# 建築設備簡易計算アプリ vs Flm∴S アイソメmaster

The clearest difference is review sentiment: 建築設備簡易計算アプリ at 33% against Flm∴S アイソメmaster's 0%. Flm∴S アイソメmaster's advantage is update cadence (weekly vs every 2 weeks) and iOS requirement (15.0 vs 18.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 建築設備簡易計算アプリ sells 2 one-off in-app purchases and Flm∴S アイソメmaster sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

建築設備簡易計算アプリ ships an update every 2 weeks, Flm∴S アイソメmaster weekly. Both last shipped on October 25, 2026.

## The numbers

| Metric | 建築設備簡易計算アプリ | Flm∴S アイソメmaster |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | — | Free |
| Size | 9 MB | 40 MB |
| Requires iOS | 18.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [koichi hashimoto](https://appshunter.io/developer/1659408789) | [shinji miyagawa](https://appshunter.io/developer/6791523364) |

## What reviewers say

### 建築設備簡易計算アプリ

[App page](https://appshunter.io/ios/app/id1659408787)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告を非表示にする | $2.99 | one-time |
| プレミアム機能（広告削除含む） | $5.99 | one-time |


### Flm∴S アイソメmaster

[App page](https://appshunter.io/ios/app/flms-master/id6791523361)

This app simplifies the creation of piping isometric drawings (spool drawings) for construction and fabrication sites. It replaces manual drafting and CAD software with a tablet-based tool, allowing users to easily place symbols and automatically calculate dimensions for efficient workflow.

**Highlights:** Piping and fitting symbols, Automatic cut length calculation, Part numbering and material lists, Vector PDF output for site use, Underlay image support, Project saving and sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額サブスクリプション | $3.99 | per month |
| 全機能アンロック（買い切り） | $19.99 | one-time |


## Frequently asked questions

### Is 建築設備簡易計算アプリ free?

建築設備簡易計算アプリ is free to download, with in-app purchases available.

### Is Flm∴S アイソメmaster free?

Flm∴S アイソメmaster is free to download, with in-app purchases available.

### Do 建築設備簡易計算アプリ or Flm∴S アイソメmaster have ads?

Neither 建築設備簡易計算アプリ nor Flm∴S アイソメmaster shows ads.

### Which is updated more often, 建築設備簡易計算アプリ or Flm∴S アイソメmaster?

建築設備簡易計算アプリ ships an update every 2 weeks, and Flm∴S アイソメmaster weekly. Most recently, 建築設備簡易計算アプリ was updated on October 25, 2026 and Flm∴S アイソメmaster on October 25, 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.*