# JAN8 CS vs アマONE～せどりオールインワンツール～

The clearest difference is in-app purchases: JAN8 CS at none against アマONE～せどりオールインワンツール～'s 1. JAN8 CS also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support 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. JAN8 CS asks for nothing beyond the download.

JAN8 CS ships an update every 6 weeks, アマONE～せどりオールインワンツール～ monthly. The most recent releases landed on October 19, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | JAN8 CS | アマONE～せどりオールインワンツール～ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 92.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 180 MB | 110 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JAN8](https://appshunter.io/developer/1579642116) | [Watermelon Software Solution Japan, Inc.](https://appshunter.io/developer/1263198404) |

## What reviewers say

### JAN8 CS

[App page](https://appshunter.io/ios/app/jan8-cs/id1579642024)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is JAN8 CS free?

JAN8 CS is free to download, with no in-app purchases.

### 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.

### Do JAN8 CS or アマONE～せどりオールインワンツール～ have ads?

Neither JAN8 CS nor アマONE～せどりオールインワンツール～ shows ads.

### Which is updated more often, JAN8 CS or アマONE～せどりオールインワンツール～?

JAN8 CS ships an update every 6 weeks, and アマONE～せどりオールインワンツール～ monthly. Most recently, JAN8 CS was updated on October 19, 2026 and アマONE～せどりオールインワンツール～ on October 14, 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.*