# アマONE～せどりオールインワンツール～ vs Addness

The clearest difference is review sentiment: アマONE～せどりオールインワンツール～ at 92% against Addness's 50%. Addness's advantage is in-app purchases (none vs 1) and update cadence (every 2 days vs monthly). On price, ads, device support and iOS requirement 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. Addness asks for nothing beyond the download.

アマONE～せどりオールインワンツール～ ships an update monthly, Addness every 2 days. The most recent releases landed on October 18, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | アマONE～せどりオールインワンツール～ | Addness |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **92.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 110 MB | 50 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Watermelon Software Solution Japan, Inc.](https://appshunter.io/developer/1263198404) | [アドネス株式会社](https://appshunter.io/developer/1644845477) |

## 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 |


### Addness

[App page](https://appshunter.io/ios/app/addness/id6762726711)

This AI-powered application helps individuals and organizations achieve their goals through voice commands. It supports users in setting objectives and executing tasks, aiming to enable them to have "the best day ever" daily.

**Highlights:** Voice-activated task completion, AI-powered goal setting, Daily productivity support, Objective execution assistance, Personalized daily achievement

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

**In-app purchases:** none


## 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 Addness free?

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

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

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

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

アマONE～せどりオールインワンツール～ ships an update monthly, and Addness every 2 days. 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 Addness on October 8, 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.*