# 腕時計投資.com vs WATANI【洗車サブスク／WashPass】

The clearest difference is in-app purchases: WATANI【洗車サブスク／WashPass】 at none against 腕時計投資.com's 1. WATANI【洗車サブスク／WashPass】 also leads on iOS requirement (11.0 vs 15.0). 腕時計投資.com's advantage is ads (none vs shown) and update cadence (every 3 days vs every 4 months). On price and device support there is nothing between them.

Both are free to download. 腕時計投資.com sells 1 in-app purchase, starting at $10.99 per month. WATANI【洗車サブスク／WashPass】 asks for nothing beyond the download.

腕時計投資.com ships an update every 3 days, WATANI【洗車サブスク／WashPass】 every 4 months. The most recent releases landed on June 1, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | 腕時計投資.com | WATANI【洗車サブスク／WashPass】 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 4 months |
| Monetization | Freemium | — |
| Size | 16 MB | 3 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fulfill Logic, Inc.](https://appshunter.io/developer/1513286241) | [WATANI K.K.](https://appshunter.io/developer/1678039817) |

## What reviewers say

### 腕時計投資.com

[App page](https://appshunter.io/ios/app/com/id1577024985)

Track the market trends of over 12,000 watch models with historical price data and sales analysis. Understand demand and growth rates for specific models, and access exclusive articles with a premium membership.

**Highlights:** 12,000+ watch model support, 3-year used watch price trends, Demand and growth rate analysis, Sold price and availability data, Exclusive premium articles

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム会員 | $10.99 | per month |


### WATANI【洗車サブスク／WashPass】

[App page](https://appshunter.io/ios/app/wataniwashpass/id6446476444)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 腕時計投資.com free?

腕時計投資.com is free to download, with in-app purchases available.

### Is WATANI【洗車サブスク／WashPass】 free?

WATANI【洗車サブスク／WashPass】 is free to download, with no in-app purchases.

### Do 腕時計投資.com or WATANI【洗車サブスク／WashPass】 have ads?

WATANI【洗車サブスク／WashPass】 shows ads; 腕時計投資.com does not.

### Which is updated more often, 腕時計投資.com or WATANI【洗車サブスク／WashPass】?

腕時計投資.com ships an update every 3 days, and WATANI【洗車サブスク／WashPass】 every 4 months. Most recently, 腕時計投資.com was updated on June 1, 2026 and WATANI【洗車サブスク／WashPass】 on September 7, 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.*