# Blue Calculator+ vs Instacalc.com

The clearest difference is ratings volume: Instacalc.com at 4 against Blue Calculator+'s 1. Blue Calculator+'s advantage is device support (4 vs 2) and iOS requirement (10.0 vs 16.4). On price, rating, review sentiment and update cadence 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 Blue Calculator+ against 5.0 for Instacalc.com. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Blue Calculator+ ships an update every 10 days, Instacalc.com every 2 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Blue Calculator+ | Instacalc.com |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/blue-calculator-plus/id1276052969/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/instacalccom/id6502033125/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | Free | Free |
| Size | 26 MB | 3 MB |
| Requires iOS | **10.0** | 16.4 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bryan Stone](https://appshunter.io/developer/1276052968) | [Kalid Azad](https://appshunter.io/developer/602976316) |

## What reviewers say

### Blue Calculator+

[App page](https://appshunter.io/ios/app/blue-calculator-plus/id1276052969)

A straightforward and lightweight calculator app offering essential functions like random number generation, exponents, roots, and logarithms. It also serves as a companion for Apple Watch users, providing convenient access to calculations on their wrist.

**Highlights:** Random number generator, Exponentials and exponents, Squares, cubes, and square roots, Logarithmic functions, Apple Watch companion app

**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 Blue Calculator+ free?

Blue Calculator+ 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, Blue Calculator+ or Instacalc.com?

Blue Calculator+ and Instacalc.com are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do Blue Calculator+ or Instacalc.com have ads?

Neither Blue Calculator+ nor Instacalc.com shows ads.

### Which is updated more often, Blue Calculator+ or Instacalc.com?

Blue Calculator+ ships an update every 10 days, and Instacalc.com every 2 weeks. Most recently, Blue Calculator+ was updated on November 3, 2026 and Instacalc.com on November 4, 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.*