# FST TechTool vs Polycorp Material Calculator

The clearest difference is update cadence: FST TechTool at every 2 months against Polycorp Material Calculator's every 10 months. FST TechTool also leads on iOS requirement (7.0 vs 12.3). On price, ads, 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.

FST TechTool ships an update every 2 months, Polycorp Material Calculator every 10 months. The most recent releases landed on October 5, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | FST TechTool | Polycorp Material Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/fst-techtool/id994415240/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 10 months |
| Monetization | Free | — |
| Size | 87 MB | 22 MB |
| Requires iOS | **7.0** | 12.3 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Fluid Service Technologies](https://appshunter.io/developer/994415239) | [Avanaire Design, LLC](https://appshunter.io/developer/409628132) |

## What reviewers say

### FST TechTool

[App page](https://appshunter.io/ios/app/fst-techtool/id994415240)

This app helps machine shops and manufacturing facilities monitor and maintain fluids. It allows technicians to record fluid maintenance data, track inventory, and generate reports for managers. Optimize machining processes and enhance fluid performance from anywhere.

**Highlights:** Monitor pH and refractometer readings, Track coolant and oil usage, Manage waste, recycling, and inventory, Generate data reports, Barcode scanning for machines, Electronic work orders

**Features:** macOS Compatibility

**In-app purchases:** none


### Polycorp Material Calculator

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

**In-app purchases:** none


## Frequently asked questions

### Is FST TechTool free?

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

### Is Polycorp Material Calculator free?

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

### Do FST TechTool or Polycorp Material Calculator have ads?

Neither FST TechTool nor Polycorp Material Calculator shows ads.

### Which is updated more often, FST TechTool or Polycorp Material Calculator?

FST TechTool ships an update every 2 months, and Polycorp Material Calculator every 10 months. Most recently, FST TechTool was updated on October 5, 2026 and Polycorp Material Calculator on October 1, 2026.

---

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