# CalcTri V1 vs Pipe Offset Calc

The clearest difference is in-app purchases: CalcTri V1 at none against Pipe Offset Calc's 1. Pipe Offset Calc's advantage is ads (none vs shown) and update cadence (every 5 days vs every 5 weeks). On price and device support there is nothing between them.

Both are free to download. Pipe Offset Calc sells 1 one-off in-app purchase. CalcTri V1 asks for nothing beyond the download.

CalcTri V1 ships an update every 5 weeks, Pipe Offset Calc every 5 days. The most recent releases landed on October 11, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | CalcTri V1 | Pipe Offset Calc |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 40 MB | 22 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TOGUCHI, CO., LTD.](https://appshunter.io/developer/668415384) | [Aliaksei Shuliakouski](https://appshunter.io/developer/6795032775) |

## What reviewers say

### CalcTri V1

[App page](https://appshunter.io/ios/app/calctri-v1/id1606476734)

This utility app offers a calculator, right triangle calculations, and pipe centering. It mimics desktop calculator operation and allows copying from history. Supports angle input in degrees and minutes for precise calculations.

**Highlights:** Basic calculator function, Right triangle calculations, Pipe centering calculations, Angle input in degrees and minutes, Copy calculation history

**Features:** 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 CalcTri V1 free?

CalcTri V1 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 CalcTri V1 or Pipe Offset Calc have ads?

CalcTri V1 shows ads; Pipe Offset Calc does not.

### Which is updated more often, CalcTri V1 or Pipe Offset Calc?

CalcTri V1 ships an update every 5 weeks, and Pipe Offset Calc every 5 days. Most recently, CalcTri V1 was updated on October 11, 2026 and Pipe Offset Calc on September 30, 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.*