# ShoppingCalculator byNSDev vs メモからアイデア生成

The clearest difference is in-app purchases: ShoppingCalculator byNSDev at none against メモからアイデア生成's 1. ShoppingCalculator byNSDev also leads on device support (3 vs 1). メモからアイデア生成's advantage is update cadence (monthly vs every 39 months). On price, ads and iOS requirement there is nothing between them.

Both are free to download. メモからアイデア生成 sells 1 in-app purchase, starting at $1.99 per month. ShoppingCalculator byNSDev asks for nothing beyond the download.

ShoppingCalculator byNSDev ships an update every 39 months, メモからアイデア生成 monthly. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | ShoppingCalculator byNSDev | メモからアイデア生成 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 39 months | **Monthly** |
| Size | 4 MB | 10 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [NIHON SYSTEM DEVELOPER CORPORATION](https://appshunter.io/developer/1198103734) | [Haruki Kurosawa](https://appshunter.io/developer/1698036962) |

## What reviewers say

### ShoppingCalculator byNSDev

[App page](https://appshunter.io/ios/app/shoppingcalculator-bynsdev/id1279295619)

**Features:** macOS Compatibility

**In-app purchases:** none


### メモからアイデア生成

[App page](https://appshunter.io/ios/app/ideapot/id6451399059)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Plan | $1.99 | per month |


## Frequently asked questions

### Is ShoppingCalculator byNSDev free?

ShoppingCalculator byNSDev is free to download, with no in-app purchases.

### Is メモからアイデア生成 free?

メモからアイデア生成 is free to download, with in-app purchases available.

### Do ShoppingCalculator byNSDev or メモからアイデア生成 have ads?

Neither ShoppingCalculator byNSDev nor メモからアイデア生成 shows ads.

### Which is updated more often, ShoppingCalculator byNSDev or メモからアイデア生成?

ShoppingCalculator byNSDev ships an update every 39 months, and メモからアイデア生成 monthly. Most recently, ShoppingCalculator byNSDev was updated on October 8, 2026 and メモからアイデア生成 on October 11, 2026.

---

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