# PipeChecker vs Pipe Sizer

The clearest difference is price: PipeChecker at Free against Pipe Sizer's $2.99. Pipe Sizer's advantage is in-app purchases (none vs 2) and update cadence (every 5 days vs every 10 months). On ads, device support and iOS requirement there is nothing between them.

PipeChecker is free to download; Pipe Sizer costs $2.99 up front. PipeChecker sells 2 in-app purchases, starting at $0.99 per month. Pipe Sizer asks for nothing beyond the download.

PipeChecker ships an update every 10 months, Pipe Sizer every 5 days. The most recent releases landed on November 7, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | PipeChecker | Pipe Sizer |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 5 days** |
| Size | 5 MB | 29 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Luke Pilkington](https://appshunter.io/developer/1515186312) | [ezyHVAC Co., Ltd.](https://appshunter.io/developer/6825391229) |

## What reviewers say

### PipeChecker

[App page](https://appshunter.io/ios/app/pipechecker/id1660307712)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $0.99 | per month |
| Pro Annual | $9.99 | per year |


### Pipe Sizer

[App page](https://appshunter.io/ios/app/pipe-sizer-pipe-sizing-chart/id6825391227)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PipeChecker free?

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

### Is Pipe Sizer free?

Pipe Sizer costs $2.99, with no in-app purchases.

### Do PipeChecker or Pipe Sizer have ads?

Neither PipeChecker nor Pipe Sizer shows ads.

### Which is updated more often, PipeChecker or Pipe Sizer?

PipeChecker ships an update every 10 months, and Pipe Sizer every 5 days. Most recently, PipeChecker was updated on November 7, 2026 and Pipe Sizer on November 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*