# Wadokei57 Astronomical clock vs ParkTimer

The clearest difference is review sentiment: Wadokei57 Astronomical clock at 100% against ParkTimer's 84%. Wadokei57 Astronomical clock also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). ParkTimer's advantage is price ($0.99 vs $3.99). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Wadokei57 Astronomical clock costs $3.99 and ParkTimer $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Wadokei57 Astronomical clock ships an update every 5 days, ParkTimer every 8 days. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Wadokei57 Astronomical clock | ParkTimer |
| --- | --- | --- |
| Price | $3.99 | **$0.99** |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/parktimer-parking-assistant/id6755898890/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | **100.0% of reviews** | 84.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 8 days |
| Monetization | Paid | Paid |
| Size | 4 MB | 5 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shinichi Sekiguchi](https://appshunter.io/developer/1509262945) | [蕴涛 李](https://appshunter.io/developer/1855735322) |

## What reviewers say

### Wadokei57 Astronomical clock

[App page](https://appshunter.io/ios/app/wadokei57-astronomical-clock/id6748839654)

This app combines a traditional Japanese clock based on sunrise and sunset with a miniature planetarium. It displays celestial movements, moon phases, and seasonal changes, all optimized for Apple Watch.

**Highlights:** Traditional Japanese time system, Miniature planetarium with star simulation, Moon phase and seasonal displays, Complications for Moon, Sun, Venus, Time navigation via crown rotation, Offline operation

**Features:** Apple Watch app

**In-app purchases:** none


### ParkTimer

[App page](https://appshunter.io/ios/app/parktimer-parking-assistant/id6755898890)

This app helps drivers avoid overpaying for parking and easily locate their vehicles. It features a smart countdown timer with color-coded alerts, customizable billing rules, and the ability to record parking spot details like photos and QR codes. Live Activities and widgets provide at-a-glance tracking without unlocking your device.

**Highlights:** Smart countdown timer with visual alerts, Customizable parking billing rules, Record parking spot photos and QR codes, Live Activities for Dynamic Island, Lock Screen and Home Screen widgets, Privacy-first local data storage

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

**In-app purchases:** none


## Frequently asked questions

### Is Wadokei57 Astronomical clock free?

Wadokei57 Astronomical clock costs $3.99, with no in-app purchases.

### Is ParkTimer free?

ParkTimer costs $0.99, with no in-app purchases.

### Do Wadokei57 Astronomical clock or ParkTimer have ads?

Neither Wadokei57 Astronomical clock nor ParkTimer shows ads.

### Which is updated more often, Wadokei57 Astronomical clock or ParkTimer?

Wadokei57 Astronomical clock ships an update every 5 days, and ParkTimer every 8 days. Most recently, Wadokei57 Astronomical clock was updated on November 5, 2026 and ParkTimer on October 30, 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.*