# Time vs PipeChecker

The clearest difference is review sentiment: Time at 100% against PipeChecker's 0%. Time also leads on price ($1.99 vs $7.99) and iOS requirement (13.0 vs 15.0). PipeChecker's advantage is update cadence (every 4 months vs every 14 months). On ads, in-app purchases, monetization model and device support there is nothing between them.

Time costs $1.99 and PipeChecker $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Time ships an update every 14 months, PipeChecker every 4 months. Both last shipped on September 21, 2026.

## The numbers

| Metric | Time | PipeChecker |
| --- | --- | --- |
| Price | **$1.99** | $7.99 |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/time-calculator-plus-plus-p/id1622109293/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 4 months** |
| Monetization | Paid | Paid |
| Size | 64 MB | 27 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YUTAKA KENJO](https://appshunter.io/developer/1070080613) | [AIR DESIGN, INC.](https://appshunter.io/developer/923430781) |

## What reviewers say

### Time

[App page](https://appshunter.io/ios/app/time-calculator-plus-plus-p/id1622109293)

Calculate time durations with hours and minutes. Supports addition, subtraction, multiplication, and division, with features like calculation history, memory keys, and customizable preset buttons for quick time additions. Choose from various color themes.

**Highlights:** Calculate hours and minutes, Add, subtract, multiply, divide time, Calculation history saved, Memory keys for subtotals, Preset keys for one-touch time addition, Customizable color themes

**Features:** Vision Pro support

**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 Time free?

Time costs $1.99, with no in-app purchases.

### Is PipeChecker free?

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

### Do Time or PipeChecker have ads?

Neither Time nor PipeChecker shows ads.

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

Time ships an update every 14 months, and PipeChecker every 4 months. Most recently, Time was updated on September 21, 2026 and PipeChecker on September 21, 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.*