# PIAZZA Database vs Co Database

The clearest difference is ads: PIAZZA Database at none against Co Database's shown. Co Database's advantage is update cadence (weekly vs every 32 months) and iOS requirement (10.0 vs 17.6). 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, Co Database weekly. The most recent releases landed on October 23, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | PIAZZA Database | Co Database |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 32 months | **Weekly** |
| Monetization | Free | — |
| Size | 19 MB | 87 MB |
| Requires iOS | 17.6 | **10.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [sabitori works](https://appshunter.io/developer/447072101) | [Ka Ting Sun](https://appshunter.io/developer/984967725) |

## 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


### Co Database

[App page](https://appshunter.io/ios/app/co-database/id1473404972)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PIAZZA Database free?

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

### Is Co Database free?

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

### Do PIAZZA Database or Co Database have ads?

Co Database shows ads; PIAZZA Database does not.

### Which is updated more often, PIAZZA Database or Co Database?

PIAZZA Database ships an update every 32 months, and Co Database weekly. Most recently, PIAZZA Database was updated on October 23, 2026 and Co Database on October 10, 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.*