# I&C Tech Tools vs Control System Calc

The clearest difference is in-app purchases: Control System Calc at none against I&C Tech Tools's 2. I&C Tech Tools's advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. I&C Tech Tools sells 2 in-app purchases, starting at $4.99 per month. Control System Calc asks for nothing beyond the download.

## The numbers

| Metric | I&C Tech Tools | Control System Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/i-and-c-tech-tools/id6756155332/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 43 MB | 6 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [LONNIE DALE RAWLS](https://appshunter.io/developer/1858762647) | [洋 刘](https://appshunter.io/developer/6775317751) |

## What reviewers say

### I&C Tech Tools

[App page](https://appshunter.io/ios/app/i-and-c-tech-tools/id6756155332)

This app offers essential calculation tools for instrumentation and control technicians and engineers. It provides free access to basic tools, with advanced calculators available through a one-time in-app purchase or subscription.

**Highlights:** Basic instrumentation calculations, Free access to selected tools, Advanced calculators via in-app purchase, Practical reference tools, Ongoing improvements and updates

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| I&C Tech Tools - Monthly Access | $4.99 | per month |
| I&C Tech Tools - Yearly | $49.99 | per year |


### Control System Calc

[App page](https://appshunter.io/ios/app/control-system-calc/id6791956580)

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

**In-app purchases:** none


## Frequently asked questions

### Is I&C Tech Tools free?

I&C Tech Tools is free to download, with in-app purchases available.

### Is Control System Calc free?

Control System Calc is free to download, with no in-app purchases.

### Do I&C Tech Tools or Control System Calc have ads?

Neither I&C Tech Tools nor Control System Calc shows ads.

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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.*