# TechniCalc Calculator vs Plus42

The clearest difference is in-app purchases: Plus42 at none against TechniCalc Calculator's 4. Plus42 also leads on update cadence (weekly vs monthly) and rating (4.9 vs 4.7). TechniCalc Calculator's advantage is price ($7.99 vs $9.99). On ratings volume, ads and device support there is nothing between them.

TechniCalc Calculator costs $7.99 and Plus42 $9.99 up front. TechniCalc Calculator sells 4 one-off in-app purchases. Plus42 asks for nothing beyond the download.

Plus42 holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 81 and 79 respectively. Written reviews point the same way: 84% of TechniCalc Calculator's written reviews are positive against 92% of Plus42's.

TechniCalc Calculator ships an update monthly, Plus42 weekly. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | TechniCalc Calculator | Plus42 |
| --- | --- | --- |
| Price | **$7.99** | $9.99 |
| Rating | [4.7 (81 ratings)](https://appshunter.io/ios/app/technicalc-calculator/id1504965415/reviews) | **[4.9 (79 ratings)](https://appshunter.io/ios/app/plus42/id1597963622/reviews)** |
| Number of ratings | **81** | 79 |
| Positive reviews | 84.2% of reviews | **92.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | — | **#180** |
| Size | 31 MB | 11 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jacob Parker](https://appshunter.io/developer/1153284524) | [Thomas Okken](https://appshunter.io/developer/337692632) |

## What reviewers say

### TechniCalc Calculator

[App page](https://appshunter.io/ios/app/technicalc-calculator/id1504965415)

This app offers a modern, intuitive interface for complex calculations, supporting scientific, engineering, and advanced mathematical functions. It allows natural equation entry, provides a formula book, and includes unit and currency converters. Available across Apple devices, it caters to students and professionals needing a powerful calculation tool.

**Highlights:** Natural equation entry, Advanced math engine, Formula book and equations, Unit and currency converter, Statistics mode, Equation solvers, Supports multiple Apple devices

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Every Little Helps | $0.99 | one-time |
| Coffee-Sized Tip | $2.99 | one-time |
| Lunch-Sized Tip | $4.99 | one-time |
| Pizza-Sized Tip | $9.99 | one-time |


### Plus42

[App page](https://appshunter.io/ios/app/plus42/id1597963622)

**Currently charting:** #180 Top Paid · Utilities (US App Store)

This advanced scientific calculator simulates the classic HP-42S RPN calculator with enhanced features. It offers algebraic expressions, unit conversions, directories for storage, a larger resizable display, financial functions, and 2D plotting with integral and root finding.

**Highlights:** HP-42S RPN calculator simulation, Algebraic expressions, Attached units and conversions, Program and variable directories, Resizable 8-row, 22-column display, Time value of money and amortization, 2D function plotting with zoom and pan

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TechniCalc Calculator free?

TechniCalc Calculator costs $7.99, and also offers in-app purchases.

### Is Plus42 free?

Plus42 costs $9.99, with no in-app purchases.

### Which has better reviews, TechniCalc Calculator or Plus42?

Plus42 is rated higher. TechniCalc Calculator averages 4.7 out of 5 from 81 ratings, while Plus42 averages 4.9 from 79 ratings.

### Do TechniCalc Calculator or Plus42 have ads?

Neither TechniCalc Calculator nor Plus42 shows ads.

### Which is updated more often, TechniCalc Calculator or Plus42?

TechniCalc Calculator ships an update monthly, and Plus42 weekly. Most recently, TechniCalc Calculator was updated on September 23, 2026 and Plus42 on September 22, 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.*