# MyPlumberApp vs FlowLine Isometric

The clearest difference is iOS requirement: MyPlumberApp at 15.6 against FlowLine Isometric's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

MyPlumberApp ships an update monthly, FlowLine Isometric every 6 weeks. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | MyPlumberApp | FlowLine Isometric |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (11 ratings)](https://appshunter.io/ios/app/flowline-isometric/id6762237039/reviews)** |
| Number of ratings | — | **11** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | — | Free |
| Size | 80 MB | 23 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Infoarm Corporation](https://appshunter.io/developer/668388875) | [Joshua Parkin](https://appshunter.io/developer/1495725832) |

## What reviewers say

### MyPlumberApp

[App page](https://appshunter.io/ios/app/myplumberapp/id6738598688)

**Features:** macOS Compatibility

**In-app purchases:** none


### FlowLine Isometric

[App page](https://appshunter.io/ios/app/flowline-isometric/id6762237039)

A professional tool for creating isometric piping diagrams. It allows pipefitters, plumbers, engineers, and contractors to quickly sketch and document pipe runs with a snap grid for precise isometric projection.

**Highlights:** Isometric projection drawing, Snap grid for precise lines, Quick sketching and documentation, On-site or office use, Focus on layout

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

**In-app purchases:** none


## Frequently asked questions

### Is MyPlumberApp free?

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

### Is FlowLine Isometric free?

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

### Do MyPlumberApp or FlowLine Isometric have ads?

Neither MyPlumberApp nor FlowLine Isometric shows ads.

### Which is updated more often, MyPlumberApp or FlowLine Isometric?

MyPlumberApp ships an update monthly, and FlowLine Isometric every 6 weeks. Most recently, MyPlumberApp was updated on October 27, 2026 and FlowLine Isometric on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*