# IoTシステム A･ISys vs Komaca

The clearest difference is ads: IoTシステム A･ISys at none against Komaca's shown. IoTシステム A･ISys also leads on iOS requirement (15.6 vs 17.0). Komaca's advantage is update cadence (monthly vs every 7 months). 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.

IoTシステム A･ISys ships an update every 7 months, Komaca monthly. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | IoTシステム A･ISys | Komaca |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.7 (3 ratings)](https://appshunter.io/ios/app/komaca/id1631579868/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | — | Ad-supported |
| Size | 53 MB | 114 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ACTN K.K.](https://appshunter.io/developer/1519939443) | [Chia Inc.](https://appshunter.io/developer/1466749194) |

## What reviewers say

### IoTシステム A･ISys

[App page](https://appshunter.io/ios/app/iot-aisys/id1615943586)

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

**In-app purchases:** none


### Komaca

[App page](https://appshunter.io/ios/app/komaca/id1631579868)

Easily create professional, mobile-friendly websites for your business, store, or hobby group without any technical expertise. Focus on your vision while the app handles the complex website building process for you.

**Highlights:** Free website creation, Mobile-friendly design, Desktop compatibility, No technical expertise needed, Focus on creative vision

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is IoTシステム A･ISys free?

IoTシステム A･ISys is free to download, with no in-app purchases.

### Is Komaca free?

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

### Do IoTシステム A･ISys or Komaca have ads?

Komaca shows ads; IoTシステム A･ISys does not.

### Which is updated more often, IoTシステム A･ISys or Komaca?

IoTシステム A･ISys ships an update every 7 months, and Komaca monthly. Most recently, IoTシステム A･ISys was updated on November 3, 2026 and Komaca on November 7, 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.*