# iCalc vs ARC

The clearest difference is in-app purchases: ARC at none against iCalc's 6. iCalc's advantage is iOS requirement (16.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. iCalc sells 6 in-app purchases, starting at $0.99 per month. ARC asks for nothing beyond the download.

iCalc ships an update every 3 weeks, ARC every 10 days. The most recent releases landed on November 11, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | iCalc | ARC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/icalc-scientific-calculator/id6739855052/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 53 MB | 0 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jake Elrod](https://appshunter.io/developer/365336355) | [Blackbelt Labs](https://appshunter.io/developer/1372610100) |

## What reviewers say

### iCalc

[App page](https://appshunter.io/ios/app/icalc-scientific-calculator/id6739855052)

This advanced calculator app offers a wide range of scientific and graphing functions, unit and currency conversions, and a fraction calculator. It features a robust history and customizable themes, making complex calculations easier for students and professionals.

**Highlights:** Advanced scientific and graphing calculators, Robust calculation history, Unit and currency conversion, Fraction calculator, Customizable themes, Powerful widgets

**Features:** macOS Compatibility, Apple Watch app, iMessage stickers, Vision Pro support, iPhone Duo support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus | $0.99 | per month |
| iCalc Plus | $2.99 | per month |
| Plus | $4.99 | per year |
| iCalc Plus | $9.99 | per year |
| Plus | $0.99 | one-time |
| iCalc Plus | $19.99 | one-time |


### ARC

[App page](https://appshunter.io/ios/app/arc-agi/id6748441637)

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

**In-app purchases:** none


## Frequently asked questions

### Is iCalc free?

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

### Is ARC free?

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

### Do iCalc or ARC have ads?

Neither iCalc nor ARC shows ads.

### Which is updated more often, iCalc or ARC?

iCalc ships an update every 3 weeks, and ARC every 10 days. Most recently, iCalc was updated on November 11, 2026 and ARC on October 30, 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.*