# Piping Abacus vs Piping Engineering Toolbox

The clearest difference is price: Piping Engineering Toolbox at Free against Piping Abacus's $9.99. Piping Abacus's advantage is review sentiment (92% vs 50%) and in-app purchases (none vs 4). On rating, ratings volume, ads and device support there is nothing between them.

Piping Engineering Toolbox is free to download; Piping Abacus costs $9.99 up front. Piping Engineering Toolbox sells 4 in-app purchases, starting at $1.99 per 7 days. Piping Abacus asks for nothing beyond the download.

Piping Abacus holds the better App Store score, 3.9 against 3.7. Both are backed by a comparable volume of ratings — 9 and 9 respectively. Written reviews point the same way: 92% of Piping Abacus's written reviews are positive against 50% of Piping Engineering Toolbox's.

Piping Abacus ships an update every 4 weeks, Piping Engineering Toolbox every 3 months. The most recent releases landed on September 24, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | Piping Abacus | Piping Engineering Toolbox |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[3.9 (9 ratings)](https://appshunter.io/ios/app/piping-abacus/id421739105/reviews)** | [3.7 (9 ratings)](https://appshunter.io/ios/app/piping-engineering-toolbox/id6654914337/reviews) |
| Number of ratings | 9 | 9 |
| Positive reviews | **92.3% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 3 months |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#167** | — |
| Size | 5 MB | 61 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jean-Paul Lanaux](https://appshunter.io/developer/306486995) | [Shital Gorasiya](https://appshunter.io/developer/1737199158) |

## What reviewers say

### Piping Abacus

[App page](https://appshunter.io/ios/app/piping-abacus/id421739105)

**Currently charting:** #167 Top Paid · Utilities (US App Store)

This app serves as a comprehensive mobile reference for piping information, acting as a digital "Blue Book" for pipe fitters and related professionals. It includes a built-in calculator for on-the-fly computations and offers multiple interfaces for accessing detailed data, quick references, and browsing pipe schedules.

**Highlights:** Comprehensive piping reference database, Integrated calculator for on-the-fly computations, Catalog, Chart, and Wheels interfaces, Detailed fitting and valve information, Support for various units (Imperial/Metric, Decimal/Fraction), Educational information on fitting types and standards

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

**In-app purchases:** none

**What reviewers like**

- 👍 Wealth of information
- 🚀 Quick access to data
- 👍 Eliminates need for books/charts
- 👍 Useful calculator
- 👍 Easy to use

**What reviewers complain about**

- 👎 Lacks some information
- 👎 Some data not in database
- 👎 Some items in free apps also
- 👎 Calculator store/recall not working
- 👎 Clear button clears everything

**Reported bugs**

- Calculator store and recall functions not working
- Clear button clears everything instead of last input
- Notes display truncated data ('...')
- Background grid lines too visible after update
- Calculator can be glitchy

**Requested features**

- Remove background grid lines
- Update app to remove background grid lines
- Add rolling offset chart
- Add saddle layout
- Add U-BOLT DIMENSIONS


### Piping Engineering Toolbox

[App page](https://appshunter.io/ios/app/piping-engineering-toolbox/id6654914337)

This app provides piping engineers with essential tools, dimensions, and standards for design and analysis. It includes calculators, checklists, software shortcuts, and educational resources to streamline work and enhance knowledge.

**Highlights:** Pipe wall thickness calculator, Branch reinforcement calculator, Piping checklists, Fitting dimensions, Software shortcuts (AutoCAD, MicroStation), Piping standards references (ASME, ASTM), Industry blog and quizzes

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $1.99 | per 7 days |
| Monthly Premium | $3.99 | per month |
| Yearly Premium | $7.99 | per year |
| Lifetime Premium | $12.99 | one-time |


## Frequently asked questions

### Is Piping Abacus free?

Piping Abacus costs $9.99, with no in-app purchases.

### Is Piping Engineering Toolbox free?

Piping Engineering Toolbox is free to download, with in-app purchases available.

### Which has better reviews, Piping Abacus or Piping Engineering Toolbox?

Piping Abacus is rated higher. Piping Abacus averages 3.9 out of 5 from 9 ratings, while Piping Engineering Toolbox averages 3.7 from 9 ratings.

### Do Piping Abacus or Piping Engineering Toolbox have ads?

Neither Piping Abacus nor Piping Engineering Toolbox shows ads.

### Which is updated more often, Piping Abacus or Piping Engineering Toolbox?

Piping Abacus ships an update every 4 weeks, and Piping Engineering Toolbox every 3 months. Most recently, Piping Abacus was updated on September 24, 2026 and Piping Engineering Toolbox on August 26, 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.*