# Patio Calculator Plus vs SentriX

The clearest difference is ads: SentriX at none against Patio Calculator Plus's shown. SentriX also leads on update cadence (every 5 weeks vs every 11 months). Patio Calculator Plus's advantage is iOS requirement (12.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Patio Calculator Plus ships an update every 11 months, SentriX every 5 weeks. The most recent releases landed on October 21, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Patio Calculator Plus | SentriX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (238 ratings)](https://appshunter.io/ios/app/patio-calculator-plus/id1506952327/reviews)** | — |
| Number of ratings | **238** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 11 months | **Every 5 weeks** |
| Monetization | Ad-supported | — |
| Size | 33 MB | 31 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Calc Hub, LLC](https://appshunter.io/developer/1494386814) | [Crime Stoppers International Inc](https://appshunter.io/developer/1728371439) |

## What reviewers say

### Patio Calculator Plus

[App page](https://appshunter.io/ios/app/patio-calculator-plus/id1506952327)

Estimate materials for various patio projects like concrete, pavers, or gravel. Input dimensions in multiple units and receive results in US customary or metric measurements. This tool helps you accurately calculate the quantities needed for your landscaping endeavors.

**Highlights:** Concrete slab calculator, Paver calculator, Paver base calculator, Polymeric sand calculator, Sand and gravel calculator, Area calculator, Volume calculator

**Features:** macOS Compatibility

**In-app purchases:** none


### SentriX

[App page](https://appshunter.io/ios/app/sentrix/id6476953273)

**In-app purchases:** none


## Frequently asked questions

### Is Patio Calculator Plus free?

Patio Calculator Plus is free to download, with no in-app purchases.

### Is SentriX free?

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

### Do Patio Calculator Plus or SentriX have ads?

Patio Calculator Plus shows ads; SentriX does not.

### Which is updated more often, Patio Calculator Plus or SentriX?

Patio Calculator Plus ships an update every 11 months, and SentriX every 5 weeks. Most recently, Patio Calculator Plus was updated on October 21, 2026 and SentriX on October 4, 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.*