# Flowbox vs Pipe Offset Calc

The clearest difference is update cadence: Pipe Offset Calc at every 5 days against Flowbox's every 2 months. Flowbox's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Flowbox sells 1 one-off in-app purchase and Pipe Offset Calc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Flowbox ships an update every 2 months, Pipe Offset Calc every 5 days. The most recent releases landed on November 6, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Flowbox | Pipe Offset Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 25 MB | 22 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GABRIELE CHESI](https://appshunter.io/developer/6793043905) | [Aliaksei Shuliakouski](https://appshunter.io/developer/6795032775) |

## What reviewers say

### Flowbox

[App page](https://appshunter.io/ios/app/flowbox-plumber-toolkit/id6801521180)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flowbox Pro Unlock | $8.99 | one-time |


### 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 Flowbox free?

Flowbox is free to download, with in-app purchases available.

### Is Pipe Offset Calc free?

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

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

Neither Flowbox nor Pipe Offset Calc shows ads.

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

Flowbox ships an update every 2 months, and Pipe Offset Calc every 5 days. Most recently, Flowbox was updated on November 6, 2026 and Pipe Offset Calc on November 10, 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.*