# Iscar World vs SumiTool Calculator

The clearest difference is rating: Iscar World at 4.8 against SumiTool Calculator's 1.0. Iscar World also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 8 months). SumiTool Calculator's advantage is iOS requirement (10.0 vs 14.0). On price, 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.

Iscar World holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: Iscar World has 105 ratings behind it against 1, so its average is the more settled of the two.

Iscar World ships an update every 3 weeks, SumiTool Calculator every 8 months. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Iscar World | SumiTool Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (105 ratings)](https://appshunter.io/ios/app/iscar-world/id1308293147/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/sumitool-calculator/id1473928608/reviews) |
| Number of ratings | **105** | 1 |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 8 months |
| Monetization | **Free** | Ad-supported |
| Size | 3 MB | 51 MB |
| Requires iOS | 14.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [IMC Group](https://appshunter.io/developer/693578764) | [SUMITOMO ELECTRIC INDUSTRIES,LTD.](https://appshunter.io/developer/1102241900) |

## What reviewers say

### Iscar World

[App page](https://appshunter.io/ios/app/iscar-world/id1308293147)

Access all ISCAR's online tools, product catalogs, and interfaces in one unified virtual space. This application serves as a central hub for comprehensive business information.

**Highlights:** Unified access to online apps, Integrated product catalogs, Centralized interface hub, Comprehensive business information

**Features:** macOS Compatibility

**In-app purchases:** none


### SumiTool Calculator

[App page](https://appshunter.io/ios/app/sumitool-calculator/id1473928608)

This app simplifies complex machining calculations for turning, milling, and drilling. Users select an operation, input figures, and receive automatic results. It allows saving calculations for logs and comparing two results simultaneously.

**Highlights:** Automatic calculation for turning, milling, drilling, Customizable item display order, Save calculation results, Log viewing, Side-by-side result comparison

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Iscar World free?

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

### Is SumiTool Calculator free?

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

### Which has better reviews, Iscar World or SumiTool Calculator?

Iscar World is rated higher. Iscar World averages 4.8 out of 5 from 105 ratings, while SumiTool Calculator averages 1.0 from 1 ratings.

### Do Iscar World or SumiTool Calculator have ads?

SumiTool Calculator shows ads; Iscar World does not.

### Which is updated more often, Iscar World or SumiTool Calculator?

Iscar World ships an update every 3 weeks, and SumiTool Calculator every 8 months. Most recently, Iscar World was updated on October 4, 2026 and SumiTool Calculator on October 6, 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.*