# Store Watcher vs IA ONE

The clearest difference is price: IA ONE at Free against Store Watcher's $0.49. IA ONE also leads on ads (none vs shown) and update cadence (every 2 days vs fortnightly). Store Watcher's advantage is in-app purchases (none vs 2) and chart position (#3 vs #12). On rating, ratings volume, device support and iOS requirement there is nothing between them.

IA ONE is free to download; Store Watcher costs $0.49 up front. IA ONE sells 2 in-app purchases, starting at $4.99 per month. Store Watcher asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 1.0 for Store Watcher against 1.0 for IA ONE. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Store Watcher ships an update fortnightly, IA ONE every 2 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Store Watcher | IA ONE |
| --- | --- | --- |
| Price | $0.49 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/store-watcher/id1227633347/reviews) | [1.0 (1 ratings)](https://appshunter.io/ios/app/ia-one/id6804374217/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Paid | — |
| Best chart rank | **#3** | #12 |
| Size | 8 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [株式会社Cavemen.jp](https://appshunter.io/developer/1227633346) | [Ulan Hada Corporation](https://appshunter.io/developer/1894587408) |

## What reviewers say

### Store Watcher

[App page](https://appshunter.io/ios/app/store-watcher/id1227633347)

**Currently charting:** #3 Top Paid · Shopping (US App Store)

This app monitors Apple Store pickup and Google Store online stock for specific product configurations. It checks availability periodically and notifies users when items are in stock. Users must complete purchases on the official store websites.

**Highlights:** Monitor Apple Store pickup, Monitor Google Store online stock, Choose color, capacity, and configuration, Receive stock alerts, HTTPS product page integration

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

**In-app purchases:** none


### IA ONE

[App page](https://appshunter.io/ios/app/ia-one/id6804374217)

**Currently charting:** #12 Top Grossing · Shopping (US App Store)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly | $4.99 | per month |
| Plus Monthly | $9.99 | per month |


## Frequently asked questions

### Is Store Watcher free?

Store Watcher costs $0.49, with no in-app purchases.

### Is IA ONE free?

IA ONE is free to download, with in-app purchases available.

### Which has better reviews, Store Watcher or IA ONE?

Store Watcher and IA ONE are both rated 1.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Store Watcher or IA ONE have ads?

Store Watcher shows ads; IA ONE does not.

### Which is updated more often, Store Watcher or IA ONE?

Store Watcher ships an update fortnightly, and IA ONE every 2 days. Most recently, Store Watcher was updated on October 25, 2026 and IA ONE on October 25, 2026.

### Which is more popular, Store Watcher or IA ONE?

Store Watcher currently peaks at #3 in the App Store charts, and IA ONE at #12. Chart position reflects recent download velocity rather than total install base.

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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.*