# Izoler Pro vs Arc Calculator Pro

The clearest difference is price: Arc Calculator Pro at $3.99 against Izoler Pro's $33.99. Izoler Pro's advantage is update cadence (every 5 weeks vs every 41 months) and iOS requirement (8.0 vs 16.1). On ads, in-app purchases and device support there is nothing between them.

Izoler Pro costs $33.99 and Arc Calculator Pro $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Izoler Pro ships an update every 5 weeks, Arc Calculator Pro every 41 months. The most recent releases landed on September 16, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Izoler Pro | Arc Calculator Pro |
| --- | --- | --- |
| Price | $33.99 | **$3.99** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 41 months |
| Monetization | — | Paid |
| Size | 24 MB | 2 MB |
| Requires iOS | **8.0** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Rafal Grobelny](https://appshunter.io/developer/1023229430) | [Imran Pinjara](https://appshunter.io/developer/1484488781) |

## What reviewers say

### Izoler Pro

[App page](https://appshunter.io/ios/app/izoler-pro/id1023485776)

**Features:** Vision Pro support

**In-app purchases:** none


### Arc Calculator Pro

[App page](https://appshunter.io/ios/app/arc-calculator-pro/id1491369908)

This utility app provides precise calculations for various arc measurements, including length, angle, radius, and area. It supports both millimeters and inches, making it ideal for fabrication and engineering tasks. The app is designed for high performance and offline use.

**Highlights:** Arc Length Calculation, Arc Angle Calculation, Arc Radius Calculation, Arc Segment Area Calculation, Arc Sector Area Calculation, Supports mm and inches, Offline functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is Izoler Pro free?

Izoler Pro costs $33.99, with no in-app purchases.

### Is Arc Calculator Pro free?

Arc Calculator Pro costs $3.99, with no in-app purchases.

### Do Izoler Pro or Arc Calculator Pro have ads?

Neither Izoler Pro nor Arc Calculator Pro shows ads.

### Which is updated more often, Izoler Pro or Arc Calculator Pro?

Izoler Pro ships an update every 5 weeks, and Arc Calculator Pro every 41 months. Most recently, Izoler Pro was updated on September 16, 2026 and Arc Calculator Pro on October 1, 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.*