# Polycorp Material Calculator vs Salix Reservations

Polycorp Material Calculator and Salix Reservations are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Polycorp Material Calculator ships an update every 10 months, Salix Reservations every 16 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Polycorp Material Calculator | Salix Reservations |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/salix-reservations/id6448377925/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 16 months |
| Monetization | — | Free |
| Size | 22 MB | 6 MB |
| Requires iOS | **12.3** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Avanaire Design, LLC](https://appshunter.io/developer/409628132) | [Salix Software Solutions, LLC](https://appshunter.io/developer/1684517263) |

## What reviewers say

### Polycorp Material Calculator

[App page](https://appshunter.io/ios/app/polycorp-material-calculator/id1027626460)

**In-app purchases:** none


### Salix Reservations

[App page](https://appshunter.io/ios/app/salix-reservations/id6448377925)

Manage court bookings and club activities effortlessly. This app allows users to find clubs, make reservations 24/7, sign up family members for events, and handle payments. It also includes club communication tools and a club wall for updates and finding other players.

**Highlights:** 24/7 court reservations, Family event sign-ups, Centralized booking management, Club communication tools, Seamless payment processing, Club wall for updates and player finding

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Polycorp Material Calculator free?

Polycorp Material Calculator is free to download, with no in-app purchases.

### Is Salix Reservations free?

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

### Do Polycorp Material Calculator or Salix Reservations have ads?

Neither Polycorp Material Calculator nor Salix Reservations shows ads.

### Which is updated more often, Polycorp Material Calculator or Salix Reservations?

Polycorp Material Calculator ships an update every 10 months, and Salix Reservations every 16 months. Most recently, Polycorp Material Calculator was updated on November 1, 2026 and Salix Reservations on November 3, 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.*