# Pipe Trades Pro Calc vs Danos Mobile

The clearest difference is in-app purchases: Danos Mobile at none against Pipe Trades Pro Calc's 6. Pipe Trades Pro Calc's advantage is chart position (#177 vs unranked). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Pipe Trades Pro Calc sells 2 in-app purchases, starting at $4.99 per month. Danos Mobile asks for nothing beyond the download.

Pipe Trades Pro Calc ships an update every 7 months, Danos Mobile every 4 months. The most recent releases landed on October 28, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Pipe Trades Pro Calc | Danos Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4.4K ratings)](https://appshunter.io/ios/app/pipe-trades-pro-calc/id596142100/reviews)** | — |
| Number of ratings | **4.4K** | — |
| Positive reviews | 42.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 months** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#177** | — |
| Size | 51 MB | 32 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Calculated Industries](https://appshunter.io/developer/370406449) | [Primtek LLC](https://appshunter.io/developer/687339633) |

## What reviewers say

### Pipe Trades Pro Calc

[App page](https://appshunter.io/ios/app/pipe-trades-pro-calc/id596142100)

**Currently charting:** #177 Top Grossing · Utilities (US App Store)

This app provides advanced calculation tools and comprehensive data for pipe trade professionals. It streamlines workflows for pipefitters, welders, and steamfitters with features for measurements, fluid dynamics, and material specifications. Designed for efficiency and accuracy, it works offline for on-site use.

**Highlights:** Advanced measurement calculations, Fluid dynamics and pressure analysis, Comprehensive pipe data access, Offline functionality, User-centric interface, Material and dimension options

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Full Access | $4.99 | per month |
| 1 Year Full Access | $39.99 | per year |

**What reviewers like**

- 🔢 Useful calculator tool
- 🧠 Helpful for pipe fitters and welders
- 📱 Convenient to have on mobile device
- 🔍 Accurate calculations

**What reviewers complain about**

- 💰 Subscription model is too expensive
- 🔒 Requires internet connection to verify subscription
- 🔄 Used to be a one-time purchase
- 🤔 Confusing transition from one-time to subscription

**Reported bugs**

- App freezes or stops working after updates
- Calculation errors with fractions
- Issues with reinstalling or transferring purchases

**Requested features**

- Ability to use app without subscription
- Support for larger pipe sizes
- Add a back/undo button
- Rotate screen orientation


### Danos Mobile

[App page](https://appshunter.io/ios/app/danos-mobile/id6458192935)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pipe Trades Pro Calc free?

Pipe Trades Pro Calc is free to download, with in-app purchases available.

### Is Danos Mobile free?

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

### Do Pipe Trades Pro Calc or Danos Mobile have ads?

Neither Pipe Trades Pro Calc nor Danos Mobile shows ads.

### Which is updated more often, Pipe Trades Pro Calc or Danos Mobile?

Pipe Trades Pro Calc ships an update every 7 months, and Danos Mobile every 4 months. Most recently, Pipe Trades Pro Calc was updated on October 28, 2026 and Danos Mobile on October 27, 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.*