# NACHI Tool Solutions vs SumiTool App

The clearest difference is update cadence: SumiTool App at every 2 months against NACHI Tool Solutions's every 52 months. NACHI Tool Solutions's advantage is iOS requirement (11 vs 16.1.1). On price, ads, 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.

NACHI Tool Solutions ships an update every 52 months, SumiTool App every 2 months. The most recent releases landed on September 11, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | NACHI Tool Solutions | SumiTool App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 52 months | **Every 2 months** |
| Size | 1 MB | 27 MB |
| Requires iOS | **11** | 16.1.1 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NACHI-FUJIKOSHI CORP.](https://appshunter.io/developer/890827917) | [SUMITOMO ELECTRIC INDUSTRIES,LTD.](https://appshunter.io/developer/1102241900) |

## What reviewers say

### NACHI Tool Solutions

[App page](https://appshunter.io/ios/app/nachi-tool-solutions/id890827914)

**Features:** macOS Compatibility

**In-app purchases:** none


### SumiTool App

[App page](https://appshunter.io/ios/app/sumitool-app/id6753666666)

**In-app purchases:** none


## Frequently asked questions

### Is NACHI Tool Solutions free?

NACHI Tool Solutions is free to download, with no in-app purchases.

### Is SumiTool App free?

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

### Do NACHI Tool Solutions or SumiTool App have ads?

Neither NACHI Tool Solutions nor SumiTool App shows ads.

### Which is updated more often, NACHI Tool Solutions or SumiTool App?

NACHI Tool Solutions ships an update every 52 months, and SumiTool App every 2 months. Most recently, NACHI Tool Solutions was updated on September 11, 2026 and SumiTool App on September 15, 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.*