# Calculator Plug — 450+ pro calculators - one app

> Comprehensive suite of 450+ specialized calculators for various professional and personal needs. (iPhone/iPad app by Mark Gabrielli.)

- Source: https://appshunter.io/ios/app/calculator-plug/id6775307587 (this page in markdown: same URL + `.md`)
- Developer: [Mark Gabrielli](https://appshunter.io/developer/6775036752)
- Category: Utilities, Finance
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 15.1 · 34 MB
- Languages: American English
- Released: 2026-06-05
- Data updated: 2026-07-28
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/calculator-plug/id6775307587/reviews.md

## What is Calculator Plug?

Calculator Plug puts 450+ real-world calculators in one fast, clean app - built for people who need a real answer, not a search engine full of pop-ups.

CATEGORIES
- Construction and home: concrete, drywall, flooring, roofing, framing, square footage
- Finance and money: mortgage, loan, refinance, compound interest, ROI, retirement
- Health and fitness: BMI, calories, macros, body fat, heart rate, pace
- Math and science: algebra, geometry, statistics, chemistry, physics
- Trades: electrical, plumbing, HVAC, welding, structural engineering
- Trading and investing: position size, pip value, cost basis, capital gains
- Conversions, automotive, business, date and time, and more
- Field pack: local weather, tides, sunrise/sunset and moon times

FEATURES
- 450+ calculators, searchable in a tap
- Works offline (except live weather and tides)
- Pro unlocks every calculator; Pro+ adds the professional suite
- Clean dark interface, no clutter

Free to use with a core set. Pro and Pro+ unlock the full library.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Key features

- 450+ searchable calculators
- Offline functionality
- Clean dark interface
- Construction calculators
- Finance calculators
- Health and fitness calculators
- Trades calculators

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Pro Monthly | $5.99 | per month |
| Pro+ Monthly | $9.99 | per month |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Pro+ Lifetime | $44.99 | one-time |
| Pro Lifetime | $29.99 | one-time |



## Frequently asked questions about Calculator Plug

### What is Calculator Plug?

Calculator Plug is a utility app that provides over 450 specialized calculators for various categories like construction, finance, health, and trades. It aims to offer quick and accurate calculations without intrusive ads.

### Does Calculator Plug work offline?

Yes, Calculator Plug works offline for most of its calculators. The only exceptions are features that require live data, such as local weather and tides.

### What are the subscription options for Calculator Plug?

Calculator Plug offers 'Pro Monthly' for $5.99 per month, which unlocks every calculator. 'Pro+ Monthly' is available for $9.99 per month and includes the professional suite of calculators.

### Is Calculator Plug suitable for professionals?

Yes, Calculator Plug is designed for people who need real answers. It includes calculators for construction, finance, trades, and engineering, making it a valuable tool for professionals in these fields.

### What is the age rating for Calculator Plug?

Calculator Plug has an age rating of 4+, making it suitable for a wide range of users. The app is available on iPhone, iPad, and iPod.

### How often is Calculator Plug updated?

Calculator Plug was last updated on June 10, 2026, with version 1.0.1. The app was initially released on June 5, 2026.

### Does Calculator Plug have ads?

No, Calculator Plug does not contain advertisements. The app is free to use with a core set of calculators, with optional purchases to unlock the full library.

### What kind of calculators are included in Calculator Plug?

Calculator Plug includes over 450 calculators covering categories such as construction (concrete, framing), finance (mortgage, ROI), health (BMI, macros), math and science (algebra, physics), and trades (electrical, plumbing).

## Version history (last 2 releases)

### 1.0.1 — 2026-06-10

New look plus more trade calculators and a refreshed Field pack. Thanks for using Calculator Plug.

### 1.0 — 2026-06-05

No release notes.

## More apps by Mark Gabrielli

- [Prompterly](https://appshunter.io/ios/app/prompterly/id6775036750)
- [Wordfall - Word Cascade](https://appshunter.io/ios/app/wordfall-word-cascade/id6775304597)
- [The M Pass](https://appshunter.io/ios/app/the-m-pass/id6775804867)
- [Ring Stop Game](https://appshunter.io/ios/app/ring-stop-game/id6775805157)
- [WETYR Film Intel](https://appshunter.io/ios/app/wetyr-film-intel/id6777761802)

All apps by Mark Gabrielli: https://appshunter.io/developer/6775036752

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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 2026-07-28.*