# explainEN287 vs Offset Calc App

The clearest difference is price: explainEN287 at Free against Offset Calc App's $6.99. Offset Calc App's advantage is update cadence (every 2 weeks vs every 20 months) and iOS requirement (10.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

explainEN287 is free to download; Offset Calc App costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

explainEN287 ships an update every 20 months, Offset Calc App every 2 weeks. The most recent releases landed on August 22, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | explainEN287 | Offset Calc App |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 2 weeks** |
| Monetization | — | Paid |
| Size | 1 MB | 94 MB |
| Requires iOS | 15.6 | **10.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Georg Rose](https://appshunter.io/developer/521567472) | [Steffen Weber](https://appshunter.io/developer/1456703068) |

## What reviewers say

### explainEN287

[App page](https://appshunter.io/ios/app/explainen287/id656646286)

**Features:** macOS Compatibility

**In-app purchases:** none


### Offset Calc App

[App page](https://appshunter.io/ios/app/offset-calc-app/id1456703069)

This app assists in industrial piping and heating construction by calculating pipe sections and material weights. It offers numerous calculation types and detailed results, saving time and resources on the job site.

**Highlights:** Pipe section calculations, Material weight calculations, Support for various pipe sizes and fittings, Multiple calculation types and angles, Detailed results including lengths and weights, Calculation history

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

**In-app purchases:** none


## Frequently asked questions

### Is explainEN287 free?

explainEN287 is free to download, with no in-app purchases.

### Is Offset Calc App free?

Offset Calc App costs $6.99, with no in-app purchases.

### Do explainEN287 or Offset Calc App have ads?

Neither explainEN287 nor Offset Calc App shows ads.

### Which is updated more often, explainEN287 or Offset Calc App?

explainEN287 ships an update every 20 months, and Offset Calc App every 2 weeks. Most recently, explainEN287 was updated on August 22, 2026 and Offset Calc App on September 21, 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.*