# THERble vs PipeChecker

The clearest difference is price: THERble at Free against PipeChecker's $7.99. THERble also leads on iOS requirement (12.0 vs 15.0). PipeChecker's advantage is update cadence (every 4 months vs every 16 months). On ads, in-app purchases and device support there is nothing between them.

THERble is free to download; PipeChecker costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

THERble ships an update every 16 months, PipeChecker every 4 months. The most recent releases landed on December 12, 2025 and September 21, 2026 respectively.

## The numbers

| Metric | THERble | PipeChecker |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 4 months** |
| Monetization | — | Paid |
| Size | 46 MB | 27 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [SHIN NIPPON AIR TECHNOLOGIES CO.,LTD.](https://appshunter.io/developer/1526286874) | [AIR DESIGN, INC.](https://appshunter.io/developer/923430781) |

## What reviewers say

### THERble

[App page](https://appshunter.io/ios/app/therble/id1630881111)

**Features:** macOS Compatibility

**In-app purchases:** none


### PipeChecker

[App page](https://appshunter.io/ios/app/pipechecker/id1632174229)

This tool assists HVAC, sanitary, and plant piping engineers in selecting optimal pressure piping sizes with simple operations. It streamlines the design process for piping equipment technicians.

**Highlights:** Optimal pressure pipe sizing, Simplified operation, For piping equipment technicians, Supports HVAC, sanitary, and plant systems

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

**In-app purchases:** none


## Frequently asked questions

### Is THERble free?

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

### Is PipeChecker free?

PipeChecker costs $7.99, with no in-app purchases.

### Do THERble or PipeChecker have ads?

Neither THERble nor PipeChecker shows ads.

### Which is updated more often, THERble or PipeChecker?

THERble ships an update every 16 months, and PipeChecker every 4 months. Most recently, THERble was updated on December 12, 2025 and PipeChecker on September 21, 2026.

---

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