# Narrus vs Constructive Calculator

The clearest difference is update cadence: Constructive Calculator at every 8 days against Narrus's monthly. Constructive Calculator also leads on iOS requirement (16.0 vs 26.0). 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.

Narrus ships an update monthly, Constructive Calculator every 8 days. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Narrus | 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 | Monthly | **Every 8 days** |
| Monetization | — | Free |
| Size | 290 MB | 1 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [AtomGradient](https://appshunter.io/developer/1725768404) | [Dmitriy Mayorov](https://appshunter.io/developer/6778157423) |

## What reviewers say

### Narrus

[App page](https://appshunter.io/ios/app/narrus-new-ai-reader/id6753145556)

**Features:** macOS Compatibility

**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 Narrus free?

Narrus 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 Narrus or Constructive Calculator have ads?

Neither Narrus nor Constructive Calculator shows ads.

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

Narrus ships an update monthly, and Constructive Calculator every 8 days. Most recently, Narrus was updated on October 9, 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.*