# Seal Designer vs 印鑑画像作成ツール byNSDev

The clearest difference is review sentiment: Seal Designer at 93% against 印鑑画像作成ツール byNSDev's 0%. Seal Designer also leads on iOS requirement (14.0 vs 17). 印鑑画像作成ツール byNSDev's advantage is in-app purchases (none vs 6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Seal Designer sells 6 in-app purchases, starting at $2.99 per month. 印鑑画像作成ツール byNSDev asks for nothing beyond the download.

Seal Designer ships an update every 2 weeks, 印鑑画像作成ツール byNSDev fortnightly. The most recent releases landed on October 25, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Seal Designer | 印鑑画像作成ツール byNSDev |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/seal-designer/id6705132082/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **92.9% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 498 MB | 6 MB |
| Requires iOS | **14.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Chengdu Art-bit Technology Co., Ltd.](https://appshunter.io/developer/1576046300) | [NIHON SYSTEM DEVELOPER CORPORATION](https://appshunter.io/developer/1198103734) |

## What reviewers say

### Seal Designer

[App page](https://appshunter.io/ios/app/seal-designer/id6705132082)

Design custom Chinese seals with a vast library of characters and artist seals. This app offers a convenient way for enthusiasts to create and collect unique seal designs.

**Highlights:** Extensive seal script character library, 50,000 famous artist seals, Over 100,000 famous seal characters, In-app purchases for extended use, Design and collect seal characters

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员 | $2.99 | per month |
| 季会员 | $8.99 | per 3 months |
| 年会员 | $34.99 | per year |
| 保存5次 | $2.99 | one-time |
| 保存20次 | $3.99 | one-time |
| 终身会员 | $59.99 | one-time |


### 印鑑画像作成ツール byNSDev

[App page](https://appshunter.io/ios/app/bynsdev/id6748853247)

Easily create custom seal images by inputting text. Adjust various aspects like shape, borders, and colors to generate unique designs. Supports system and custom fonts for personalized seals.

**Highlights:** Create round, oval, square, and rectangular seals, Adjustable border thickness, Mirror text option, Customizable text and background colors, Support for system and custom fonts (TTF, OTF), Adjustable character spacing

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

**In-app purchases:** none


## Frequently asked questions

### Is Seal Designer free?

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

### Is 印鑑画像作成ツール byNSDev free?

印鑑画像作成ツール byNSDev is free to download, with no in-app purchases.

### Do Seal Designer or 印鑑画像作成ツール byNSDev have ads?

Neither Seal Designer nor 印鑑画像作成ツール byNSDev shows ads.

### Which is updated more often, Seal Designer or 印鑑画像作成ツール byNSDev?

Seal Designer ships an update every 2 weeks, and 印鑑画像作成ツール byNSDev fortnightly. Most recently, Seal Designer was updated on October 25, 2026 and 印鑑画像作成ツール byNSDev on October 4, 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.*