# Precision Watch vs ShinkansenView

The clearest difference is in-app purchases: ShinkansenView at none against Precision Watch's 2. ShinkansenView also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Precision Watch sells 2 in-app purchases, starting at $2.99 per month. ShinkansenView asks for nothing beyond the download.

Precision Watch ships an update every 3 weeks, ShinkansenView monthly. The most recent releases landed on July 18, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Precision Watch | ShinkansenView |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/precision-watch-accuracy/id6478533884/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 72 MB | 17 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Louis Marion](https://appshunter.io/developer/1733221212) | [YUUSUKE HARASAWA](https://appshunter.io/developer/664328221) |

## What reviewers say

### Precision Watch

[App page](https://appshunter.io/ios/app/precision-watch-accuracy/id6478533884)

This utility app helps you ensure your watch is always accurate. Measure your timepiece's precision in minutes to avoid unnecessary servicing costs. Discover your watch's true measure with this application.

**Highlights:** Measure watch accuracy, Avoid watch servicing costs, Real-time precision check, User-friendly interface

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Subscription | $2.99 | per month |
| Annual Pro subscription | $24.99 | per year |


### ShinkansenView

[App page](https://appshunter.io/ios/app/shinkansenview/id6743909260)

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

**In-app purchases:** none


## Frequently asked questions

### Is Precision Watch free?

Precision Watch is free to download, with in-app purchases available.

### Is ShinkansenView free?

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

### Do Precision Watch or ShinkansenView have ads?

Precision Watch shows ads; ShinkansenView does not.

### Which is updated more often, Precision Watch or ShinkansenView?

Precision Watch ships an update every 3 weeks, and ShinkansenView monthly. Most recently, Precision Watch was updated on July 18, 2026 and ShinkansenView on September 19, 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.*