# Fomcal vs 建築構造データブック

The clearest difference is price: 建築構造データブック at Free against Fomcal's $1.99. 建築構造データブック also leads on in-app purchases (none vs 1). Fomcal's advantage is update cadence (every 3 months vs every 8 months) and device support (3 vs 1). On ads there is nothing between them.

建築構造データブック is free to download; Fomcal costs $1.99 up front. Fomcal sells 1 one-off in-app purchase. 建築構造データブック asks for nothing beyond the download.

Fomcal ships an update every 3 months, 建築構造データブック every 8 months. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Fomcal | 建築構造データブック |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 8 months |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 0 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [NOBORU IMAI](https://appshunter.io/developer/896071356) | [株式会社ストラクチャー](https://appshunter.io/developer/1097429252) |

## What reviewers say

### Fomcal

[App page](https://appshunter.io/ios/app/fomcal/id954145664)

This app allows you to create and save custom calculation formulas for daily use. It supports complex functions, logical operations, and parameter studies, with options to export results as CSV. An optional numeric pad enhances input efficiency.

**Highlights:** Save and reuse custom formulas, Support for logical and comparison functions, Parameter study for variable analysis, Export results as CSV, Optional enhanced numeric pad, Extended syntax for branching and iteration

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Enhancements | $1.99 | one-time |


### 建築構造データブック

[App page](https://appshunter.io/ios/app/id1097429253)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fomcal free?

Fomcal costs $1.99, and also offers in-app purchases.

### Is 建築構造データブック free?

建築構造データブック is free to download, with no in-app purchases.

### Do Fomcal or 建築構造データブック have ads?

Neither Fomcal nor 建築構造データブック shows ads.

### Which is updated more often, Fomcal or 建築構造データブック?

Fomcal ships an update every 3 months, and 建築構造データブック every 8 months. Most recently, Fomcal was updated on October 13, 2026 and 建築構造データブック on October 2, 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.*