# Pipe Calc vs Pipe Offset Calc

The clearest difference is in-app purchases: Pipe Calc at none against Pipe Offset Calc's 1. Pipe Calc also leads on iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Pipe Offset Calc sells 1 one-off in-app purchase. Pipe Calc asks for nothing beyond the download.

Pipe Calc ships an update every 3 days, Pipe Offset Calc every 5 days. The most recent releases landed on September 8, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Pipe Calc | Pipe Offset Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 days |
| Size | 30 MB | 22 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gun woo Kim](https://appshunter.io/developer/1700263119) | [Aliaksei Shuliakouski](https://appshunter.io/developer/6795032775) |

## What reviewers say

### Pipe Calc

[App page](https://appshunter.io/ios/app/pipe-calc-pipefitter-offsets/id6786981763)

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

**In-app purchases:** none


### Pipe Offset Calc

[App page](https://appshunter.io/ios/app/pipe-offset-calc-spoolset/id6805885264)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock everything | $12.99 | one-time |


## Frequently asked questions

### Is Pipe Calc free?

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

### Is Pipe Offset Calc free?

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

### Do Pipe Calc or Pipe Offset Calc have ads?

Neither Pipe Calc nor Pipe Offset Calc shows ads.

### Which is updated more often, Pipe Calc or Pipe Offset Calc?

Pipe Calc ships an update every 3 days, and Pipe Offset Calc every 5 days. Most recently, Pipe Calc was updated on September 8, 2026 and Pipe Offset Calc on September 12, 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.*