshunter.io/ios/app/cool-penguin-clock/id6453357439)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Penguin Clock with no ads | $1.99 | one-time |


## Frequently asked questions

### Is Sketch free?

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

### Is Cool Penguin Clock free?

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

### Do Sketch or Cool Penguin Clock have ads?

Cool Penguin Clock shows ads; Sketch does not.

### Which is updated more often, Sketch or Cool Penguin Clock?

Sketch ships an update every 2 months, and Cool Penguin Clock every 3 weeks. Most recently, Sketch was updated on November 1, 2026 and Cool Penguin Clock on November 7, 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.*