# Seco Assistant vs SumiTool Calculator

The clearest difference is rating: Seco Assistant at 4.6 against SumiTool Calculator's 1.0. Seco Assistant also leads on ads (none vs shown) and ratings volume (161 vs 1). SumiTool Calculator's advantage is device support (3 vs 1) and iOS requirement (10.0 vs 16.6). On price and in-app purchases there is nothing between them.

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

Seco Assistant holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Seco Assistant has 161 ratings behind it against 1, so its average is the more settled of the two.

Seco Assistant ships an update every 2 months, SumiTool Calculator every 8 months. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Seco Assistant | SumiTool Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (161 ratings)](https://appshunter.io/ios/app/seco-assistant/id1051294824/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/sumitool-calculator/id1473928608/reviews) |
| Number of ratings | **161** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | **Free** | Ad-supported |
| Size | 52 MB | 51 MB |
| Requires iOS | 16.6 | **10.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Seco Tools](https://appshunter.io/developer/553801203) | [SUMITOMO ELECTRIC INDUSTRIES,LTD.](https://appshunter.io/developer/1102241900) |

## What reviewers say

### Seco Assistant

[App page](https://appshunter.io/ios/app/seco-assistant/id1051294824)

This app simplifies machining tasks by providing quick access to essential data and tools. It offers fast cutting data calculations, product information retrieval via scanning or search, and offline access to features. Users can also synchronize and share their favorite products.

**Highlights:** Fast cutting data calculation, Barcode/QR code scanning for product info, Text search for products, Offline access to product information, Synchronize and share favorite products

**Features:** Vision Pro support

**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 Seco Assistant free?

Seco Assistant 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, Seco Assistant or SumiTool Calculator?

Seco Assistant is rated higher. Seco Assistant averages 4.6 out of 5 from 161 ratings, while SumiTool Calculator averages 1.0 from 1 ratings.

### Do Seco Assistant or SumiTool Calculator have ads?

SumiTool Calculator shows ads; Seco Assistant does not.

### Which is updated more often, Seco Assistant or SumiTool Calculator?

Seco Assistant ships an update every 2 months, and SumiTool Calculator every 8 months. Most recently, Seco Assistant was updated on October 2, 2026 and SumiTool Calculator on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*