# AI Canvas Guide vs 印鑑画像作成ツール byNSDev

The clearest difference is update cadence: AI Canvas Guide at daily against 印鑑画像作成ツール byNSDev's fortnightly. AI Canvas Guide also leads on iOS requirement (13.0 vs 17). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AI Canvas Guide ships an update daily, 印鑑画像作成ツール byNSDev fortnightly. The most recent releases landed on October 17, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | AI Canvas Guide | 印鑑画像作成ツール byNSDev |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Fortnightly |
| Monetization | — | Free |
| Size | 63 MB | 6 MB |
| Requires iOS | **13.0** | 17 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [GoodiesMap ltd.](https://appshunter.io/developer/1645831610) | [NIHON SYSTEM DEVELOPER CORPORATION](https://appshunter.io/developer/1198103734) |

## What reviewers say

### AI Canvas Guide

[App page](https://appshunter.io/ios/app/ai-canvas-guide/id6463623778)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 AI Canvas Guide free?

AI Canvas Guide is free to download, with no in-app purchases.

### 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 AI Canvas Guide or 印鑑画像作成ツール byNSDev have ads?

Neither AI Canvas Guide nor 印鑑画像作成ツール byNSDev shows ads.

### Which is updated more often, AI Canvas Guide or 印鑑画像作成ツール byNSDev?

AI Canvas Guide ships an update daily, and 印鑑画像作成ツール byNSDev fortnightly. Most recently, AI Canvas Guide was updated on October 17, 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.*