# UTCal vs PipeSizer

The clearest difference is in-app purchases: PipeSizer at none against UTCal's 1. PipeSizer also leads on iOS requirement (15.1 vs 17.6). UTCal's advantage is update cadence (fortnightly vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. UTCal sells 1 one-off in-app purchase. PipeSizer asks for nothing beyond the download.

UTCal ships an update fortnightly, PipeSizer every 5 weeks. The most recent releases landed on September 15, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | UTCal | PipeSizer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Size | 3 MB | 53 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tomas Ramirez](https://appshunter.io/developer/1894095882) | [Mario Cerda](https://appshunter.io/developer/6772352482) |

## What reviewers say

### UTCal

[App page](https://appshunter.io/ios/app/utcal/id6762418371)

**Features:** Family Sharing, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UTCal Pro | $14.99 | one-time |


### PipeSizer

[App page](https://appshunter.io/ios/app/pipesizer-diameter-selector/id6781534043)

**In-app purchases:** none


## Frequently asked questions

### Is UTCal free?

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

### Is PipeSizer free?

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

### Do UTCal or PipeSizer have ads?

Neither UTCal nor PipeSizer shows ads.

### Which is updated more often, UTCal or PipeSizer?

UTCal ships an update fortnightly, and PipeSizer every 5 weeks. Most recently, UTCal was updated on September 15, 2026 and PipeSizer on September 14, 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.*