# CalculatorRe vs Instacalc.com

The clearest difference is update cadence: CalculatorRe at every 4 days against Instacalc.com's every 2 weeks. Instacalc.com's advantage is iOS requirement (16.4 vs 27.0). On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for CalculatorRe against 5.0 for Instacalc.com. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

CalculatorRe ships an update every 4 days, Instacalc.com every 2 weeks. The most recent releases landed on October 17, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | CalculatorRe | Instacalc.com |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/calculatorre/id6446059337/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/instacalccom/id6502033125/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | Free | Free |
| Size | 1 MB | 3 MB |
| Requires iOS | 27.0 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [睿 洪](https://appshunter.io/developer/1515008332) | [Kalid Azad](https://appshunter.io/developer/602976316) |

## What reviewers say

### CalculatorRe

[App page](https://appshunter.io/ios/app/calculatorre/id6446059337)

Enhance your iPhone's calculator experience with a clean interface and powerful functions. Perform polynomial calculations and access common mathematical operations with quick results.

**Highlights:** Simple and precise UI, Polynomial calculation, Common mathematical functions, Quick result display, Ad-free experience

**Features:** macOS Compatibility

**In-app purchases:** none


### Instacalc.com

[App page](https://appshunter.io/ios/app/instacalccom/id6502033125)

This app bridges the gap between simple calculators and complex spreadsheets. It allows for natural language input, variables, and advanced functions, making calculations quick and easy to check. Share your calculations via a permalink.

**Highlights:** Natural language calculations, Variable and row support, Excel-style functions, Unit and currency conversions, Scientific and programming commands, Shareable calculation permalinks

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CalculatorRe free?

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

### Is Instacalc.com free?

Instacalc.com is free to download, with no in-app purchases.

### Which has better reviews, CalculatorRe or Instacalc.com?

CalculatorRe and Instacalc.com are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.

### Do CalculatorRe or Instacalc.com have ads?

Neither CalculatorRe nor Instacalc.com shows ads.

### Which is updated more often, CalculatorRe or Instacalc.com?

CalculatorRe ships an update every 4 days, and Instacalc.com every 2 weeks. Most recently, CalculatorRe was updated on October 17, 2026 and Instacalc.com on October 20, 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.*