# Budova Calc vs Constructive Calculator

The clearest difference is update cadence: Constructive Calculator at every 8 days against Budova Calc's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Budova Calc ships an update every 2 months, Constructive Calculator every 8 days. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Budova Calc | Constructive Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/constructive-calculator/id6778157421/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | — | Free |
| Size | 91 MB | 1 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Roman Kukla](https://appshunter.io/developer/6772616692) | [Dmitriy Mayorov](https://appshunter.io/developer/6778157423) |

## What reviewers say

### Budova Calc

[App page](https://appshunter.io/ios/app/budova-calc/id6772616690)

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

**In-app purchases:** none


### 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 Budova Calc free?

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

### Is Constructive Calculator free?

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

### Do Budova Calc or Constructive Calculator have ads?

Neither Budova Calc nor Constructive Calculator shows ads.

### Which is updated more often, Budova Calc or Constructive Calculator?

Budova Calc ships an update every 2 months, and Constructive Calculator every 8 days. Most recently, Budova Calc was updated on October 4, 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.*