# MyStock 家の在庫管理 vs echor｜Idea Notes, Book Quotes

The clearest difference is update cadence: MyStock 家の在庫管理 at every 3 days against echor｜Idea Notes, Book Quotes's weekly. MyStock 家の在庫管理 also leads on iOS requirement (9.0 vs 15.1). 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.

MyStock 家の在庫管理 ships an update every 3 days, echor｜Idea Notes, Book Quotes weekly. The most recent releases landed on September 18, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | MyStock 家の在庫管理 | echor｜Idea Notes, Book Quotes |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | Free | — |
| Size | 44 MB | 24 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Naoki Nakamichi](https://appshunter.io/developer/1534276177) | [dannpen](https://appshunter.io/developer/1896768853) |

## What reviewers say

### MyStock 家の在庫管理

[App page](https://appshunter.io/ios/app/mystock/id1601005295)

Easily manage household items with a simple interface. Track inventory by location and update quantities with just two actions: add items and count remaining stock. Stop relying on memory for your home's inventory.

**Highlights:** Manage items by location, Simple two-step operation, Add new items, Count remaining stock, Eliminate mental inventory tracking

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

**In-app purchases:** none


### echor｜Idea Notes, Book Quotes

[App page](https://appshunter.io/ios/app/echoridea-notes-book-quotes/id6771013945)

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

**In-app purchases:** none


## Frequently asked questions

### Is MyStock 家の在庫管理 free?

MyStock 家の在庫管理 is free to download, with no in-app purchases.

### Is echor｜Idea Notes, Book Quotes free?

echor｜Idea Notes, Book Quotes is free to download, with no in-app purchases.

### Do MyStock 家の在庫管理 or echor｜Idea Notes, Book Quotes have ads?

Neither MyStock 家の在庫管理 nor echor｜Idea Notes, Book Quotes shows ads.

### Which is updated more often, MyStock 家の在庫管理 or echor｜Idea Notes, Book Quotes?

MyStock 家の在庫管理 ships an update every 3 days, and echor｜Idea Notes, Book Quotes weekly. Most recently, MyStock 家の在庫管理 was updated on September 18, 2026 and echor｜Idea Notes, Book Quotes on September 25, 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.*