# Compound Offset Calculator vs Fraction Calculator Plus #1

The clearest difference is review sentiment: Fraction Calculator Plus #1 at 95% against Compound Offset Calculator's 33%. Fraction Calculator Plus #1 also leads on price (Free vs $1.99) and rating (4.9 vs 2.7). Compound Offset Calculator's advantage is in-app purchases (none vs 9) and ads (none vs shown). On update cadence and device support there is nothing between them.

Fraction Calculator Plus #1 is free to download; Compound Offset Calculator costs $1.99 up front. Fraction Calculator Plus #1 sells 9 in-app purchases, starting at $1.39 per month. Compound Offset Calculator asks for nothing beyond the download.

Fraction Calculator Plus #1 holds the better App Store score, 4.9 against 2.7. That said, the two scores are not equally well evidenced: Fraction Calculator Plus #1 has 22K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 33% of Compound Offset Calculator's written reviews are positive against 95% of Fraction Calculator Plus #1's.

Compound Offset Calculator ships an update every 3 weeks, Fraction Calculator Plus #1 every 5 weeks. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Compound Offset Calculator | Fraction Calculator Plus #1 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [2.7 (3 ratings)](https://appshunter.io/ios/app/compound-offset-calculator/id554440222/reviews) | **[4.9 (22K ratings)](https://appshunter.io/ios/app/fraction-calculator-plus-1/id580778301/reviews)** |
| Number of ratings | 3 | **22K** |
| Positive reviews | 33.3% of reviews | **94.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#143** | — |
| Size | 20 MB | 148 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [LMF.Services](https://appshunter.io/developer/493762237) | [DigitAlchemy LLC](https://appshunter.io/developer/376971628) |

## What reviewers say

### Compound Offset Calculator

[App page](https://appshunter.io/ios/app/compound-offset-calculator/id554440222)

**Currently charting:** #143 Top Paid · Productivity (US App Store)

This app calculates complex pipe offsets, offering 36 isometric combinations. It provides accurate angles, true cut lengths, and dimensions for custom fittings, supporting both metric and imperial units. Designed for pipefitters to improve workplace efficiency.

**Highlights:** Calculates complex pipe offsets, 36 isometric combinations, Accurate offset angles, True cut length of pipe, Custom fitting dimensions, Metric and imperial charts

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

**In-app purchases:** none


### Fraction Calculator Plus #1

[App page](https://appshunter.io/ios/app/fraction-calculator-plus-1/id580778301)

Easily perform fraction calculations including addition, subtraction, multiplication, and division. Convert fractions to decimals and vice versa with a clear, user-friendly interface. Ideal for students, cooks, and DIYers needing quick and accurate fraction management.

**Highlights:** Add, subtract, multiply, and divide fractions, Convert fractions to decimals, Automatically simplifies fractions, Large display and buttons for easy use, Triple keyboard display for quick input, Displays results as decimals

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fraction Calculator | $1.39 | per month |
| Fraction Calculator | $1.99 | per month |
| Photo Calculator for Fractions | $1.99 | per 7 days |
| Fraction Calculator by Photo | $3.99 | per month |
| Calculator with Fractions | $8.39 | per year |
| Calculator with Fractions | $11.99 | per year |
| Remove ads | $3.99 | one-time |
| Fraction Calculator | $17.49 | one-time |
| Fraction Calculator | $24.99 | one-time |

**What reviewers like**

- 👍 Simple, easy to use
- 👍 Super app
- 👍 Awesome calculator
- 👍 Intuitive design
- 👍 Easy to use and does everything needed

**What reviewers complain about**

- 🐛 Intrusive ads
- 🐛 Subscription required for pro features

**Reported bugs**

- Pro version forgets subscription status
- Occasional crashes

**Requested features**

- Decimal conversion and support
- Rounding options
- Triangle math functionality


## Frequently asked questions

### Is Compound Offset Calculator free?

Compound Offset Calculator costs $1.99, with no in-app purchases.

### Is Fraction Calculator Plus #1 free?

Fraction Calculator Plus #1 is free to download, with in-app purchases available.

### Which has better reviews, Compound Offset Calculator or Fraction Calculator Plus #1?

Fraction Calculator Plus #1 is rated higher. Compound Offset Calculator averages 2.7 out of 5 from 3 ratings, while Fraction Calculator Plus #1 averages 4.9 from 22K ratings.

### Do Compound Offset Calculator or Fraction Calculator Plus #1 have ads?

Fraction Calculator Plus #1 shows ads; Compound Offset Calculator does not.

### Which is updated more often, Compound Offset Calculator or Fraction Calculator Plus #1?

Compound Offset Calculator ships an update every 3 weeks, and Fraction Calculator Plus #1 every 5 weeks. Most recently, Compound Offset Calculator was updated on October 26, 2026 and Fraction Calculator Plus #1 on October 28, 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.*