# カラライズ・白黒写真カラー化(Colorize) vs 印章制作

The clearest difference is rating: 印章制作 at 5.0 against カラライズ・白黒写真カラー化(Colorize)'s 1.0. 印章制作 also leads on ads (none vs shown) and device support (3 vs 1). カラライズ・白黒写真カラー化(Colorize)'s advantage is update cadence (every 5 days vs monthly). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. カラライズ・白黒写真カラー化(Colorize) sells 1 one-off in-app purchase and 印章制作 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

印章制作 holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

カラライズ・白黒写真カラー化(Colorize) ships an update every 5 days, 印章制作 monthly. The most recent releases landed on October 13, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | カラライズ・白黒写真カラー化(Colorize) | 印章制作 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/colorize/id6449988339/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6763576571/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 141 MB | 71 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tomohiro Ohwada](https://appshunter.io/developer/991660409) | [惟 陈](https://appshunter.io/developer/1584601883) |

## What reviewers say

### カラライズ・白黒写真カラー化(Colorize)

[App page](https://appshunter.io/ios/app/colorize/id6449988339)

Transform black and white photos into color and enhance image quality. This app processes images offline, ensuring your data remains private. While processing may take some time, it eliminates the need for server uploads.

**Highlights:** Colorize black and white photos, Enhance image resolution, Offline processing, Private data handling, High-quality results

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 開発応援 | $1.99 | one-time |


### 印章制作

[App page](https://appshunter.io/ios/app/id6763576571)

Instantly create high-definition digital seals for official documents, contracts, and PDF signatures. This tool simplifies the process of generating professional-looking seals with customizable fonts and layouts for various office needs.

**Highlights:** One-click seal generation, High-definition export, Electronic signature integration, Customizable styles and fonts, Supports PDF and image files

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 终身会员 | $14.99 | one-time |


## Frequently asked questions

### Is カラライズ・白黒写真カラー化(Colorize) free?

カラライズ・白黒写真カラー化(Colorize) is free to download, with in-app purchases available.

### Is 印章制作 free?

印章制作 is free to download, with in-app purchases available.

### Which has better reviews, カラライズ・白黒写真カラー化(Colorize) or 印章制作?

印章制作 is rated higher. カラライズ・白黒写真カラー化(Colorize) averages 1.0 out of 5 from 1 ratings, while 印章制作 averages 5.0 from 1 ratings.

### Do カラライズ・白黒写真カラー化(Colorize) or 印章制作 have ads?

カラライズ・白黒写真カラー化(Colorize) shows ads; 印章制作 does not.

### Which is updated more often, カラライズ・白黒写真カラー化(Colorize) or 印章制作?

カラライズ・白黒写真カラー化(Colorize) ships an update every 5 days, and 印章制作 monthly. Most recently, カラライズ・白黒写真カラー化(Colorize) was updated on October 13, 2026 and 印章制作 on October 25, 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.*