# Tayasui Doodle Book vs Diamond Clock

The clearest difference is price: Tayasui Doodle Book at Free against Diamond Clock's $1.99. Tayasui Doodle Book also leads on update cadence (fortnightly vs every 2 months). Diamond Clock's advantage is in-app purchases (none vs 11) and ads (none vs shown). On device support there is nothing between them.

Tayasui Doodle Book is free to download; Diamond Clock costs $1.99 up front. Tayasui Doodle Book sells 11 in-app purchases, starting at $2.99 per 7 days. Diamond Clock asks for nothing beyond the download.

Tayasui Doodle Book ships an update fortnightly, Diamond Clock every 2 months. The most recent releases landed on October 24, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Tayasui Doodle Book | Diamond Clock |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.5 (123 ratings)](https://appshunter.io/ios/app/tayasui-doodle-book-scribble/id1315732497/reviews)** | — |
| Number of ratings | **123** | — |
| Positive reviews | 46.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 84 MB | 89 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SKETCHES SRL](https://appshunter.io/developer/1789604467) | [Oleg Kyrylenko](https://appshunter.io/developer/1746823780) |

## What reviewers say

### Tayasui Doodle Book

[App page](https://appshunter.io/ios/app/tayasui-doodle-book-scribble/id1315732497)

Unleash your creativity with a digital sketchbook offering a variety of patterns and smart tools. Doodle freely or create intricate masterpieces with an expansive range of artistic possibilities. Enjoy moments of relaxation or intense creative expression.

**Highlights:** Dozens of original patterns, Smart drawing tools, Optional soothing sounds, Freehand drawing, Pattern-based doodling, Creative relaxation

**Features:** Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly premium | $2.99 | per 7 days |
| Weekly premium | $2.99 | per 7 days |
| Monthly premium | $2.99 | per month |
| Monthly premium | $2.99 | per month |
| Weekly premium | $3.99 | per 7 days |
| Weekly premium | $3.99 | per 7 days |
| Yearly premium | $9.99 | per year |
| Yearly premium | $9.99 | per year |
| Yearly premium | $69.99 | per year |
| Yearly premium | $69.99 | per year |
| Doodle Book Pro | $1.99 | one-time |

**What reviewers like**

- 💫 Relaxing doodling experience
- 🎨 Satisfying drawing tools
- 👍 Simple and intuitive interface
- 🎨 Realistic paper and pencil sounds
- 🎨 Variety of background patterns

**What reviewers complain about**

- 🐛 Buggy page navigation
- 💰 Limited free features, requires paid upgrade
- 🖌️ Lack of customization options (pen size, color, etc.)
- 🤔 Confusing tutorial
- 🤔 Unclear access to paid features

**Reported bugs**

- App crashes on launch for some users
- Inability to progress through tutorial
- Drawings not saving properly
- Paid features not unlocking as expected

**Requested features**

- Option to disable finger input when using stylus
- Ability to save and view past drawings
- More background options, including blank pages
- Easier page navigation and management
- Color palette and brush customization


### Diamond Clock

[App page](https://appshunter.io/ios/app/diamond-clock/id6502793279)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tayasui Doodle Book free?

Tayasui Doodle Book is free to download, with in-app purchases available.

### Is Diamond Clock free?

Diamond Clock costs $1.99, with no in-app purchases.

### Do Tayasui Doodle Book or Diamond Clock have ads?

Tayasui Doodle Book shows ads; Diamond Clock does not.

### Which is updated more often, Tayasui Doodle Book or Diamond Clock?

Tayasui Doodle Book ships an update fortnightly, and Diamond Clock every 2 months. Most recently, Tayasui Doodle Book was updated on October 24, 2026 and Diamond Clock on October 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*