# PVVS vs Flm∴S アイソメmaster

The clearest difference is ads: Flm∴S アイソメmaster at none against PVVS's shown. Flm∴S アイソメmaster also leads on update cadence (every 2 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

PVVS ships an update every 2 months, Flm∴S アイソメmaster every 2 days. The most recent releases landed on September 8, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | PVVS | Flm∴S アイソメmaster |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | — | Free |
| Size | 7 MB | 39 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [sigeyosi kanenishi](https://appshunter.io/developer/629958778) | [shinji miyagawa](https://appshunter.io/developer/6791523364) |

## What reviewers say

### PVVS

[App page](https://appshunter.io/ios/app/pvvs/id1476646663)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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:** none


## Frequently asked questions

### Is PVVS free?

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

### Is Flm∴S アイソメmaster free?

Flm∴S アイソメmaster is free to download, with no in-app purchases.

### Do PVVS or Flm∴S アイソメmaster have ads?

PVVS shows ads; Flm∴S アイソメmaster does not.

### Which is updated more often, PVVS or Flm∴S アイソメmaster?

PVVS ships an update every 2 months, and Flm∴S アイソメmaster every 2 days. Most recently, PVVS was updated on September 8, 2026 and Flm∴S アイソメmaster on September 22, 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.*