# Coloring Book for Amazon KDP vs CertSafe360

The clearest difference is ads: CertSafe360 at none against Coloring Book for Amazon KDP's shown. CertSafe360 also leads on update cadence (every 2 weeks vs every 2 months) and iOS requirement (15.0 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Coloring Book for Amazon KDP sells 3 in-app purchases, starting at $6.99 per 7 days and CertSafe360 sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Coloring Book for Amazon KDP ships an update every 2 months, CertSafe360 every 2 weeks. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Coloring Book for Amazon KDP | CertSafe360 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (81 ratings)](https://appshunter.io/ios/app/coloring-book-for-amazon-kdp/id6736860429/reviews)** | — |
| Number of ratings | **81** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 31 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tzong Sheng Seet](https://appshunter.io/developer/1717569851) | [4CertiNSolutions Limited](https://appshunter.io/developer/1712378532) |

## What reviewers say

### Coloring Book for Amazon KDP

[App page](https://appshunter.io/ios/app/coloring-book-for-amazon-kdp/id6736860429)

Easily create custom coloring books for Amazon KDP using AI-generated artwork. Design unique pages with various styles, create professional covers, and export print-ready PDFs. Turn your creative ideas into a sellable product.

**Highlights:** AI-generated custom artwork, Multiple art style options, Batch page creation, Integrated cover designer, User-friendly layout tools, KDP-ready PDF export, Prompt suggestions for inspiration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.99 | per 7 days |
| Monthly | $29.99 | per month |
| Yearly | $99.99 | per year |


### CertSafe360

[App page](https://appshunter.io/ios/app/certsafe360/id6737784851)

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $3.99 | per month |
| Yearly Premium | $34.99 | per year |


## Frequently asked questions

### Is Coloring Book for Amazon KDP free?

Coloring Book for Amazon KDP is free to download, with in-app purchases available.

### Is CertSafe360 free?

CertSafe360 is free to download, with in-app purchases available.

### Do Coloring Book for Amazon KDP or CertSafe360 have ads?

Coloring Book for Amazon KDP shows ads; CertSafe360 does not.

### Which is updated more often, Coloring Book for Amazon KDP or CertSafe360?

Coloring Book for Amazon KDP ships an update every 2 months, and CertSafe360 every 2 weeks. Most recently, Coloring Book for Amazon KDP was updated on October 30, 2026 and CertSafe360 on October 27, 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.*