# PIAZZA Database vs 西暦・和暦・年齢・干支早見表

The clearest difference is review sentiment: 西暦・和暦・年齢・干支早見表 at 86% against PIAZZA Database's 50%. 西暦・和暦・年齢・干支早見表 also leads on update cadence (every 12 months vs every 32 months) and iOS requirement (12.0 vs 17.6). PIAZZA Database's advantage is ads (none vs shown). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PIAZZA Database ships an update every 32 months, 西暦・和暦・年齢・干支早見表 every 12 months. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | PIAZZA Database | 西暦・和暦・年齢・干支早見表 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (26 ratings)](https://appshunter.io/ios/app/id737344011/reviews)** |
| Number of ratings | — | **26** |
| Positive reviews | 50.0% of reviews | **86.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 32 months | **Every 12 months** |
| Monetization | Free | — |
| Size | 19 MB | 12 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [sabitori works](https://appshunter.io/developer/447072101) | [Shigeyuki Hamamoto](https://appshunter.io/developer/596604565) |

## What reviewers say

### PIAZZA Database

[App page](https://appshunter.io/ios/app/piazza-database/id447072098)

Access essential information about PIAZZA vehicles. This app provides a yearbook, detailed specifications for six models, and a VIN plate decoder. All data is stored locally, requiring no internet connection for use.

**Highlights:** Yearbook (chronological table), Specification of 6 models, VIN plate decoder, Local data storage, Offline functionality

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

**In-app purchases:** none


### 西暦・和暦・年齢・干支早見表

[App page](https://appshunter.io/ios/app/id737344011)

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

**In-app purchases:** none


## Frequently asked questions

### Is PIAZZA Database free?

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

### Is 西暦・和暦・年齢・干支早見表 free?

西暦・和暦・年齢・干支早見表 is free to download, with no in-app purchases.

### Do PIAZZA Database or 西暦・和暦・年齢・干支早見表 have ads?

西暦・和暦・年齢・干支早見表 shows ads; PIAZZA Database does not.

### Which is updated more often, PIAZZA Database or 西暦・和暦・年齢・干支早見表?

PIAZZA Database ships an update every 32 months, and 西暦・和暦・年齢・干支早見表 every 12 months. Most recently, PIAZZA Database was updated on October 1, 2026 and 西暦・和暦・年齢・干支早見表 on October 14, 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.*