# 在庫管理 Stocks vs Caffeine Tracker

The clearest difference is ads: 在庫管理 Stocks at none against Caffeine Tracker's shown. 在庫管理 Stocks also leads on iOS requirement (13.0 vs 26.1). Caffeine Tracker's advantage is update cadence (every 9 days vs monthly). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 在庫管理 Stocks sells 10 in-app purchases, starting at $2.99 per month and Caffeine Tracker sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

在庫管理 Stocks ships an update monthly, Caffeine Tracker every 9 days. Both last shipped on August 24, 2026.

## The numbers

| Metric | 在庫管理 Stocks | Caffeine Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 37 MB | 26 MB |
| Requires iOS | **13.0** | 26.1 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Takuya Takahashi](https://appshunter.io/developer/1837085463) | [KeiK LLC](https://appshunter.io/developer/1854674572) |

## What reviewers say

### 在庫管理 Stocks

[App page](https://appshunter.io/ios/app/stocks/id6757678292)

Manage household inventory and shopping lists with family members in real-time. Avoid forgotten purchases and overstocking by sharing stock levels and receiving alerts. Supports multiple locations and offers product templates for easy setup.

**Highlights:** Real-time family inventory sharing, Stock alerts for low items, Multi-location inventory management, Product templates for quick setup, Integrated shopping list, Web order integration, Barcode scanning for item search

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Family 月額 | $2.99 | per month |
| Standard 月額 | $5.99 | per month |
| Pro (2拠点) 月額 | $19.99 | per month |
| Family 年額 | $29.99 | per year |
| Standard 年額 | $59.99 | per year |
| Pro (5拠点) 月額 | $59.99 | per month |
| Pro (9拠点) 月額 | $99.99 | per month |
| Pro (2拠点) 年額 | $199.99 | per year |
| Pro (5拠点) 年額 | $599.99 | per year |
| Pro (9拠点) 年額 | $999.99 | per year |


### Caffeine Tracker

[App page](https://appshunter.io/ios/app/caffeine-tracker-coffee-log/id6760610207)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is 在庫管理 Stocks free?

在庫管理 Stocks is free to download, with in-app purchases available.

### Is Caffeine Tracker free?

Caffeine Tracker is free to download, with in-app purchases available.

### Do 在庫管理 Stocks or Caffeine Tracker have ads?

Caffeine Tracker shows ads; 在庫管理 Stocks does not.

### Which is updated more often, 在庫管理 Stocks or Caffeine Tracker?

在庫管理 Stocks ships an update monthly, and Caffeine Tracker every 9 days. Most recently, 在庫管理 Stocks was updated on August 24, 2026 and Caffeine Tracker on August 24, 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.*