# I&C Tech Tools — Process Control Calculators

> Instrumentation and control calculation tools for technicians and engineers. (iPhone/iPad app by LONNIE DALE RAWLS.)

- Source: https://appshunter.io/ios/app/i-and-c-tech-tools/id6756155332 (this page in markdown: same URL + `.md`)
- Developer: [LONNIE DALE RAWLS](https://appshunter.io/developer/1858762647)
- Category: Utilities, Reference
- Price: Free with in-app purchases
- Rating: 1.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 15.1 · 43 MB
- Languages: English
- Released: 2026-01-28
- Data updated: 2026-06-30
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/i-and-c-tech-tools/id6756155332/reviews.md

## What is I&C Tech Tools?

Instrumentation and control calculation tools for technicians and engineers. Some tools require an in-app purchase.

I&C Tech Tool provides practical instrumentation and control calculation tools designed for field technicians, engineers, and students

You can use selected tools for free. Advanced calculators and professional tools are available with a one-time in-app purchase.

Features include:
• Basic instrumentation calculations
• Free access to selected tools
• Advanced calculators available with in-app purchase
• Practical reference tools for field use
• Ongoing improvements and updates

Some features require an in-app purchase. Free tools are available to preview before purchasing full access.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://sites.google.com/view/ictechtool/home

## Key features

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

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

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



## Frequently asked questions about I&C Tech Tools

### What is I&C Tech Tools?

I&C Tech Tools provides practical instrumentation and control calculation tools designed for field technicians, engineers, and students. It offers basic calculations for free and advanced tools via purchase.

### Is I&C Tech Tools free to use?

Selected tools within I&C Tech Tools are available for free. Advanced calculators and professional tools require a one-time in-app purchase or a subscription for full access.

### What are the subscription options for I&C Tech Tools?

I&C Tech Tools offers a Monthly Access subscription for $4.99 per month and a Yearly subscription for $49.99 per year.

### Does I&C Tech Tools have ads?

No, I&C Tech Tools does not contain advertisements. The app is free to download and use with optional in-app purchases for advanced features.

### What devices is I&C Tech Tools compatible with?

I&C Tech Tools is currently supported on iPhone and iPod devices. It is designed for mobile use in the field.

### How often is I&C Tech Tools updated?

The latest version of I&C Tech Tools is 1.0.5, last updated on May 5, 2026. The description mentions ongoing improvements and updates.

### What is the age rating for I&C Tech Tools?

I&C Tech Tools has an age rating of 4+, making it suitable for a wide range of users including students and professionals.

### Can I preview tools before purchasing in I&C Tech Tools?

Yes, free tools are available to preview within I&C Tech Tools. This allows users to test functionality before committing to a purchase of full access.

## Version history (last 4 releases)

### 1.0.5 — 2026-05-05

Updated paywall messaging for clarity and improved user experience. Minor UI improvements and stability fixes.

### 1.0.3 — 2026-02-03

Updated the share button URL so it correctly links to the live app store listing.

### 1.0.2 — 2026-01-30

Updated App Store screenshots to better reflect current features and tools.

### 1.0 — 2026-01-29

No release notes.

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## More apps by LONNIE DALE RAWLS

- [Why They Tip](https://appshunter.io/ios/app/why-they-tip/id6757937637)

All apps by LONNIE DALE RAWLS: https://appshunter.io/developer/1858762647

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-30.*