# LumioCalc vs Constructive Calculator

The clearest difference is in-app purchases: Constructive Calculator at none against LumioCalc's 1. Constructive Calculator also leads on update cadence (every 8 days vs every 2 months) and iOS requirement (16.0 vs 18.0). LumioCalc's advantage is device support (3 vs 1). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. LumioCalc sells 1 one-off in-app purchase. Constructive Calculator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for LumioCalc against 5.0 for Constructive Calculator. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

LumioCalc ships an update every 2 months, Constructive Calculator every 8 days. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | LumioCalc | Constructive Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/lumiocalc-math-calculator/id6759477183/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/constructive-calculator/id6778157421/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 27 MB | 1 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nathan Booth](https://appshunter.io/developer/1878878289) | [Dmitriy Mayorov](https://appshunter.io/developer/6778157423) |

## What reviewers say

### LumioCalc

[App page](https://appshunter.io/ios/app/lumiocalc-math-calculator/id6759477183)

A fast and customizable scientific calculator for iPhone and iPad. It offers advanced functions, a scrollable history, and premium themes for a personalized user experience. Ideal for students, engineers, and everyday calculations.

**Highlights:** Scientific calculator functions, Degree/radian modes, Full expression support, Scrollable calculation history, Premium themes and custom styling, Standard and scientific layouts

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro | $4.99 | one-time |


### Constructive Calculator

[App page](https://appshunter.io/ios/app/constructive-calculator/id6778157421)

This calculator performs calculations with arbitrary precision, avoiding rounding errors common in standard calculators. It provides an extensive scientific keypad and can display an unlimited number of digits for exact results.

**Highlights:** Arbitrary-precision calculations, Unlimited digit display, Scientific keypad, Exact results for large numbers, Running tape of calculations, Locale-aware digit grouping

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LumioCalc free?

LumioCalc is free to download, with in-app purchases available.

### Is Constructive Calculator free?

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

### Which has better reviews, LumioCalc or Constructive Calculator?

LumioCalc and Constructive Calculator are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do LumioCalc or Constructive Calculator have ads?

Neither LumioCalc nor Constructive Calculator shows ads.

### Which is updated more often, LumioCalc or Constructive Calculator?

LumioCalc ships an update every 2 months, and Constructive Calculator every 8 days. Most recently, LumioCalc was updated on October 12, 2026 and Constructive Calculator on October 5, 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.*