# アマONE～せどりオールインワンツール～ vs 利益計算機

The clearest difference is update cadence: アマONE～せどりオールインワンツール～ at monthly against 利益計算機's every 10 months. 利益計算機's advantage is review sentiment (100% vs 92%). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. アマONE～せどりオールインワンツール～ sells 1 in-app purchase, starting at $58.99 per month and 利益計算機 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

アマONE～せどりオールインワンツール～ ships an update monthly, 利益計算機 every 10 months. The most recent releases landed on October 18, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | アマONE～せどりオールインワンツール～ | 利益計算機 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 92.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 10 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 110 MB | 3 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Watermelon Software Solution Japan, Inc.](https://appshunter.io/developer/1263198404) | [Kanae Kobune](https://appshunter.io/developer/1841667337) |

## What reviewers say

### アマONE～せどりオールインワンツール～

[App page](https://appshunter.io/ios/app/one/id1579675728)

This tool helps sellers quickly compare product prices across Amazon, Rakuten, and Yahoo Shopping by scanning barcodes or searching keywords. It offers detailed profit calculations, alerts for valuable items, and integrates with web versions for product management.

**Highlights:** Barcode scanning for price comparison, Cross-platform price checks (Amazon, Rakuten, Yahoo), Automatic profit and fee calculation, Real-time price and ranking data, Alerts for high-value products, Web version integration for product management

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dominator継続課金 | $58.99 | per month |


### 利益計算機

[App page](https://appshunter.io/ios/app/id6756545458)

This app simplifies profit calculations for online sellers by automatically computing fees and shipping costs. It supports major shipping carriers and allows for customizable shipping rates, offering a straightforward interface for accurate financial tracking.

**Highlights:** Automatic fee calculation (10%), Supports major shipping carriers (Yamato, Japan Post), Customizable shipping rates by region, Unlimited custom shipping item additions, Simple and intuitive user interface, Dark mode support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム版 | $1.99 | one-time |


## Frequently asked questions

### Is アマONE～せどりオールインワンツール～ free?

アマONE～せどりオールインワンツール～ is free to download, with in-app purchases available.

### Is 利益計算機 free?

利益計算機 is free to download, with in-app purchases available.

### Do アマONE～せどりオールインワンツール～ or 利益計算機 have ads?

Neither アマONE～せどりオールインワンツール～ nor 利益計算機 shows ads.

### Which is updated more often, アマONE～せどりオールインワンツール～ or 利益計算機?

アマONE～せどりオールインワンツール～ ships an update monthly, and 利益計算機 every 10 months. Most recently, アマONE～せどりオールインワンツール～ was updated on October 18, 2026 and 利益計算機 on October 30, 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.*